Eiichi Hiraya

This inventor holds 10 USPTO granted patents and 2 published patent applications and 4 EPO patents. Top assignee: Seiko Epson Corporation. Active years: 2003-2025.

USPTO Granted Patents = 10 (Patent Applications = 2)

% Patents Active = 90.0

EPO Patents = 4 (Patent Applications = 4)

Average Co-Inventor Count = 1.2

ph-index = 2

Forward Citations = 35(Granted Patents)

Location History:

Shiojiro, JP (2003)
Shiojjri, JP (2009)
Nagano, JP (2011 - 2017)
Shiojiri, JP (2007 - 2024)

Company Filing History:

10 out of 34,209

Seiko Epson Corporation

patents

Years Active: 2003-2025

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10 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 12332605 - Electronically controlled mechanical timepiece (2025-06-17),

2. 11868091 - Watch (2024-01-09),

3. 11625004 - Timepiece (2023-04-11),

4. 11550261 - Timepiece (2023-01-10),

5. 10248082 - Timepiece movement, mechanical timepiece, and method for releasing pawl lever from engagement (2019-04-02),

6. 9791832 - Timepiece and method for manufacturing timepiece (2017-10-17),

7. 7864634 - Timepiece with a calendar mechanism (2011-01-04),

8. 7614782 - Chronograph timepiece (2009-11-10),

9. 7307922 - Stopwatch and watch (2007-12-11),

10. 6567345 - Clocking device (2003-05-20),

Title: The Innovative Contributions of Eiichi Hiraya

Introduction

Eiichi Hiraya is a prominent inventor based in Shiojiri, Japan. He has made significant contributions to the field of horology, particularly in the development of electronically controlled mechanical timepieces. With a total of 10 patents to his name, Hiraya's work exemplifies innovation and precision in watchmaking.

Latest Patents

Hiraya's latest patents include an electronically controlled mechanical timepiece and a unique watch design. The electronically controlled mechanical timepiece features a rotor with a rotary shaft, a pinion for torque transmission, and a rotor magnet. This design allows for efficient power generation through a generator that utilizes the rotor's rotation. Additionally, the watch incorporates a power reserve hand that is visually recognizable from the rear side, along with an oscillating weight and a train wheel bridge that enhances its functionality.

Career Highlights

Hiraya has dedicated his career to advancing watch technology, particularly through his work at Seiko Epson Corporation. His innovative designs have not only improved the accuracy of timekeeping but have also enhanced the user experience with visually appealing features.

Collaborations

Hiraya has collaborated with notable colleagues such as Tsuneaki Furukawa and Nobuhiro Koike. These partnerships have fostered a creative environment that encourages the exchange of ideas and the development of groundbreaking technologies in the watch industry.

Conclusion

Eiichi Hiraya's contributions to the field of horology are marked by his innovative patents and collaborative efforts. His work continues to influence the evolution of timekeeping technology, showcasing the importance of creativity and precision in watchmaking.