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For the Inventor, By the Inventor

Tokyo, Japan

Koji Sasajima

This inventor holds 13 USPTO granted patents. Top assignee: Honda Giken Kogyo Kabushiki Kaisha. Active years: 1990-1992.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Koji Sasajima. Retrieved from https://idiyas.com/inventor/koji-sasajima

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

USPTO Granted Patents = 13

% Patents Active = 100.0

Average Co-Inventor Count = 2.7

ph-index = 7

Forward Citations = 147(Granted Patents)


Location History:

  • Saitama, JP (1991)
  • Tokyo, JP (1990 - 1992)

Company Filing History:

goldMedal13 out of 10,092 
 
Honda Giken Kogyo Kabushiki Kaisha
 patents

Years Active: 1990-1992

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13 patents (USPTO):Explore Patents
1. 5166877 - Method of speed reduction ratio control in continuously variable speed (1992-11-24),
2. 5014574 - Speed control apparatus for a continuously variable speed (1991-05-14),
3. 5002028 - Throttle control system for vehicular internal combustion engine (1991-03-26),
4. 5001900 - Method of controlling speed reduction ratio for continuously variable (1991-03-26),
5. 4976169 - Method of controlling speed reduction ratio for a continuously variable (1990-12-11),
6. 4967610 - Method of controlling speed reduction ratio for continuously variable (1990-11-06),
7. 4962679 - Method of controlling speed reduction ratio for a continuously variable (1990-10-16),
8. 4958492 - Method of controlling clutch operation for a vehicle and method of (1990-09-25),
9. 4956972 - Method of controlling speed reduction ratio for a continuously variable (1990-09-18),
10. 4951468 - Method of determining duty ratio used for operational control of a (1990-08-28),
11. 4941371 - Hydraulic continuously variable speed transmission with direct clutch (1990-07-17),
12. 4932208 - Hydraulic continuously variable speed transmission with direct clutch (1990-06-12),
13. 4913005 - Method of controlling speed reduction ratio for a continuously variable (1990-04-03),

Title: Inventor Spotlight: Koji Sasajima

Introduction

Koji Sasajima is an influential inventor based in Tokyo, Japan, renowned for his contributions to automotive technology. With an impressive portfolio comprising 13 patents, Sasajima's work focuses primarily on continuously variable speed transmissions, enhancing vehicle efficiency and performance.

Latest Patents

Among his latest patents are several innovative methods and apparatuses that advance the functionality of continuously variable speed transmissions. One notable patent, titled "Method of speed reduction ratio control in continuously variable speed," outlines a technique for controlling the speed reduction ratio using the change rate of speed reduction ratio as a key control value. Another significant patent, "Speed control apparatus for a continuously variable speed," presents a system that includes ratio control units designed to manage speed reduction ratios and a manual valve for selecting operational modes, such as a driving range or neutral.

Career Highlights

Sasajima currently works with Honda Giken Kogyo Kabushiki Kaisha, commonly known as Honda. His innovative designs and solutions have helped the company maintain its reputation for cutting-edge automotive technology.

Collaborations

During his career, Sasajima has collaborated with notable colleagues, including Kouji Yamaguchi and Yoshikazu Ishikawa. Together, they have developed groundbreaking technologies that continue to influence the automotive industry and enhance driving experiences.

Conclusion

Koji Sasajima’s work exemplifies the spirit of innovation within the automotive sector. His numerous patents reflect a commitment to improving vehicle technology and efficiency, marking him as a significant figure in the realm of inventors.

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]
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