Tokyo, Japan

Hiroshi Kawaguchi

USPTO Granted Patents = 88 

 

Average Co-Inventor Count = 2.7

ph-index = 11

Forward Citations = 686(Granted Patents)

Forward Citations (Not Self Cited) = 676(Dec 10, 2025)


Inventors with similar research interests:


Location History:

  • Tokyo, JA (1976 - 1977)
  • Kyoto-fu, JP (2001)
  • Toyko, JP (2001)
  • Koto-ku, JP (2006 - 2007)
  • Takasago, JP (1998 - 2013)
  • Kanagawa, JP (2005 - 2014)
  • Hyogo, JP (2012 - 2015)
  • Habikino, JP (2015)
  • Kobe, JP (1984 - 2017)
  • Kawasaki, JP (2014 - 2017)
  • Hitachinaka, JP (2010 - 2018)
  • Tokyo, JP (1978 - 2019)
  • Ibaraki, JP (2019)

Company Filing History:

goldMedal24 out of 637 
 
Bristol-myers Company
 patents
silverMedal19 out of 7,525 
 
Renesas Electronics Corporation
 patents
bronzeMedal6 out of 2,874 
 
Hitachi-high-technologies Corporation
 patents
46 out of 1,100 
 
Kabushiki Kaisha Kobe Seiko Sho
 patents
55 out of 135 
 
Semiconductor Technology Academic Research Center
 patents
65 out of 13 
 
Kyocera Medical Corporation
 patents
74 out of 35,705 
 
Nec Corporation
 patents
84 out of 1,285 
 
The University of Tokyo
 patents
94 out of 1,887 
 
Kobe Steel, Ltd.
 patents
103 out of 65 
 
Mitsubishi Mining and Cement Co. Ltd.
 patents
112 out of 297 
 
Nippon Oil Fats Co., Ltd.
 patents
122 out of 10 
 
The New Industry Research Organization
 patents
132 out of 58,130 
 
Sony Corporation
 patents
142 out of 129 
 
Tokyo Medical and Dental University
 patents
151 out of 2,636 
 
The Furukawa Electric Co., Ltd.
 patents
161 out of 1 
 
Mechanical Social System Foundation
 patent
171 out of 6,008 
 
Rohm Co., Ltd.
 patents
181 out of 2,467 
 
Nec Electronics Corporation
 patents
191 out of 5 
 
Lac Co., Ltd.
 patents
203 out of 832,843 
Other
 patents
where one patent can have more than one assignee

Years Active: 1976-2019

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Areas of Expertise:
Semiconductor Device
Manufacturing Method
Nitride Semiconductor
Biocompatible Materials
Medical Devices
Defect Inspection
Artificial Joints
Sensor Networks
Photoelectric Conversion
Low-Voltage Memory
Casting Equipment
Power Supply Circuits
88 patents (USPTO):Explore Patents

Title: Hiroshi Kawaguchi: A Tokyo-based Innovator Shaping the Semiconductor Industry

Introduction:

Hiroshi Kawaguchi, a prolific inventor based in Tokyo, Japan, has made significant contributions to the field of semiconductor devices. With an impressive portfolio of 88 patents, Kawaguchi's expertise lies in the development and manufacturing of cutting-edge semiconductor technologies. This article delves into his latest patents, career highlights, notable collaborations, and the impact of his work on the industry.

Latest Patents:

Among his recent patents, two noteworthy inventions stand out. The first patent, titled "Semiconductor Device and Method of Manufacturing Semiconductor Device," presents a novel design for a semiconductor device that optimizes performance. This invention entails the use of multiple nitride semiconductor layers and trench technology to enhance the efficiency of a gate electrode, resulting in improved device characteristics.

Kawaguchi's second patent, titled "Manufacturing Method of Semiconductor Device and Semiconductor Device," focuses on utilizing nitride semiconductor materials to enhance the performance of semiconductor devices. By introducing a specific structure and employing hydrogen annealing techniques, this invention enhances hydrogen penetration in the device's channel region, thus improving overall device performance.

Career Highlights:

Throughout his career, Hiroshi Kawaguchi has showcased exceptional expertise and commitment to semiconductor research and development. He has worked with esteemed companies like Bristol-Myers and Renesas Electronics Corporation. At Bristol-Myers, Kawaguchi contributed to the advancement of semiconductor technologies within a corporate research and development setting. His tenure at Renesas Electronics Corporation further honed his skills, allowing him to work on cutting-edge semiconductor projects in a dynamic industry environment.

Collaborations:

Kawaguchi has collaborated with several esteemed individuals in the field of semiconductor research. Notably, he has worked alongside Masataka Konishi and Takeo Miyaki, both renowned experts in their own right. These collaborations likely provided invaluable opportunities for knowledge exchange and the development of new and groundbreaking ideas.

Conclusion:

Hiroshi Kawaguchi's extensive patent portfolio and career highlights highlight his significant contributions to the semiconductor industry. His innovative solutions for improving semiconductor device performance are paving the way for advancements in the field. It is through the dedication and expertise of individuals like Kawaguchi that the world continues to witness remarkable strides in semiconductor technology, which ultimately shape and transform various industries.

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