Tokyo, Japan

Koji Yamada

USPTO Granted Patents = 51 

 

Average Co-Inventor Count = 2.1

ph-index = 10

Forward Citations = 548(Granted Patents)

Forward Citations (Not Self Cited) = 542(Oct 12, 2025)


Inventors with similar research interests:


Location History:

  • Susono, JP (1985 - 1995)
  • Aichi, JP (1993 - 1995)
  • Shizuoka-ken, JP (1997)
  • Nishikasugaigun, JP (1999)
  • Sagamihara, JP (1997 - 2000)
  • Hyogo, JP (2011 - 2013)
  • Himeji, JP (2010 - 2018)
  • Hachioji, JP (2019)
  • Chiyoda-ku, JP (2019 - 2020)
  • Nishitokyo, JP (2019 - 2020)
  • Tokyo, JP (1990 - 2023)

Company Filing History:

goldMedal13 out of 730 
 
Kyowa Hakko Kogyo Co., Ltd.
 patents
silverMedal8 out of 4,979 
 
Oki Electric Industry Co., Ltd.
 patents
bronzeMedal7 out of 822 
 
Ushio Denki Kabushiki Kaisha
 patents
45 out of 1,176 
 
Sumitomo Heavy Industries, Ltd.
 patents
54 out of 2,614 
 
Otis Elevator Company
 patents
63 out of 15,844 
 
Mitsubishi Electric Corporation
 patents
72 out of 151 
 
Threebond Co., Ltd.
 patents
81 out of 21,351 
 
Mitsubishi Denki Kabushiki Kaisha
 patents
91 out of 90 
 
Japan Radio Co., Ltd.
 patents
101 out of 707 
 
Oki Semiconductor Co., Ltd.
 patents
111 out of 35,658 
 
Nec Corporation
 patents
121 out of 4,618 
 
Mitsubishi Heavy Industries Limited
 patents
131 out of 1 
 
Neophotonics Semiconductor Godo Kaisha
 patent
141 out of 702 
 
Lapis Semiconductor Co., Ltd.
 patents
151 out of 21 
 
Taki Chemical Co., Ltd.
 patents
161 out of 60 
 
Kose Corporation
 patents
171 out of 832,680 
Other
 patents
where one patent can have more than one assignee

Years Active: 1985-2025

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51 patents (USPTO):Explore Patents

Title: The Innovative Contributions of Koji Yamada in Patenting

Introduction: Koji Yamada, an eminent inventor based in Tokyo, Japan, has made remarkable strides in the field of patents with an impressive portfolio of 50 patents. His innovative work primarily focuses on materials and technologies that enhance the efficiency and performance of various applications, particularly in fuel cells and photocurable resin compositions.

Latest Patents: Among his significant contributions, Yamada's latest patents include a photocurable resin composition designed for screen printing that ensures rapid photocuring. This innovation addresses the need for efficiency in manufacturing processes. Additionally, he developed a comprehensive sealing material for fuel cells, along with a method of sealing that significantly improves the durability and functionality of fuel cell systems. He also created a novel cryocooler, which encompasses a unique design and operating principles to optimize gas flow and enhance thermal management, demonstrating his commitment to advancing technology in the energy sector.

Career Highlights: Throughout his career, Koji Yamada has held notable positions at leading companies, including Kyowa Hakko Kogyo Co., Ltd. and Oki Electric Industry Co., Ltd. His experience in these organizations has allowed him to cultivate deep insights into the industry's demands, thereby guiding his inventive processes. His dedication to research and development has resulted in numerous patents that have contributed significantly to technological progress.

Collaborations: During his journey as an inventor, Yamada has collaborated with talented professionals, including Hiroshi Kase and Tetsuji Ohno. These collaborations have fostered an environment of innovation, pooling together a wealth of knowledge and expertise that has propelled them towards pioneering new solutions in their respective fields.

Conclusion: Koji Yamada stands out as a prominent figure in the landscape of innovation, with a track record that showcases his extensive contributions to patents and inventions. His relentless pursuit of technological advancement and commitment to excellence have positioned him as a leader in the field, inspiring future generations of inventors to continue pushing the boundaries of what is possible.

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