7 Solutions to extend the application of TRIZ- Including the prevention of design risk -September 6, 2013
Takashi Ogata, Kazuhiro Fujikawa
ECM Promotion Department
Monozukuri Solution DivisionOlympus Corporation

Presentation of Today

2

1. About Olympus
2. Promotion of scientific methods in Olympus
3. Reaction of the developers for scientific methods
4. Aim of providing 7 solutions
5. Possibility of expansion in 7 solutions
6. 3 Key Elements of connecting the solutions and methods
7. 7 Solutions (Introduction)
8. Summary2

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No data copy / No data transfer permitted1. About Olympus
Medical
Medicalsystems
systems

3

Established : October 12, 1919
Head office : Shinjuku-ku, Tokyo, Japan
Capital : ¥73,332 million (As of March 31, 2013)
Consolidated net sales : ¥743,851 million (Fiscal Year Ended March 2013)
Consolidated headcount : 39,937 (As of March 31, 2013)

Small intestinal
capsule endoscope

Deflectable tipof 3D laparoscope
Next-generation gastrointestinalendoscopy system
EVIS LUCERA ELITE

Imaging
Imagingsystems
systems

PEN E-P5

Life
Lifesciencescience&&Industrial
Industrialsystems
systems

New laser scanning microscopes「FV1200」Omni Scan phased array systems
The World's Only Vessel Sealing and Tissue
Cutting Device. Integrated with both Advanced
Bipolar and Ultrasonic Energy “THUNDERBEAT”
3

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XZ-10

2. Promotion of scientific methods in Olympus

4

Providing a solution, dependingon the purpose and period of the theme

2012 ～2010

2009

Solution for
Fuzzy Frontend

QFD
QFD

QFD
QFD

Short time

Short time

TMTM

Functionality
assessment

Limited purpose

Fast Cause Analysis

Problem setting typeLong time

TRIZ
TRIZ

Long time

Original QFD

Short timeParameter design

Making Strong Patent

TRIZTRIZ

Only
Creation of Idea

One loop TRIZ

TMTMLong time

Setting Theme

Some loops or PAT TRIZ

Cost Reduction※One method to use
in some cases

Evaluation & Experiment
Risk Prevention

Typical Use ofMethods4

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Using various types of methods according to the problem
90 min Basic Training, applied to the theme

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Providing optimal solutions
to the problem

3. Reaction of the engineers for scientific methods 5◆Engineers are busy, and have no time for their training.
⇒ They can not have the time for training. 90 minutes training is their limit .

◆ We can not grasp the engineer’s heart by the scientificmethods. They want the best approach for the purpose.
⇒ Engineers want to know what method is used for their problem.
Their aim is not to take advantage of the method, but to grow in efficiency.
Experienced engineers hope someone will tell them how to solve problems
immediately without learning the basics of the method.

◆Many engineers have an allergy to the scientific method.
⇒ Almost all manager class engineers have failed experiences by using QFD,TRIZ and TM in the past.

◆We can not resolve problems by only one method.
However, it is difficult for us to connect several methods.
⇒ Evangelists of the method say they can resolve any problem by only
one method. But they don’t shows us how to connect several methods.
5

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4. Aim of providing 7 solutions

6

Using various methods naturally while deploying 7 solutions
Engineers should have many “Drawers” for thesolution of problem.

Mr. A knows thescientific method.

Many “Drawers”
for the purpose

QQC7?
Statistical methods ?

FD》

Forcing to use themethod is not ourpurpose!

Mr. B relies on his knowledge
and experience of the past

Learning by practice in close contact
with the theme

IZTRTMNG
Evangelist of the method
is not required.

Training solutions and90 minutes Basic course
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Support engineers at
the seams of theme

Get the new“Drawer” !

5. Possibility of expansion in 7 solutions

7

Concept of connecting Methods and 7 Solutions is importantCore Method

TechnologyTechnology
Development
DevelopmentSearch
SearchFuzzy Frontend

QFD TRIZQFD Fish bone chart

ProductProductDesign
DesignPreparation
Preparation
forforproduction
production

Production
Production

Project example
Setting Theme

Fish bone chart TRIZ TM

Fast Cause Analysis

Making Strong Patent

QFD TRIZ
TRIZ TM
TRIZ TM DOE

QFD TRIZ TM

Cost Reduction
Evaluation & Experiment
Risk Prevention※ TRIZ includes Functional approach and Root cause analysis.
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6. 3 Key Elements of connection ( 1 )8【Element 1】 Limit the target area by Time and SpaceAny theme has constraints of man-hours and time limit.
How can I limit the target area efficiency ?

Against the Target area,
Do you cut out the area by Space ?

Do you cut out the area by Time ?

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6. 3 Key Elements of connection ( 2 )9The Fish Bone Chart for cutting out the target area by space and time
Subunit１

Space Approach

Subunit2
Factor

Factor

Factor

Factor

Factor

Factor
FactorUncontrollable factor

Factor
Factor
Factor

Process 1
Factor

Factor

Factor

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Factor

FactorProcess 2

The Time Fish bone chart
9Factor
Factor

Factor

FactorHandling Area

Controllable factor

The Space Fish bone chart

Factor& Desire
Factor

FactorSubunit3

Factor

Problem

Factor

Factor

FactorTime Approach

Factor

Factor

Factor

Factor

Factor

Factor

Problem
Process 3

Factor

Factor& Desire

Factor

FactorTime Flow
Handling Area

6. 3 Key Elements of connection ( 3 )10【Element 2】 Simplification by functional approach
The target system is complex.
How can I simplify the problem effectively ?

Against the Target problem,
Generalizing by Function

ＳCoreＯVThe Element S acts on (V) the Element O

Functional approach changes the mind
from "Why?“ to "For what", “For the Customer"
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6. 3 Key Elements of connection ( 4 )11Functional schematic can clarify the function
Functional schematic can analyze the function along the thinking of the engineer.
From the top of the systemI chase the function
step-by-step
Deployment from the main function (Projector)

S+V+O

Projector projects
the electronic dataon the screen.

Lens Unit focuses
the emitted light tothe screen.

Actuator moves
the lens in theaxial direction.

Purpose……MeansPurpose……MeansPurpose

Shutter switches
the light.

Light source
irradiates light tothe optical Unit.

Purpose……Means11 2013/8/13

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Purpose……Means6. 3 Key Elements of connection ( 5 )12【Element ３】 2 types of idea approaches by TRIZ to the purpose
Type of eradicating the problem
Why can’t I
supplysushi fast?

Root cause
analysis

I found thecause ofslow work

Can I cut the fish quickly
without remainder on
the kitchen knife?

Type of fulfilling the desire
Why can’t I
supply thesushi fast?

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Expression of desire

Brewery

Got it!

In Sushi Bar
New type ofKitchen Knife

You can solve the problem
concretely. However, therange of ideas is narrow

Belt-conveyor
Sushi bar

You can obtain a wide
innovative idea. However,
the idea lacks detail orspecifics.

7. 7 Solutions ( 1 ) Fuzzy Frontend ①13

Matching Needs and Seeds through the Function
I Iwant
wantyou
youtotolevel
levelupup○○○○moremore

Requirement
Requirementfor
foran
anaccelerated
acceleratedlevel
levelofofthe
thefunction
function

I Iwant
wantyou
youtotoadd
add△△△△more
more

Requirement
Requirementfor
forfunctions
functionswhich
whichthethecurrent
currentsystemsystemdoes
doesnot
nothavehave

I Iwant
wantyou
youtotoeliminate
eliminatethe
theproblem××
problem××

Reduction
Reductionrequest
requestofofthe
thesidesideeffects
effects
ofofthefunction
the function

Ｏ

Matching Needs and Seeds and actualizing them in Fuzzy Frontend
Vague Needs
Actualized Needs
Actualized Seeds
Vague Seeds
ＳＳＳ

VV ＯＯＳVＳＯVＳＳVＯＳVVArranging Seeds (technology) by the Function13 2013/8/13

No data copy / No data transfer permittedＯＯＳＳVVVＯＯＯ7. 7 Solutions ( 2 ) Fuzzy Frontend ②14

Visualizing the Fuzzy Frontend process by matching Needs and Seeds
Seeds

Planning the steps and methods①STARTNeeds

●
Step1

●
Step2

●Step3FINISH②Visualization Map of Fuzzy Front End① Seeds Push Type② Needs Pull TypeSTART

●
Step1

●
Step2

DateMethods

・・・
・・・・・・・・・

●
Step3

・・・
・・・

FINISH・・・・・・

Methods for Actualization of Needs① Concept mining QFD② Seeds-driven QFD＋Usability Evaluation, Market research etc.

Methods for Actualization of Seeds① TRIZ 9-Window representation② TRIZ Trend analysis of the evolution＋Patent search, Technical Tree etc.

*Reference: Toshiba Corporation Dr. Hitoshi Iwama“A Study of the Mechanism of Customer Value Creation Integrating Market Needs and Technical Seeds in Product Innovation”
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7. 7 Solutions ( 3 ) Setting Theme

15

Matching the vector of engineers while reducing Ambiguity of the theme
TheTheFish
FishBone
BoneChart
ChartPartPart11

QFD
QFDTheTheFishFishBone
BoneChart
ChartPart
Part22

Ambiguity
Big

MakingMakingsure
surecustomers
customersand
andthethepurpose
purposebybythethebird's-eye
bird's-eyeview
viewtotoset
setthethetarget
targetarea
area

Ambiguity

Extracting
Extractingthe
thepriority
priorityofoftechnicaltechnical
problems
problemsaccording
accordingtotocustomer's
customer'sneeds
needs

Medium

Ambiguity

Small

Setting
Settingthe
thetarget
targetarea
areaofofchallenges
challenges
totolevel
levelupupand
andplanningplanningofofsolution
solution★ Output of TRIZ is consistent with the expected results by clarifying the issues.
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7. 7 Solutions ( 4 ) Fast Cause Analysis ①

16

Combining idea approach and cause analysis for each purpose
Spatial approach

Time approach

Approach of Analysis

Space and Time
Study of the factors
in the system

DesireX

Study of the factors
in the process

Eradication

TRIZ Idea approach
Root Cause

Desire and Eradication
Smaller, Lighter, Lead time
reduction, Cost reduction, etc.
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Removal of the root cause

7. 7 Solutions ( 5 ) Fast Cause Analysis ②17

Cause analysis in accordance with the Functional schematic
Case Study: Reducing the noise of the cooling fan to 20 dB or lessWhy ?
Projector generates
more than 20 dB noise
during irradiation

Why ?
Because,Housing System canneither reduce the noise
nor insulate
Because,Light Source System
can not send lightefficiently to the opticalswitch

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Because,Housing Case has
many holes
Because,
Structural Parts convey
the vibration of thecooling fan to the housing
Because,Cooling Fan conveys thevibration by stirring the air

7. 7 Solutions ( 6 ) Making Strong Patent ①18

Destroying the traditional constraints by Functional expression of desire
Attention to only the Function and Achieved level

Projecting
the electronic data clearlyon the screen

Case study: Projector

Lens wants to converge
emitted light efficiently
on the screen

Actuator wants to move thelens at high speed
in the axial direction

Shutter wants to switch
the light efficiently

Light source wants toilluminate the light brightly
to the optical system

Purpose, Desire Destroy the conventional systems, and realize the different means.
TRIZ

Example of Effects(Goldfire*)＊Invention Machine Corporation
Innovation Support Software
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7. 7 Solutions ( 7 ) Making Strong Patent ②

19

Avoidance case by functional analysis of competitors' patent
Patent claim (Example）
撮像素子からレンズを通して得られる被検物の撮像を受像部に拡大表示する
拡大表示装置において、撮像素子とレンズとの間の光路中にビームスプリッタを配して光路を分岐させ、前記ビームスプリッタの一方の光路を撮像素子に、他方の光路に絞りを撮像素子と共役となるように配し、前記絞りに被検物を照Competitors' Patent Claims
明する照明光が入射されるように光源を配して成り、照明光は絞り，レンズを通って被検物に照射されれば、絞りの像が撮像素子の焦点位置と同位置に形成され、且つ照明範囲の大きさを撮像範囲と一致させるようにしたことを特徴とする拡大表示装置。

Functional Analysis of Patent Claims

Step1
Step1
Separate
Separatepatentpatentclaims
claimsinto
into
S+V+O,
S+V+O,and
andmake
makeFunctional
FunctionalModel
ModelbybyusingusingGoldfire*
Goldfire*
Step2
Step2
SearchSearchthe
thedisadvantages
disadvantagesofofthe
thedistinctive
distinctivefeaturesfeaturesby
byGoldfire*,
Goldfire*,andandgetgetmany
manyideas
ideasby
byTRIZTRIZ

For example,
a basic patent of anothercompany which consists of 48
claims is replaced by 4 patterns ofFunctional Model＊Invention Machine Corporation
Innovation Support Software

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7. 7 Solutions ( 8 ) Cost Reduction

20

Evaluating the cost of each function by the concept of VE
in the customer's point of view
TargetFunction（F)Super System*Basic

①

④

ction

Functional
Element

Functional
Element

Value: VF
V=C

③Fun

F gets lower withthe distance fromthe Basic functions① > ② or ③ > ④ or ⑤

¥100

Functional
Element②Trimming by TRIZ: Value V is low¥800

Functional
Element¥200

C: Cost of each functional element

No data copy / No data transfer permitted

Functional
Element¥500

Handling Area

20 2013/8/13⑤¥300
Priority Targetfor Trimming* Uncontrollable Factor

7. 7 Solutions ( 9 ) Evaluation & Experiment

21

Advantage of TRIZ to the interaction removal in experimental systems
OutputOutput PowerW

Noise, vibrationand heat generated TM

Case of TM used directly
Design Parameter
Basic
Parallelism of 2 axes
Function Clearance between the gears
The shape of the gears

WM

Input P

Input power
P

Greater interaction between the twoaxes parallelism and gear shape

Optimal design TM

Problem solving by TRIZTM

Get ideas to improve theparallelism of 2 axes
Output PowerWM
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Noise Temperature, LoadInputpowerP

Design Parameter
Clearance between the gears
The shape of the gears
Optimal design can bereliable by using limited
design parameters7. 7 Solutions ( 10 ) Risk Prevention ①22

Risk analysis by purpose
Type of
Human life priority

Type ofQuality priority

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Product Improvement

New products

Functional partto handle the largeenergyAnd
Design change part
Important Functionby the customer(Level up - Function)And
Design change part

Functional partto handle the large
energyAnd
Basic Function
Important Function
by the customer(Level up - Function)
And
Basic Function

No data copy / No data transfer permitted

7. 7 Solutions ( 11 ) Risk Prevention ②23

Failure mode prediction by TRIZ （Reverse Thinking Method)
Reverse Thinking Method (TRIZ AFD*)
For example, the way to see the security
system in the eyes of a thief
TRIZ AFD* Example
Using a Functional schematic for inhibiting
the original function in Reverse Thinking Method
Mean function deployment
to cause a failure
Stop the projectionof electronic data
to the screen

Purpose＊AFD （Anticipatory Failure Determination）
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Lens does notcondense the light on
the screen

Actuator does not
move the lens in theaxial direction

Purpose……Means

Means

Shutter does notswitch the light

The light source does
not irradiate light onto
the optical system

Purpose……Means

Means

8. Summary

24

Summary① In the promotion of scientific methods, the point of view of efficiency andtime for engineers is important.
And, providing solutions is effective for them to encourage the learningof scientific methods.
② For connecting smoothly between solutions and methods,
the concept of customer thinking and objective thinking is importantwith a focus on the function of the system.
③ In 7 solutions, the range of TRIZ application spreads by using Type offulfilling the desire and Type of eradicating the problem for each purpose.

Next challenge
In promoting the solution, it is a challenge how we systematically hand
our knowledge and know-how on to promoters in our company.
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Special Thanks25Thanks to Mr. Mamoru Zenko and Mr. Hajime Kasai of IDEA,INC.
They provided the chance of using scientific methods (QFD + TRIZ)
and support for our activities at OLYMPUS.

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Thank you for your attention