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For the Inventor, By the Inventor

Kobe, Japan

Koichiro Fujisaki

This inventor holds 12 USPTO granted patents. Top assignee: Kanzaki Kokyukoki Mfg. Co., Ltd.. Active years: 1979-1995.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Koichiro Fujisaki. Retrieved from https://idiyas.com/inventor/koichiro-fujisaki

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

USPTO Granted Patents = 12

% Patents Active = 100.0

Average Co-Inventor Count = 2.8

ph-index = 10

Forward Citations = 412(Granted Patents)


Location History:

  • Nishinomiya, JP (1979)
  • Ashiya, JP (1986)
  • Kobe, JP (1987 - 1990)
  • Amagasaki, JP (1994 - 1995)

Company Filing History:

goldMedal12 out of 541 
 
Kanzaki Kokyukoki Mfg. Co., Ltd.
 patents

Years Active: 1979-1995

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12 patents (USPTO):Explore Patents
1. 5447028 - Axle driving apparatus (1995-09-05),
2. 5335496 - Axle driving apparatus (1994-08-09),
3. 4942780 - HST(hydrostatic transmission) housing axle driving apparatus (1990-07-24),
4. 4922787 - HST (hydrostatic transmission) housing axle driving apparatus (1990-05-08),
5. 4899541 - Axle driving apparatus (1990-02-13),
6. 4882940 - Power transmission mechanism for tractor (1989-11-28),
7. 4856368 - HST (hydrostatic transmission) containing axle drive apparatus (1989-08-15),
8. 4784013 - HST system driving apparatus (1988-11-15),
9. 4643442 - Fluid supply system for working vehicles (1987-02-17),
10. 4613024 - Power transmission for working vehicles (1986-09-23),
11. 4579183 - Transmission for self-propelled working vehicles (1986-04-01),
12. 4148382 - Vehicle power transmission with brake (1979-04-10),

Title: Innovations of Koichiro Fujisaki

Introduction

Koichiro Fujisaki is a prominent inventor based in Kobe, Japan. He has made significant contributions to the field of engineering, particularly in the development of axle driving apparatuses. With a total of 12 patents to his name, Fujisaki continues to push the boundaries of innovation in vehicle technology.

Latest Patents

One of his latest inventions is an axle driving apparatus designed to enhance vehicle performance. This apparatus features an input pulley for engine power that is strategically positioned lower than the axis of the driving axle. This design allows for a lowered vehicle platform, promoting miniaturization, a lower center of gravity, and improved running stability. Additionally, the apparatus is engineered for easy maintenance, as it does not require the entire unit to be removed from the vehicle frame for transmission servicing. The precision of the bearing that supports the axle ensures minimal backlash, thereby extending the bearing's lifespan. The sealed axle design and the strong casing contribute to improved rigidity and reduced assembly time.

Career Highlights

Fujisaki is currently employed at Kanzaki Kokyukoki Manufacturing Co., Ltd., where he continues to innovate and develop new technologies. His work has been instrumental in advancing the capabilities of modern vehicles.

Collaborations

Fujisaki collaborates with talented coworkers such as Ryota Ohashi and Toshiro Azuma, contributing to a dynamic and innovative work environment.

Conclusion

Koichiro Fujisaki's contributions to the field of engineering, particularly through his innovative axle driving apparatuses, highlight his commitment to enhancing vehicle technology. His work not only improves vehicle performance but also sets a standard for future innovations in the industry.

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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