Tokyo, Japan

Hiroshi Okada

USPTO Granted Patents = 82 


 

Average Co-Inventor Count = 2.9

ph-index = 14

Forward Citations = 603(Granted Patents)

Forward Citations (Not Self Cited) = 596(Oct 12, 2025)


Inventors with similar research interests:


Location History:

  • Sagamihara, JP (1985)
  • Tokyo-To, JP (2006)
  • Souka, JP (2006 - 2008)
  • Mooka, JP (2010)
  • Setagaya-ku, JP (2009 - 2012)
  • Nirasaki, JP (2012 - 2013)
  • Moka, JP (2014)
  • Miyagi, JP (2013 - 2016)
  • Yokohama, JP (1996 - 2020)
  • Shanghai, CN (2020)
  • Kanagawa, JP (1985 - 2023)
  • Tokyo, JP (1987 - 2024)

Company Filing History:

goldMedal29 out of 58,129 
 
Sony Corporation
 patents
silverMedal12 out of 335 
 
Senju Metal Industry Co., Ltd.
 patents
bronzeMedal7 out of 1,357 
 
Mitsubishi Rayon Company, Limited
 patents
45 out of 6,648 
 
Kyocera Corporation
 patents
54 out of 2,630 
 
The Furukawa Electric Co., Ltd.
 patents
64 out of 2,874 
 
Hitachi-high-technologies Corporation
 patents
73 out of 815 
 
Mitsui Mining & Smelting Company, Ltd.
 patents
82 out of 13,395 
 
Nissan Motor Company Limited
 patents
92 out of 2,208 
 
Fuji Jukogyo Kabushiki Kaisha
 patents
102 out of 4,979 
 
Oki Electric Industry Co., Ltd.
 patents
111 out of 2,335 
 
Sony Electronics Inc
 patents
121 out of 126 
 
Bandai Co., Ltd.
 patents
131 out of 53 
 
Freund Industrial Co., Ltd.
 patents
141 out of 242 
 
Ohi Seisakusho Co., Ltd.
 patents
151 out of 1,875 
 
Oki Data Corporation
 patents
161 out of 1 
 
Mitsui Mining and Smelting Co., Ltd. (nirasaki Factory)
 patent
171 out of 10,295 
 
Tokyo Electron Limited
 patents
181 out of 1,801 
 
Fujikura Limited
 patents
195 out of 832,680 
Other
 patents
where one patent can have more than one assignee

Years Active: 1985-2025

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82 patents (USPTO):

Title: Hiroshi Okada: A Trailblazer in Innovative Patents

Introduction

Hiroshi Okada, an esteemed inventor based in Tokyo, Japan, has made significant contributions to the world of technology with an impressive portfolio of 81 patents. His work focuses on advancements in thermal management solutions and electronic components, showcasing his commitment to innovation.

Latest Patents

Among Hiroshi Okada's latest inventions is the vapor chamber with a multilayer wick. This vapor chamber consists of a container with a hollow cavity formed by two plate-shaped members layered together. It encloses a working fluid and features a wick structure that includes a first wick part and a second wick part, each designed with specific dimensions to optimize performance.

Another notable patent is for a core material that incorporates a solder layer made from a (Sn—Bi)-based solder alloy. This core material includes a core surrounded by a solder layer and a Sn layer, with precise concentration ratios of Bi for enhanced functionality. These innovations reflect Okada's expertise in enhancing electronic component efficiency.

Career Highlights

Hiroshi Okada has had a remarkable career, including positions at renowned companies such as Sony Corporation and Senju Metal Industry Co., Ltd. His time at these organizations has not only expanded his skill set but also allowed him to contribute to significant technological breakthroughs.

Collaborations

Throughout his career, Okada has collaborated with talented individuals, including notable coworkers Takao Takahashi and Yoichiro Sako. Their combined expertise and creativity have led to pioneering advancements in the field, further highlighting Okada's influence in technology.

Conclusion

Hiroshi Okada stands out as a leading innovator with a wealth of patents that demonstrate his remarkable engineering capabilities. His contributions continue to pave the way for advancements in thermal management and electronic components, solidifying his reputation in the realm of innovation.

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