Sakai, Japan

Noriyasu Ishikawa

This inventor holds 6 USPTO granted patents and 2 EPO patents. Top assignee: Shimano Inc.. Active years: 2007-2013.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Noriyasu Ishikawa. Retrieved from https://idiyas.com/inventor/noriyasu-ishikawa

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


% Patents Active = 50.0


Average Co-Inventor Count = 1.2

ph-index = 6

Forward Citations = 140(Granted Patents)


Location History:

  • Izumiotsu, JP (2008)
  • Sakai, JP (2007 - 2012)
  • Fukuroi, JP (2013)

Company Filing History:


Years Active: 2007-2013

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6 patents (USPTO):Explore Patents

Title: Noriyasu Ishikawa: Innovator in Bicycle Derailleur Technology

Introduction

Noriyasu Ishikawa is a prominent inventor based in Sakai, Japan. He has made significant contributions to the field of bicycle technology, particularly in the development of bicycle derailleur systems. With a total of 6 patents to his name, Ishikawa's innovations have enhanced the performance and functionality of bicycles.

Latest Patents

Ishikawa's latest patents include a "Motion resisting apparatus for a bicycle derailleur" and a "Bicycle derailleur apparatus with a supported power supply." The motion resisting apparatus features a base member that couples to a bicycle frame, a movable member for relative movement, and a chain guide that facilitates the movement of the chain between sprockets. It also includes a biasing device that applies tension to the chain and a movement resisting device that selectively applies resistance to the chain guide's movement. The second patent describes a derailleur that includes a mounting member for attachment to a bicycle frame and a chain guide that moves relative to this mounting member, along with a power storing unit supported by the derailleur.

Career Highlights

Ishikawa is currently employed at Shimano Inc., a leading company in the bicycle components industry. His work at Shimano has allowed him to focus on innovative solutions that improve cycling experiences for users worldwide. His expertise in derailleur technology has positioned him as a key figure in the advancement of bicycle design.

Collaborations

Ishikawa collaborates with Takeshi Takachi, a fellow innovator in the field. Their partnership has led to the development of cutting-edge technologies that continue to push the boundaries of bicycle engineering.

Conclusion

Noriyasu Ishikawa's contributions to bicycle derailleur technology exemplify his commitment to innovation and excellence. His patents reflect a deep understanding of mechanical systems and a passion for enhancing the cycling experience.

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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