Tokyo, Japan

Junichi Nakamura

USPTO Granted Patents = 84 

 

Average Co-Inventor Count = 2.6

ph-index = 11

Forward Citations = 775(Granted Patents)

Forward Citations (Not Self Cited) = 759(Oct 12, 2025)


Inventors with similar research interests:


Location History:

  • Aichi, JP (2011)
  • Mishima, JP (2016)
  • Kawasaki Kanagawa, JP (2018)
  • Kawasaki, JP (2001 - 2019)
  • Chiyoda-ku, JP (2019)
  • Chiba, JP (1997 - 2022)
  • Toyohashi, JP (2011 - 2022)
  • Tokyo, JP (1987 - 2024)

Company Filing History:

goldMedal27 out of 58,129 
 
Sony Corporation
 patents
silverMedal14 out of 2,346 
 
Mitsubishi Chemical Corporation
 patents
bronzeMedal9 out of 37,905 
 
Micron Technology Incorporated
 patents
45 out of 580 
 
Aptina Imaging Corporation
 patents
54 out of 52,711 
 
Kabushiki Kaisha Toshiba
 patents
64 out of 7,952 
 
Tdk Corporation
 patents
73 out of 4,547 
 
California Institute of Technology
 patents
83 out of 3,590 
 
Semiconductor Components Industries, LLC
 patents
93 out of 1,357 
 
Mitsubishi Rayon Company, Limited
 patents
102 out of 11 
 
Brillnics, Inc.
 patents
112 out of 7,524 
 
Renesas Electronics Corporation
 patents
122 out of 62 
 
Ems-chemie Ag
 patents
131 out of 16,458 
 
Fuji Photo Film Company, Limited
 patents
141 out of 6,174 
 
Toshiba Tec Kabushiki Kaisha
 patents
151 out of 196 
 
Toshiba Solutions Corporation
 patents
161 out of 35,658 
 
Nec Corporation
 patents
171 out of 3,416 
 
Sony Group Corporation
 patents
181 out of 21 
 
Interman Corporation
 patents
191 out of 279 
 
Toshiba Infrastructure Systems & Solutions Corporation
 patents
201 out of 13 
 
Brillnics Japan Inc.
 patents
211 out of 3 
 
Japan Coating Resin Corporation
 patents
221 out of 10 
 
Toflo Corporation
 patents
where one patent can have more than one assignee

Years Active: 1987-2025

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84 patents (USPTO):

Title: The Innovative Contributions of Junichi Nakamura in the Field of Epoxy Resins

Introduction: Junichi Nakamura, a renowned inventor based in Tokyo, Japan, holds an impressive portfolio of 76 patents. His work primarily focuses on advanced materials, particularly in the realm of epoxy resin compositions and their applications, contributing significantly to various industries.

Latest Patents: Some of Nakamura's latest patents include innovative formulations like macromonomer copolymers and epoxy resin compositions tailored for enhanced performance. One notable patent outlines an epoxy resin composition comprising a (meth)acrylic copolymer, an epoxy resin, and a curing agent, where the (meth)acrylic copolymer contains constituent units derived from both a macromonomer and a vinyl monomer. Notably, this composition is engineered to ensure that the glass transition temperature (TgB) of the resulting polymer is 25° C. or lower. Another significant patent concerns a coating material composition that facilitates efficient repair operations for coating films, demonstrating Nakamura's expertise in multilayer coating film technologies.

Career Highlights: Throughout his illustrious career, Junichi Nakamura has made substantial contributions while working at prestigious companies such as Sony Corporation and Mitsubishi Chemical Corporation. His innovative spirit and dedication to research have been key factors in his multiple patents and advancements in materials science.

Collaborations: Nakamura often collaborates with esteemed colleagues, including Hideki Sato and Isao Takayanagi, further enhancing his research and development efforts. These collaborations allow for a rich exchange of ideas and foster innovation in his projects.

Conclusion: Junichi Nakamura's work exemplifies the remarkable advancements in the field of epoxy resins and copolymers, demonstrating the profound impact of his inventions on various industries. With a solid foundation of patents and collaborations, he continues to inspire future innovations in material science.

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