This inventor holds 8 USPTO granted patents, plus 1 CIPO patent. Top assignees: Honda Motor Co., Ltd., Honda Giken Kogyo Kabushiki Kaisha. Active years: 2002-2019.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile
Location History:
- Saitama, JP (2002 - 2011)
- Wako, JP (2005 - 2019)
Company Filing History:
6 out of 22,006 
2 out of 10,092 
Years Active: 2002-2019
Title: Koichi Tsutsumi: Innovator in Internal Combustion Engine Technology
Introduction
Koichi Tsutsumi is a notable inventor based in Wako, Japan, recognized for his contributions to the field of internal combustion engines. With a total of eight patents to his name, Tsutsumi has made significant advancements that enhance engine performance and durability.
Latest Patents
One of Tsutsumi's latest patents focuses on an internal combustion engine that includes a driving-sprocket cam chain guide. This guide is designed to extend beyond the winding termination point of the cam chain on the driving sprocket, positioning itself adjacent to the chain moving surface of a cam chain tensioner. This innovative design provides a cam-chain dropout preventing function, which reduces the load on the cam chain tensioner and improves the durability of the tensioner lifter. Another significant patent involves a rotational force transmission member mounting structure. This invention relates to a method for securely mounting a rotational force transmission member, such as a chain sprocket or gear, onto a rotating shaft. The design incorporates a coned disc spring and a washer, which are supported and sandwiched by a screw fastening member, ensuring a firm attachment.
Career Highlights
Throughout his career, Koichi Tsutsumi has worked with prominent companies in the automotive industry, including Honda Motor Co., Ltd. and Honda Giken Kogyo Kabushiki Kaisha. His experience in these organizations has allowed him to develop and refine his innovative ideas in engine technology.
Collaborations
Tsutsumi has collaborated with notable colleagues, including Hidetoshi Takamatsu and Ryuichi Abe. Their combined expertise has contributed to the successful development of various patents and innovations in the field.
Conclusion
Koichi Tsutsumi's work in internal combustion engine technology showcases his dedication to innovation and improvement in automotive engineering. His patents reflect a commitment to enhancing engine performance and durability, making him a significant figure in the industry.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile