Chiba, Japan

Hisashi Fujieda

This inventor holds 4 USPTO granted patents and 3 published patent applications. Top assignee: Seiko Instruments Inc. Active years: 2008-2016.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Hisashi Fujieda. Retrieved from https://idiyas.com/inventor/hisashi-fujieda

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

USPTO Granted Patents = 4 

% Patents Active = 50.0

Average Co-Inventor Count = 2.4

ph-index = 2

Forward Citations = 7(Granted Patents)


Company Filing History:


Years Active: 2008-2016

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4 patents (USPTO):Explore Patents

Title: Hisashi Fujieda: Innovator in Timepiece Technology

Introduction

Hisashi Fujieda is a notable inventor based in Chiba, Japan. He has made significant contributions to the field of timepiece technology, holding a total of four patents. His innovative designs focus on improving the efficiency and functionality of mechanical timepieces.

Latest Patents

Fujieda's latest patents include a temperature compensation-type balance and a timepiece movement. The temperature compensation-type balance features a balance staff and a balance wheel with multiple bimetal portions arranged in parallel around the rotation axis. This design enhances the stability of the timepiece by compensating for temperature variations. His patent on the timepiece movement aims to improve energy transmission efficiency through an advanced escapement mechanism. This mechanism includes a double roller and a pallet fork, which work together to enhance the performance of the timepiece.

Career Highlights

Fujieda has dedicated his career to advancing timepiece technology. His work at Seiko Instruments Inc. has positioned him as a key player in the industry. His innovative designs have not only improved existing technologies but have also paved the way for future advancements in timekeeping.

Collaborations

Fujieda has collaborated with notable colleagues such as Masayuki Koda and Shigeo Suzuki. These partnerships have fostered a creative environment that encourages innovation and the development of cutting-edge timepiece technologies.

Conclusion

Hisashi Fujieda's contributions to the field of timepiece technology are significant and impactful. His innovative patents and collaborative efforts continue to shape the future of timekeeping.

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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