Takeo Funakawa

This inventor holds 17 USPTO granted patents and 5 published patent applications and 4 EPO patents. Top assignee: Seiko Epson Corporation. Active years: 2008-2026.

USPTO Granted Patents = 17 (Patent Applications = 5)

% Patents Active = 52.9

EPO Patents = 4 (Patent Applications = 6)

Average Co-Inventor Count = 2.0

ph-index = 4

Forward Citations = 42(Granted Patents)

Location History:

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

Company Filing History:

17 out of 34,195

Seiko Epson Corporation

patents

Years Active: 2008-2026

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17 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 12535772 - Timepiece component, timepiece movement, and timepiece (2026-01-27),

2. 12001169 - Watch component, watch movement and watch (2024-06-04),

3. 11868089 - Watch component and watch (2024-01-09),

4. 11868088 - Timepiece component, timepiece movement, and timepiece (2024-01-09),

5. 11693365 - Watch component, movement, watch and method for manufacturing watch component (2023-07-04),

6. 11467538 - Watch component, movement and watch (2022-10-11),

7. 10761483 - Mechanical part, timepiece, and method of manufacturing a mechanical part (2020-09-01),

8. 10747178 - Mechanical component and timepiece (2020-08-18),

9. 10747177 - Mechanical component, timepiece, and manufacturing method of mechanical component (2020-08-18),

10. 9195047 - Optical filter and optical module having optical filter (2015-11-24),

11. 8766515 - Flexural vibrating reed, flexural vibrator, and piezoelectric device (2014-07-01),

12. 8687254 - Optical filter and optical module having optical filter (2014-04-01),

13. 8581669 - Vibrator element, vibrator, oscillator, and electronic apparatus (2013-11-12),

14. 8415863 - Vibrating piece manufacturing method and vibrator manufacturing method (2013-04-09),

15. 8310137 - Resonator element and resonator (2012-11-13),

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.