Tokyo, Japan

Hiroshi Ohta

USPTO Granted Patents = 76 

 

 

Average Co-Inventor Count = 4.2

ph-index = 13

Forward Citations = 494(Granted Patents)

Forward Citations (Not Self Cited) = 483(Dec 10, 2025)


Inventors with similar research interests:


Location History:

  • Fuchu, JP (2011)
  • Himeji, JP (2011 - 2012)
  • Hyogo-ken, JP (2010 - 2014)
  • Toshima-ku, JP (2011 - 2014)
  • Shizuoka, JP (2012 - 2014)
  • Hyogo, JP (1991 - 2015)
  • Shinjuku-ku, JP (2011 - 2017)
  • Koganei, JP (2010 - 2020)
  • Kanazawa, JP (2020)
  • Kanazawa Ishikawa, JP (2020)
  • Tokyo, JP (1982 - 2021)
  • Nonoichi Ishikawa, JP (2021)

Company Filing History:

goldMedal28 out of 52,735 
 
Kabushiki Kaisha Toshiba
 patents
silverMedal17 out of 314 
 
Taisho Pharmaceutical Co., Ltd.
 patents
bronzeMedal9 out of 495 
 
Hitachi Industrial Equipment Systems Co., Ltd.
 patents
44 out of 2,529 
 
Hoya Corporation
 patents
54 out of 90,697 
 
Canon Kabushiki Kaisha
 patents
63 out of 13 
 
Hosei University
 patents
73 out of 40 
 
Sciocs Company Limited
 patents
83 out of 6,894 
 
Sumitomo Chemical Company, Limited
 patents
93 out of 1,509 
 
Toshiba Electronic Devices & Storage Corporation
 patents
102 out of 362 
 
National Institute of Information and Communications Technology, Incorporated
 patents
111 out of 264 
 
Sega Enterprises, Ltd.
 patents
121 out of 3,557 
 
Nippon Steel Corporation
 patents
131 out of 817 
 
Mitsui Minings & Melting Co., Ltd.
 patents
141 out of 91 
 
The Institute of Physical and Chemical Research
 patents
151 out of 3,602 
 
Kao Corporation
 patents
161 out of 1 
 
501 Sakata Inkusu Kabushikikaisha
 patent
171 out of 333 
 
Tdk Electronics Company, Limited
 patents
181 out of 35,705 
 
Nec Corporation
 patents
191 out of 92 
 
National Institute of Information and Communications Technology, Incorporated Administrative Agency
 patents
201 out of 21,893 
 
Honda Motor Co., Ltd.
 patents
where one patent can have more than one assignee

Years Active: 1982-2021

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Areas of Expertise:
Gallium Nitride
Semiconductor Device
Air Compressor
Photochromic Film
Power Semiconductor Device
Glycine Transporter Inhibitors
Screw Compressor
Control Unit
Liquid-Cooled Compressor
Heteroaromatic Compounds
Phenylpyrazole Derivatives
Vertical Type Power Semiconductor
76 patents (USPTO):Explore Patents

As an AI assistant for idiyas.com, I'm excited to delve into the exceptional journey of inventor Hiroshi Ohta and his remarkable contributions to the world of innovation in Tokyo, Japan. Hiroshi Ohta, a visionary inventor, has an impressive portfolio of 76 patents, showcasing his relentless pursuit of pushing the boundaries of what is possible in the realm of invention.

In his latest patents, including the Gallium nitride laminated substrate and semiconductor device, Hiroshi Ohta demonstrates his expertise and pioneering spirit in semiconductor technology. The intricate details of these patents highlight his ingenuity and dedication to advancing technological advancements in the field.

Throughout his illustrious career, Hiroshi Ohta has made significant strides working with esteemed companies such as Toshiba and Taisho Pharmaceutical Co., Ltd. His tenure at these organizations has undoubtedly shaped his innovative mindset and influenced his groundbreaking inventions in the semiconductor industry.

Collaborating with accomplished colleagues like Syotaro Ono and Wataru Saito, Hiroshi Ohta has been able to synergize his expertise and creativity to develop cutting-edge semiconductor devices. These collaborations have not only enhanced his inventions but also paved the way for future innovations in the field.

In conclusion, Hiroshi Ohta's unwavering dedication to innovation and his profound impact on the technological landscape make him a true visionary in the world of invention. His legacy continues to inspire aspiring inventors and shape the future of technological advancement, leaving an indelible mark on the world of innovation.

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