Tokyo, Japan

Shigeo Hayashi

USPTO Granted Patents = 83 

 

Average Co-Inventor Count = 2.1

ph-index = 12

Forward Citations = 683(Granted Patents)


Inventors with similar research interests:


Location History:

  • Yokohama, JA (1977)
  • Okazaki, JP (1981)
  • Kawasaki, JP (1994 - 2000)
  • Kanagawa, JP (1991 - 2009)
  • Yokohama, JP (1978 - 2011)
  • Mie, JP (2012)
  • Hamura, JP (2008 - 2015)
  • Okaya, JP (1994 - 2017)
  • Hamura Tokyo, JP (2019)
  • Yokkaichi, JP (2012 - 2021)
  • Tokyo, JP (1987 - 2024)

Company Filing History:

goldMedal23 out of 10,239 
 
Sumitomo Electric Industries, Limited
 patents
silverMedal21 out of 5,729 
 
Olympus Optical Company, Ltd.
 patents
bronzeMedal12 out of 15,844 
 
Mitsubishi Electric Corporation
 patents
49 out of 52,711 
 
Kabushiki Kaisha Toshiba
 patents
55 out of 2,092 
 
Autonetworks Technologies, Limited
 patents
65 out of 6,145 
 
Sumitomo Wiring Systems, Limited
 patents
74 out of 57 
 
New Oji Paper Co, Ltd.
 patents
84 out of 229 
 
Oji Paper Co., Ltd.
 patents
93 out of 8,186 
 
Olympus Corporation
 patents
102 out of 5 
 
Misawa Homes Institute of Research and Development
 patents
112 out of 58,129 
 
Sony Corporation
 patents
122 out of 64 
 
Toshiba Client Solutions Co., Ltd.
 patents
131 out of 405 
 
Showa Denko Kabushiki Kaisha
 patents
141 out of 36,499 
 
Toyota Jidosha Kabushiki Kaisha
 patents
151 out of 8 
 
Sumitomo Electric Industries, Co.
 patents
161 out of 727 
 
Olympus Imaging Corporation
 patents
171 out of 1,960 
 
Showa Denko K.k.
 patents
181 out of 3,252 
 
Nippondenso Co., Ltd.
 patents
191 out of 1,838 
 
Toyota Jidosha Kogyo Kabushiki Kaisha
 patents
201 out of 164 
 
Ntt Electronics Corporation
 patents
where one patent can have more than one assignee

Years Active: 1977-2025

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Areas of Expertise:
Power Conversion Device
HVDC MMC
Optical Communication Module
Electronic Apparatus
Laser Diode Driver
Optical Transceiver
Photodetector
Vehicle Network System
Capacitor Balancing Control
Changeable Lens Barrel
Driving Circuit
Light-Emitting Module
83 patents (USPTO):Explore Patents

Title: Shigeo Hayashi - A Pioneer in Power Conversion Technology

Introduction: Shigeo Hayashi, renowned for his exceptional contributions to power conversion technology, resides in Tokyo, Japan. With an impressive portfolio comprising 80 patents, Hayashi has made significant strides in the realm of electrical engineering, particularly in the development of innovative power conversion devices.

Latest Patents: Among his latest patents, notable inventions include a power conversion device with individual cell and arm balancing. This device features a power converter consisting of multiple arms, each containing converter cells connected in a cascade arrangement. The invention focuses on effective AC current control and individual voltage control to enhance performance. Another significant patent involves a device that converts electric power between DC and AC circuits. This innovation comprises a series of sub-modules, integrating energy accumulation elements and semiconductor circuits to facilitate efficient power conversion.

Career Highlights: Throughout his career, Shigeo Hayashi has worked with esteemed companies such as Sumitomo Electric Industries, Limited and Olympus Optical Company, Ltd. His work has established him as a pivotal figure in advancing technologies within these organizations, especially concerning power conversion applications.

Collaborations: Hayashi has collaborated with several notable colleagues, including Mitsuaki Nishie and Takeshi Ito. These partnerships have fostered an environment of innovation and creativity, leading to the development of groundbreaking technologies that have influenced the industry significantly.

Conclusion: Shigeo Hayashi stands out as a prominent inventor in the field of power conversion technology. His extensive work has not only garnered numerous patents but also contributed substantially to advancements in electrical engineering. With his continued dedication to innovation, Hayashi's influence on the field of power conversion devices will undoubtedly endure for years to come.

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