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For the Inventor, By the Inventor

Minamiminowa, Japan

Yasuharu Hashimoto

This inventor holds 17 USPTO granted patents and 2 published patent applications and 4 EPO patents. Top assignees: Seiko Epson Corporation, Seiko Corporation. Active years: 1998-2022.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Yasuharu Hashimoto. Retrieved from https://idiyas.com/inventor/yasuharu-hashimoto

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 = 47.1


Average Co-Inventor Count = 1.8

ph-index = 8

Forward Citations = 162(Granted Patents)


Location History:

  • Hinamiminowa-Mura, JP (2005)
  • Suwa, JP (1998 - 2006)
  • Nagano-Ken, JP (2005 - 2007)
  • Minamiminowa-mura, JP (2014)
  • Kamiina-gun, JP (2013 - 2015)
  • Minamiminowa, JP (2006 - 2022)

Company Filing History:

goldMedal16 out of 34,268 
 
Seiko Epson Corporation
 patents
silverMedal1 out of 53 
 
Seiko Corporation
 patents

Years Active: 1998-2022

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17 patents (USPTO):Explore Patents
1. 11438000 - Atomic oscillator and frequency signal generation system (2022-09-06),
2. 10195737 - Piezoelectric drive device, robot, and method for driving piezoelectric drive device (2019-02-05),
3. 9985555 - Piezoelectric driving device, robot, and driving method of the same (2018-05-29),
4. 9919418 - Piezoelectric driving device, robot, and driving method of the same (2018-03-20),
5. 9101714 - Fluid injection system (2015-08-11),
6. 8827428 - Piezoelectric motor, liquid ejecting apparatus, and clock (2014-09-09),
7. 8506523 - Fluid injection system (2013-08-13),
8. 7830103 - Method for driving ultrasonic motor (2010-11-09),
9. 7586237 - Piezoelectric vibrator, intrinsic frequency adjusting method of piezoelectric vibrator, piezoelectric actuator and electronic device (2009-09-08),
10. 7459830 - Piezoelectric actuator, drive control method of piezoelectric actuator, and electronic device (2008-12-02),
11. 7253552 - Piezoelectric actuator, timepiece, and portable device (2007-08-07),
12. 7116038 - Ultrasonic motor, an operating apparatus, an optical apparatus and an electric instrument (2006-10-03),
13. 7078847 - Piezoelectric actuator, timepiece, and portable device (2006-07-18),
14. 6885615 - Piezoelectric actuator, time piece, and portable device (2005-04-26),
15. 6885456 - Compact optical gyroscope and method of manufacturing the same (2005-04-26),

Title: Yasuharu Hashimoto: Innovator in Atomic Oscillators and Piezoelectric Devices

Introduction

Yasuharu Hashimoto is a prominent inventor based in Minamiminowa, Japan. He has made significant contributions to the fields of atomic oscillators and piezoelectric devices. With a total of 17 patents to his name, Hashimoto's work has had a considerable impact on technology and innovation.

Latest Patents

Among his latest inventions is an atomic oscillator and frequency signal generation system. This system includes an oscillator that outputs an oscillation signal, a light emitter that receives a signal based on this oscillation, an atomic cell, and a light receiver that detects light passing through the atomic cell. The control circuit of this oscillator features three operational modes, allowing for versatile functionality. Another notable invention is a piezoelectric drive device, which consists of a vibrating body, a support portion, and a piezoelectric element. This device is designed to enhance the efficiency of piezoelectric applications.

Career Highlights

Hashimoto has worked with notable companies such as Seiko Epson Corporation and Seiko Epscon Corporation. His experience in these organizations has contributed to his expertise in developing innovative technologies.

Collaborations

Throughout his career, Yasuharu Hashimoto has collaborated with talented individuals, including Osamu Miyazawa and Tsukasa Funasaka. These partnerships have fostered a creative environment that has led to groundbreaking inventions.

Conclusion

Yasuharu Hashimoto's contributions to the fields of atomic oscillators and piezoelectric devices highlight his innovative spirit and dedication to advancing technology. His work continues to inspire future generations of inventors.

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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