Value Creation Story

Business Overview

ESG Activities

Corporate Information

Quality and Product Safety
The KOITO Group declares in the KOITO Group Corporate Behavior Charter that “we will gain customersʼ satisfaction andtrust through developing and providing safe and high-quality products and services,” and identiﬁed “enhancement ofproduct quality” as one of our materiality. We strive to create products with a customer-ﬁrst attitude to maintain andfurther improve quality of all products and services we provide to our customers.
The KOITO Group is utilizing its Quality Management System (QMS) to maintain and supervise the quality level in all
kinds of departments, from development to production.
We will continue quality assurance activities to meet the situations in various countries or regions and will keep
contributing to materialize a sustainable society through maintenance and improvement of the product quality.

Quality Management Structure■Quality Management System

The KOITO Group
Customer-ﬁrst Production
KOITO
MANUFACTURING

The Board of Directors /Managing Committee
ReportDirection
Requests,
comments

Quality Assurance Department
Quality audit

Quality meeting

Prevention of recurrence

Quality monitoring

System reinforcement

Quality improvement activityProductionsites

Engineering
Headquarters

Overseas Subsidiaries

Procurement
Headquarters

ManagementDivisions

Customers

KOITO has established a quality management system
based on ISO 9001 and IATF 16949 which areinternational standards to ensure seamless operations.
Internal Quality Audits with the Quality AssuranceManager as the chair are conducted at least once a year
to make decisions on the quality management aspects
and to monitor the quality management status of theentire KOITO Group.
The progress of these activities is reported to theBoard of Directors and the Managing Committee byDirector or Corporate Ofﬁcer who are in charge ofQuality Assurance Department to reinforce themanagement system through monitoring by themanagement. KOITO is building a system to ﬁnd thecauses of any defects found and implement prevention
measures in case any defects are found through quality
tests and evaluations.

High-quality
products andservices

Domestic Subsidiaries

Acquisition of Quality Management System Certiﬁcates
The table on the right is a list of Group companies,
including overseas subsidiaries, that have acquired
ISO 9001 or IATF 16949.
All the subsidiaries and departments of KOITO willcontinue to carry out a thorough PDCA cycle, andensure product safety and quality throughenhancement of the quality management system.

■Environmental certiﬁcation acquired in the KOITO GroupISO 9001

IATF 16949

KOITO KYUSHU

North American Lighting (U.S.A.)

AoitecNorth American Lighting Mexico (Mexico)

Shizuokadenso

Koito Europe (U.K.)

Nissei Industries

Koito Czech (Czech Republic)

Fujieda Auto Lighting

GUANGZHOU KOITO (China)

Shizuoka Wire Harness

Hubei Koito (China)

KOITO ELECTRIC INDUSTRIESFUZHOU KOITO TAYIH (China)
THAI KOITO (Thailand)
INDONESIA KOITO (Indonesia)
Ta Yih Industrial (Taiwan)
INDIA JAPAN LIGHTING (India)

Efforts in Quality Improvement
KOITO provides job rank-based quality education for new employees,managers and supervisors. In addition, KOITO holds training session on SQC(Statistical Quality Control) for design and development engineers to improvetheir knowledge on quality management.
Furthermore, the QC circle activities and improvement presentation sessions(FQC Meeting, Staff QC Meeting and others) are being held periodically toimprove quality management activities.
KOITO will continue to enrich activities on training and education to furtherimprove quality management.

■ Staff QC Meeting (2019)

KOITO INTEGRATED REPORT 2022 49