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For the Inventor, By the Inventor

Kariya, Japan

Katsuyoshi Fujita

This inventor holds 10 USPTO granted patents. Top assignees: Kabushiki Kaisha Toyota Jidoshokki, Toyota Jidosha Kabushiki Kaisha, Kabushiki Kaisha Toyoda Jidoshokki Seisakusho. Active years: 2004-2017.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Katsuyoshi Fujita. Retrieved from https://idiyas.com/inventor/katsuyoshi-fujita

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

USPTO Granted Patents = 10

Average Co-Inventor Count = 5.0

ph-index = 5

Forward Citations = 93(Granted Patents)


Location History:

  • Aichi, JP (2006)
  • Kariya, JP (2004 - 2012)
  • Aichi-ken, JP (2017)

Company Filing History:

goldMedal7 out of 1,902 
 
Kabushiki Kaisha Toyota Jidoshokki
 patents
silverMedal4 out of 38,970 
 
Toyota Jidosha Kabushiki Kaisha
 patents
bronzeMedal1 out of 1,343 
 
Kabushiki Kaisha Toyoda Jidoshokki Seisakusho
 patents
4. 1 out of 834,570 
Other
 patents
where one patent can have more than one assignee

Years Active: 2004-2017

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10 patents (USPTO):Explore Patents
1. 9670891 - Power supply for vehicle (2017-06-06),
2. 8287629 - Hydrogen gas storage device (2012-10-16),
3. 8051977 - Hydrogen storage tank (2011-11-08),
4. 7875107 - Hydrogen storage tank and its manufacturing method (2011-01-25),
5. 7326281 - Hydrogen storage tank (2008-02-05),
6. 7322398 - Pressure tank (2008-01-29),
7. 7152665 - Pressure tank (2006-12-26),
8. 7115159 - Solid filling tank (2006-10-03),
9. 6997242 - Reservoir with hydrogen storage material (2006-02-14),
10. 6733563 - Methods for manufacturing hydrogen storage tanks (2004-05-11),

Title: Innovations of Katsuyoshi Fujita

Introduction

Katsuyoshi Fujita is a notable inventor based in Kariya, Japan. He has made significant contributions to the field of engineering, particularly in the automotive and energy sectors. With a total of 10 patents to his name, Fujita's work reflects a commitment to innovation and technological advancement.

Latest Patents

Fujita's latest patents include a power supply for vehicles and a hydrogen gas storage device. The power supply for vehicles features a generator, a lead battery, and an electric storage device connected in parallel to enhance efficiency. It also includes a starter circuit with a capacitor and multiple switches to optimize performance. The hydrogen gas storage device consists of an MH tank module with a hollow outer shell made of metal, designed to retain MH powder in defined chambers. This innovative design allows for effective storage and management of hydrogen gas.

Career Highlights

Throughout his career, Fujita has worked with prominent companies such as Toyota Jidosha Kabushiki Kaisha and Kabushiki Kaisha Toyota Jidoshokki. His experience in these organizations has allowed him to develop and refine his inventions, contributing to advancements in automotive technology.

Collaborations

Fujita has collaborated with notable colleagues, including Hidehito Kubo and Daigoro Mori. These partnerships have fostered a creative environment that encourages the exchange of ideas and expertise.

Conclusion

Katsuyoshi Fujita's contributions to innovation and technology are evident through his patents and career achievements. His work continues to influence the automotive and energy sectors, showcasing the importance of inventive thinking in driving progress.

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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