logo

For the Inventor, By the Inventor

Higashimatsuyama, Japan

Riichirou Sugimoto

This inventor holds 6 USPTO granted patents. Top assignees: Jidosha Kiki Co., Ltd., Bosch Braking Systems Co. Ltd.. Active years: 1990-2002.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Riichirou Sugimoto. Retrieved from https://idiyas.com/inventor/riichirou-sugimoto

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

Calculating rank
USPTO Granted Patents = 6

% Patents Active = 100.0

Average Co-Inventor Count = 1.7

ph-index = 4

Forward Citations = 27(Granted Patents)


Company Filing History:

goldMedal5 out of 376 
 
Jidosha Kiki Co., Ltd.
 patents
silverMedal1 out of 38 
 
Bosch Braking Systems Co. Ltd.
 patents

Years Active: 1990-2002

Loading Chart...
6 patents (USPTO):Explore Patents
1. 6438955 - Master cylinder (2002-08-27),
2. 6141963 - Master cylinder (2000-11-07),
3. 5560206 - Master cylinder with return spring (1996-10-01),
4. 5251446 - Master cylinder with annular spacer (1993-10-12),
5. 5063743 - Master cylinder with parts assembled for easy removal (1991-11-12),
6. 4932312 - Master cylinder piston valve (1990-06-12),

Title: The Innovative Contributions of Riichirou Sugimoto

Introduction

Riichirou Sugimoto is a notable inventor based in Higashimatsuyama, Japan. He has made significant contributions to the field of engineering, particularly in the development of master cylinders. With a total of 6 patents to his name, Sugimoto's work has had a considerable impact on hydraulic systems.

Latest Patents

One of Sugimoto's latest patents focuses on a master cylinder designed to enhance the functionality of throttle valve mechanisms. The invention aims to maintain a compact size while simplifying the structure and reducing the number of parts. The throttle valve mechanisms feature a floating valve body that regulates the flow of hydraulic fluid from the pressure generating chambers to the reservoir. This innovative design allows for efficient operation when the pistons are engaged and ensures that the valve opens when they are not. Another patent addresses the rapid supply of working fluid in a master cylinder, which improves air bleeding during manufacturing and enhances performance during traction control operations. This design includes a first supply passage and a second supply passage with a check valve, allowing for optimal fluid flow management.

Career Highlights

Throughout his career, Sugimoto has worked with reputable companies such as Jidosha Kiki Co., Ltd. and Bosch Braking Systems Co., Ltd. His experience in these organizations has contributed to his expertise in hydraulic systems and automotive technology.

Collaborations

Sugimoto has collaborated with talented individuals in his field, including Kohei Mori and Shusaku Chiba. These partnerships have likely fostered innovation and the exchange of ideas, further enhancing his contributions to engineering.

Conclusion

Riichirou Sugimoto's inventive spirit and dedication to improving hydraulic systems have led to significant advancements in the industry. His patents reflect a commitment to innovation and efficiency, making him a noteworthy figure in the realm of engineering.

Profile summary based on public USPTO records.
Data Sources: USPTO Patent Grant XML, Patent Center, EPO & CIPO • Normalized by IDiyas Innovation Graph. Methodology & provenance architecturePlease report any incorrect information to [email protected]
Loading…