Chino, Japan

Takeo Funakawa

This inventor holds 17 USPTO granted patents and 7 published patent applications and 4 EPO patents. Top assignee: Seiko Epson Corporation. Active years: 2008-2026.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Takeo Funakawa. Retrieved from https://idiyas.com/inventor/takeo-funakawa

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

USPTO Granted Patents = 17 

% Patents Active = 52.9

 

Average Co-Inventor Count = 2.0

ph-index = 4

Forward Citations = 43(Granted Patents)


Location History:

  • Nagano, JP (2014 - 2015)
  • Chino, JP (2008 - 2024)

Company Filing History:


Years Active: 2008-2026

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17 patents (USPTO):Explore Patents

Title: Takeo Funakawa: Innovator in Timepiece Technology

Introduction

Takeo Funakawa is a prominent inventor based in Chino, Japan. He has made significant contributions to the field of timepiece technology, holding a total of 17 patents. His innovative designs and components have advanced the functionality and aesthetics of timepieces.

Latest Patents

Funakawa's latest patents include a timepiece component, timepiece movement, and a timepiece. The timepiece component features a base material primarily composed of silicon, along with a light reflecting layer that consists of a first silicon oxide layer, a silicon layer, and a second silicon oxide layer arranged in a specific order. This design allows for distinct thicknesses in the layers, enhancing the light reflecting properties. Additionally, his watch component includes an escape gear portion that also utilizes silicon as a main component, with a light reflecting layer that varies in thickness between different regions, optimizing its performance.

Career Highlights

Funakawa is currently employed at Seiko Epson Corporation, a leading company in the timepiece industry. His work has been instrumental in developing advanced technologies that improve the precision and reliability of timekeeping devices.

Collaborations

Throughout his career, Funakawa has collaborated with notable colleagues such as Munehiro Shibuya and Takashi Yamazaki. These partnerships have fostered a creative environment that encourages innovation and the sharing of ideas.

Conclusion

Takeo Funakawa's contributions to timepiece technology exemplify the spirit of innovation. His patents reflect a deep understanding of materials and design, positioning him as a key figure in the advancement of modern 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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