JSSE holds Spring Lecture Meeting and General Meeting
June. 7, 2023
The Japan Society of Spring Engineers (JSSE) held its semiannual Lecture Meeting, including a postersession, and Annual General Meeting at Meiji University in Tokyo on June 7.
Lecture Meeting
Eight general lectures, one report on Committee
for Selecting Spring Technological Heritage and one
special topic lecture were presented to 100 attendees
in a hall on the Tokyo Surugadai Campus of the Meiji
University. The opening speech was presented by Mr.
Kei Watanabe, a Vice-Chairperson of JSSE and an
Operating Officer of Chuo Spring Co., Ltd.

7. Reduction of residual stress in aluminum alloys byultrasonic irradiation, by Mr. Yohei Yamaguchi ofAichi Institute of Technology.
8. Influence of Shot Peening Conditions on Harmless
Surface Defect size in Carburized Steel, by Mr.
Toshiya Tsuji of Sintokogio, Ltd.
Report on Committee for Selecting Spring
Technological Heritage, by Mr. Kazuyoshi Nonoof Chuo Spring Co., Ltd.

Mr. Kei Watanabe

Titles of General Lectures and Presenters
1. Ground Springs in Seismic Calculation ofCommunication Conduits, by Mr. Masaru
Okutsu of Nippon Telegraph and Telephone
Corporation.
2. Remanufacturing for Friction fatigued Carburized
Steel by Laser Hardening, by Mr. Tomohisa
Kanazawa of Hitachi Construction Machinery Co.,Ltd.
3. In Situ Creep Life Prediction for Weld Joint ofModified 9Cr-1Mo Steel, by Dr. Yuji Nakasone ofTokyo University of Science.
4. Breakthrough Analysis on Large Deformation ofZig-zag Spring Based on the Nonlinear
Deformation Theory, by Dr. Ohtsuki Atsumi ofMeijo University.
5. Overview of Railway Quality Management
System, by Mr. Naoki Aihara of Railway
Technical Research Institute.
6. Residual stress measurement of shot peened
suspension spring by X-ray cosα method, by Mr.
Tomohiro Yamazaki of Mitsubishi Steel MFG. Co.,Ltd.

Special Topic Lecture
Title: Regarding Carbon neutrality initiatives inHonda
Lecturer: Mr. Kenichi Kawasaki of Honda R&DCo.,Ltd. Material Research Center,
Regenerative Material Research Division

Mr. Kenichi Kawasaki

Poster Session
Six technical posters were displayed in the samehall. A brief explanation was given by arepresentative for each of the posters on thespeaker’s platform for the lecture meeting, followedby question-and-answer session at the posters. The1

top two posters were selected based on theparticipants’ voting.

JSSE and a Technical Director and Sales
Procurement Director of Horikiri Inc. During themeeting, five proposals, 2022 Annual Business
Report, 2022 Settlement of Balance Report, 2023
AnnualBusinessPlan,
2023
Budget,Recommendations of Honorary Members and Reelection of Officers were approved.

Mr. Genya Nakamura

General Meeting

Reception
A reception was held after the Annual General
Meeting in a hall in the same campus. Dr. Mitsuo
Notomi, a new Chairperson of JSSE just approvedby the general meeting and a Professor of Meiji
University, made the opening speech, followed by theguest speech by Mr. Akira Umetani, a Technical
Director of the Japan Spring Manufacturers
Association (JSMA.) and another guest speech by Mr.
Kouichi Tsuchiya, a Chairman of Association ofShape Memory Alloys (ASMA.)

Ms. Hiwa Hashimoto

The First Place Poster:Rotating bending fatigue strength of additive
manufactured maraging steel in very high cycle
fatigue regime, by Mr. Genya Nakamura of
Yokohama National University, et al.
Second Place Poster:
Fatigue Properties of TiNi Shape Memory Alloywith Passive Layer, by Ms. Hiwa Hashimoto ofAichi Institute of Technology, et al.

Dr. Mitsuo Notomi

Dr. Masao Hayakawa

Annual General Meeting
The annual general meeting was held after theclosing speech of the lecture meeting presented by Dr.
Masao Hayakawa, JSSE Chairperson and a
Chairman of the Researcher of National Institute forMaterials Science, in the same room. The meeting
was led by Mr. Yoshiharu Sugawara, a Director ofMr. Akira Umetani2Mr. Kouichi Tsuchiya

Dr. Katsuji Tosha, an Honorary Member of JSSE,
made a toast to the development of the springindustry and the participants’ health.

Dr. Katsuji Tosha

As time passed with active information exchangeand chatting, the reception was over with “IpponJime” which consists of just one clap, led by Mr. Toru
Shiraishi, a Director of JSSE and a Manager of NHK
Spring Co., Ltd.

Mr. Toru Shiraishi

3