Tsukuba, Japan

Hiroshi Harada


 

Average Co-Inventor Count = 3.4

ph-index = 15

Forward Citations = 698(Granted Patents)

Forward Citations (Not Self Cited) = 685(Oct 12, 2025)


Inventors with similar research interests:


Location History:

  • Shizuoka-shi, Shizuoka-ken JP (1988)
  • Takaishi, JP (1981 - 1989)
  • Toyonaka, JP (1992 - 1995)
  • Ehime, JP (1999)
  • Minoo, JP (2001 - 2003)
  • Nishitokyo, JP (2005)
  • Suita, JP (1998 - 2006)
  • Osaka, JP (1987 - 2011)
  • Ageo, JP (2012 - 2014)
  • Tsukuba, JP (1995 - 2017)
  • Singapore, SG (2015 - 2017)
  • Ibaraki, JP (1983 - 2020)

Company Filing History:

goldMedal27 out of 6,892 
 
Sumitomo Chemical Company, Limited
 patents
silverMedal18 out of 548 
 
National Institute for Materials Science
 patents
bronzeMedal7 out of 998 
 
Shionogi & Company Limited
 patents
45 out of 129 
 
Dainippon Pharmaceutical Company, Limited
 patents
55 out of 630 
 
Dainippon Ink and Chemicals, Incorporated
 patents
65 out of 104 
 
National Research Institute for Metals
 patents
72 out of 341 
 
Ishikawajima-harima Heavy Industries Co., Ltd.
 patents
82 out of 10 
 
Fuji Seal, Inc.
 patents
92 out of 1,140 
 
Ihi Corporation
 patents
101 out of 1,838 
 
Toyota Jidosha Kogyo Kabushiki Kaisha
 patents
111 out of 37 
 
The Toyo Rubber Industry Co., Ltd.
 patents
121 out of 651 
 
Mitsubishi Hitachi Power Systems, Ltd.
 patents
131 out of 52,711 
 
Kabushiki Kaisha Toshiba
 patents
141 out of 1 
 
Mitsubishi Heavy Indsutries, Ltd.
 patent
151 out of 21,831 
 
Honda Motor Co., Ltd.
 patents
161 out of 377 
 
Japan Synthetic Rubber Co., Ltd.
 patents
171 out of 2 
 
Nissin Giken Co., Ltd.
 patents
181 out of 40 
 
Mercian Corporation
 patents
191 out of 140 
 
Dainippon Sumitomo Pharma Co., Ltd.
 patents
203 out of 832,680 
Other
 patents
where one patent can have more than one assignee

Years Active: 1981-2020

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75 patents (USPTO):

Title: The Innovative Journey of Hiroshi Harada: A Pioneer in Recycling Ni-based Superalloy Parts

Introduction:

Hiroshi Harada, a visionary inventor based in Tsukuba, Japan, has left an indelible mark on the world of technology and innovation. With a whopping 75 patents to his name, Harada is celebrated for his groundbreaking work in recycling Ni-based superalloy parts and creating nickel-based heat-resistant superalloys.

Latest Patents:

Harada's recent patents include the revolutionary "Ni-based superalloy part recycling method," which details a process for recycling single crystal superalloy parts with thermal barrier coatings. This method reduces recycling costs and enhances the efficiency of gas turbine engines. Another notable invention is the "Nickel-based heat-resistant superalloy," boasting specific composition ratios and undergoing precise heat treatment for superior performance.

Career Highlights:

Throughout his illustrious career, Hiroshi Harada has contributed his expertise to esteemed companies such as Sumitomo Chemical Company, Limited, and the National Institute for Materials Science. His innovative spirit and dedication to advancing materials science have led to significant advancements in the field of metallurgy and aerospace engineering.

Collaborations:

Harada has collaborated with distinguished colleagues like Toshiharu Kobayashi and Yutaka Koizumi, pooling their collective knowledge and experience to drive innovation forward. Together, they have pioneered new techniques and materials that have reshaped the landscape of superalloy manufacturing.

Conclusion:

In conclusion, Hiroshi Harada stands as a beacon of innovation, with his inventive spirit and dedication to creating a better future through technology. His impact on the world of inventions is truly remarkable, inspiring generations to come. Hiroshi Harada's contributions to the field of materials science and engineering continue to pave the way for sustainable and efficient solutions in the aerospace industry and beyond.

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