Ibaraki, Japan

Yutaka Hayashi

USPTO Granted Patents = 62 

 

Average Co-Inventor Count = 2.3

ph-index = 19

Forward Citations = 1,351(Granted Patents)

Forward Citations (Not Self Cited) = 1,342(Oct 12, 2025)


Inventors with similar research interests:


Location History:

  • Hoya, JP (1982)
  • Sakura, JP (1985)
  • Tanashi, JP (1986)
  • Ibarakiken, JP (1989)
  • Tsukaba, JP (1990)
  • Umezono, Szkuramura, Niiharigun, Ibarakiken, JP (1990)
  • Taukuba, JP (1991)
  • Umezono, JP (1993)
  • Ibaraki JP (2007)
  • Tsukuba-shi, Ibaraki, JP (2007 - 2008)
  • Tsukuba-shi, Ibaraki JP (2009 - 2010)
  • Kanagawa, JP (1994 - 2015)
  • Ibaraki, JP (1987 - 2017)
  • Kawasaki, JP (2017)
  • Tokyo, JP (2020)
  • Kodaira, JP (2017 - 2021)

Company Filing History:

goldMedal25 out of 58,129 
 
Sony Corporation
 patents
silverMedal9 out of 1,037 
 
Agency of Industrial Science and Technology
 patents
bronzeMedal8 out of 2,899 
 
Seiko Instruments Inc
 patents
46 out of 7,524 
 
Renesas Electronics Corporation
 patents
54 out of 1,710 
 
National Institute of Advanced Industrial Science and Technology
 patents
63 out of 172 
 
Agency of Industrial Science and Technology Ministry of International
 patents
73 out of 1,763 
 
Taiyo Yuden Co., Ltd.
 patents
83 out of 348 
 
Ministry of International Trade & Industry
 patents
93 out of 24 
 
Taiyo Yuden Kabushiki Kaisha
 patents
103 out of 28,544 
 
Ricoh Company, Ltd.
 patents
111 out of 11 
 
Halo Lsi Design Device Technology, Inc.
 patents
121 out of 1 
 
Kogyo Gizyutsuin
 patent
131 out of 127 
 
Seiko Instruments & Electronics Ltd.
 patents
141 out of 12 
 
Kogyo Gijutsuin
 patents
151 out of 1,641 
 
Hitachi Chemical Company, Ltd.
 patents
161 out of 1 
 
Yutaka Hayashi
 patent
171 out of 1 
 
President of Kogyo Gijutuin
 patent
181 out of 17 
 
Sankosha Corporation
 patents
191 out of 1 
 
Mitaka Denshi Kagaku Laboratory Inc.
 patent
201 out of 73 
 
Zaidan Hojin Handotai Kenkyu Shinkokai
 patents
211 out of 2 
 
Japan As Represented by General Director of Agency of Industrial Science
 patents
221 out of 255 
 
Research Development Corporation of Japan
 patents
239 out of 832,680 
Other
 patents
where one patent can have more than one assignee

Years Active: 1982-2021

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62 patents (USPTO):

Title: Yutaka Hayashi: Innovator in Semiconductor and Airbag Control Technologies

Introduction

Yutaka Hayashi, based in Ibaraki, Japan, is a prolific inventor with an impressive portfolio of 62 patents. His contributions primarily focus on advancements in automotive safety and semiconductor technology, which have had a significant impact on various industries.

Latest Patents

Among his latest innovations are two notable patents: an airbag control device and a power circuit. The airbag control device features an Electronic Control Unit (ECU) comprised of a boosting circuit to enhance power supply voltage, a backup capacitor for charging, and an ignition circuit for activating airbags with secured backup power. This innovative design also integrates a bidirectional current limiting unit to effectively manage the flow of charging and backflow currents.

Moreover, Hayashi's power circuit patent aims to stabilize internal power source voltage for ensuring reliable operation of load circuits. It includes a regulator for generating output voltage from input voltage, a voltage detecting circuit for monitoring the output, and a clamp circuit to maintain internal power source voltage at a safe level, especially during fail situations.

Career Highlights

Throughout his career, Hayashi has made significant strides while working at renowned organizations such as Sony Corporation and the Agency of Industrial Science and Technology. His dedication to innovation has consistently pushed the boundaries of technology, leading to his numerous patents that enhance safety and efficiency in various applications.

Collaborations

In his journey of innovation, Yutaka Hayashi has worked alongside esteemed colleagues like Mikio Mukai and Hisashi Hasegawa. These collaborations have allowed for a shared exchange of innovative ideas and practices, ultimately contributing to the development of groundbreaking technologies.

Conclusion

Yutaka Hayashi continues to be a key player in the realm of technology and innovation. With his extensive patent portfolio and commitment to advancing safety and operational stability in electronic devices, Hayashi exemplifies the qualities of a true inventor and innovator. His work not only shapes the current technological landscape but also sets the stage for future advancements in engineering and design.

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