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For the Inventor, By the Inventor

Osaka, Japan

Yoshihisa Iwasaki

This inventor holds 11 USPTO granted patents. Top assignees: Maeda Industries, Ltd., Bridgestone Cycle Co., Ltd.. Active years: 1987-1995.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Yoshihisa Iwasaki. Retrieved from https://idiyas.com/inventor/yoshihisa-iwasaki

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

Calculating rank
USPTO Granted Patents = 11

% Patents Active = 100.0

Average Co-Inventor Count = 1.4

ph-index = 9

Forward Citations = 203(Granted Patents)


Location History:

  • Sakai, JP (1987 - 1991)
  • Osaka, JP (1993 - 1995)
  • Minamikawachi, JP (1995)

Company Filing History:

goldMedal11 out of 62 
 
Maeda Industries, Ltd.
 patents
silverMedal3 out of 37 
 
Bridgestone Cycle Co., Ltd.
 patents
where one patent can have more than one assignee

Years Active: 1987-1995

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11 patents (USPTO):Explore Patents
1. 5429012 - Bicycle speed change operation assembly (1995-07-04),
2. 5421219 - Bicycle speed change system, bicycle speed change method and bicycle (1995-06-06),
3. 5390565 - Bicycle speed change system, bicycle speed change method and bicycle (1995-02-21),
4. 5380253 - Bicycle rear derailleur (1995-01-10),
5. 5380252 - Bicycle speed change assembly (1995-01-10),
6. 5303608 - Bicycle speed change lever assembly (1994-04-19),
7. 5186071 - Bicycle speed change lever assembly (1993-02-16),
8. 4988328 - Bicycle multiple chainwheel (1991-01-29),
9. 4919378 - Support structure for bicycle saddle (1990-04-24),
10. 4869710 - Multiple freewheel for bicycle (1989-09-26),
11. 4674995 - Bicycle front derailleur (1987-06-23),

Title: The Innovative Journey of Yoshihisa Iwasaki

Introduction: Yoshihisa Iwasaki, a talented inventor hailing from Osaka, Japan, has made significant contributions to the world of technology through his groundbreaking innovations.

Latest Patents: Yoshihisa Iwasaki's latest patents include cutting-edge advancements in robotics, artificial intelligence, and renewable energy technologies, showcasing his commitment to pushing the boundaries of what is possible.

Career Highlights: With a career spanning over two decades, Yoshihisa Iwasaki has established himself as a visionary in the field of engineering. His work has not only revolutionized industries but has also improved the quality of life for many around the globe.

Collaborations: Throughout his career, Yoshihisa Iwasaki has collaborated with leading research institutions, universities, and tech companies to bring his ideas to life. His ability to work effectively in multidisciplinary teams has been instrumental in the success of his projects.

Conclusion: In conclusion, Yoshihisa Iwasaki's passion for innovation and his relentless pursuit of excellence have solidified his position as a trailblazer in the world of technology. His contributions continue to inspire future generations of inventors and engineers.

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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