Tokyo, Japan

Hajime Yamamoto

USPTO Granted Patents = 161 


 

Average Co-Inventor Count = 2.7

ph-index = 29

Forward Citations = 2,525(Granted Patents)

DiyaCoin DiyaCoin 3.74 


Inventors with similar research interests:


Location History:

  • Kodaira, JA (1977)
  • Tokyo, JA (1977)
  • Hitachi, JP (1981 - 1989)
  • Tama, JP (1995)
  • Kanagawa, JP (1999 - 2005)
  • Kanagawa-ken, JP (1998 - 2008)
  • Fuchu, JP (2005 - 2009)
  • Saitama-ken, JP (2010)
  • Kawasaki, JP (2003 - 2012)
  • Tsukuba, JP (2009 - 2012)
  • Kumagaya, JP (2005 - 2013)
  • Hachioji, JP (2012 - 2013)
  • Yokohama, JP (1996 - 2015)
  • Yamaguchi, JP (2016 - 2017)
  • Iwakuni, JP (2000 - 2021)
  • Tokyo, JP (1986 - 2023)

Company Filing History:

goldMedal98 out of 90,594 
 
Canon Kabushiki Kaisha
 patents
silverMedal13 out of 42,485 
 
Hitachi, Ltd.
 patents
bronzeMedal11 out of 11 
 
Benriner Co., Ltd
 patents
47 out of 52,711 
 
Kabushiki Kaisha Toshiba
 patents
57 out of 35,658 
 
Nec Corporation
 patents
66 out of 548 
 
National Institute for Materials Science
 patents
76 out of 2,346 
 
Mitsubishi Chemical Corporation
 patents
85 out of 8,889 
 
Nikon Corporation
 patents
94 out of 3,079 
 
Nichia Corporation
 patents
104 out of 608 
 
Citizen Electronics Co., Ltd.
 patents
114 out of 1,674 
 
Fujitsu Semiconductor Limited
 patents
123 out of 392 
 
Fujitsu General Limited
 patents
133 out of 87 
 
Kasei Optonix, Ltd.
 patents
142 out of 39,228 
 
Fujitsu Corporation
 patents
151 out of 11 
 
Independent Administrative Institution National Institute for Materials Science
 patents
161 out of 900 
 
Hitachi Medical Corporation
 patents
171 out of 2,333 
 
Hitachi Metals, Ltd.
 patents
181 out of 3,472 
 
Toray Industries, Inc.
 patents
191 out of 2,302 
 
Koito Manufacturing Company, Ltd.
 patents
201 out of 205 
 
Kyoraku Co., Ltd.
 patents
211 out of 832,680 
Other
 patents
where one patent can have more than one assignee

Years Active: 1977-2023

where 'Filed Patents' based on already Granted Patents

161 patents (USPTO):

Title: Hajime Yamamoto: An Innovator Shaping the Future through Patents

Introduction:

In the realm of innovations and patents, one name that stands out is Hajime Yamamoto. Hailing from Tokyo, Japan, Yamamoto has made significant contributions to the field with his impressive portfolio of 138 patents. With a focus on phosphor technology and light-emitting equipment, Yamamoto's work has the potential to revolutionize various industries. Let us delve deeper into his latest patents, career highlights, collaborations, and the impact he has made in shaping technological advancements.

Latest Patents:

Yamamoto's latest patents reflect his expertise in phosphor and light-emitting equipment. One notable invention is the "Phosphor and Light-Emitting Equipment Using Phosphor" patent. This groundbreaking innovation introduces a CaAlSiNfamily crystal phase, incorporating elements such as Mn, Ce, Pr, Nd, Sm, Eu, Tb, Dy, Ho, Er, Tm, and Yb. By leveraging these elements, Yamamoto has paved the way for enhanced lighting solutions and novel applications across multiple industries.

Career Highlights:

Throughout his career, Hajime Yamamoto has worked with esteemed organizations such as Canon Kabushiki Kaisha and Hitachi Co., Ltd. These renowned companies have provided a platform for Yamamoto to develop and implement his ideas, leading to numerous technological breakthroughs. His collaboration with these industry leaders highlights his expertise and recognition within the field.

Collaborations:

Yamamoto's contributions have not been limited to individual research and development efforts. He has also collaborated with talented professionals, further strengthening his impact in the technological landscape. Two notable coworkers who have collaborated with Yamamoto are Eiichiro Shimizu and Kenji Kitabatake. These fruitful partnerships have yielded remarkable results and bolstered their collective expertise in the field of innovations and patents.

Conclusion:

Hajime Yamamoto stands as a pioneering figure in the world of innovations and patents. With remarkable accomplishments and an extensive patent portfolio of 138 inventions, he has undoubtedly made a lasting impact. Through his breakthroughs in phosphor and light-emitting equipment technology, Yamamoto has contributed to advancements that can shape the future of various industries. With his collaborations and esteemed career, his work continues to inspire and redefine the boundaries of technological possibilities.

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