Wako, Japan

Fuminori Kawashima

This inventor holds 7 USPTO granted patents. Top assignee: Honda Giken Kogyo Kabushiki Kaisha. Active years: 1991-2001.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Fuminori Kawashima. Retrieved from https://idiyas.com/inventor/fuminori-kawashima

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

Calculating rank

% Patents Active = 100.0

Average Co-Inventor Count = 4.4

ph-index = 6

Forward Citations = 91(Granted Patents)


Location History:

  • Wako, JP (1997 - 1999)
  • Saitama, JP (1991 - 2001)

Company Filing History:


Years Active: 1991-2001

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7 patents (USPTO):Explore Patents

Title: The Innovations of Fuminori Kawashima

Introduction

Fuminori Kawashima is an accomplished inventor based in Wako, Japan, known for his significant contributions to the field of engineering. With a total of seven patents to his name, Kawashima's work primarily focuses on enhancing mechanical systems used in automotive applications.

Latest Patents

Two of his most recent patents exemplify his innovative approach to design and functionality. The first patent, titled "Separator Structure of Chain Case," improves the interior design of a chain case accommodating a chain-sprocket mechanism. This invention includes elements such as a tensioner shoe and a guide shoe, with a unique rib structure that efficiently partitions space within the engine assembly. By doing so, it ensures a sufficient oil passage without necessitating engine enlargement.

The second patent, "Tensioner for an Endless Transmitting Member," addresses the critical issue of chain looseness. This innovative tensioner design effectively prevents incorrect meshing of an endless chain with sprockets, utilizing a plunger holder biased by two springs, allowing for precise adjustments in response to engine conditions. The incorporation of a ratchet mechanism ensures consistent performance during operation and extended wear periods.

Career Highlights

Kawashima's career has been marked by his role at Honda Giken Kogyo Kabushiki Kaisha, where he has applied his engineering insights to develop these cutting-edge technologies. His patents not only reflect his technical skill but also his commitment to improving automotive reliability and performance.

Collaborations

Collaboration has played a crucial role in Kawashima's career. Working alongside talented colleagues such as Kensuke Nakamura and Tomoki Okita, he has been able to leverage diverse expertise and perspectives, enhancing the impact of their collective innovations on the automotive industry.

Conclusion

Fuminori Kawashima exemplifies the spirit of innovation in the automotive sector. Through his patented inventions, he has made significant strides in enhancing mechanical systems, ensuring both functionality and reliability in engine designs. His ongoing work continues to hold promise for future advancements in automotive technology.

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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