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For the Inventor, By the Inventor

Aichi, Japan

Hiroshi Kawahara

This inventor holds 14 USPTO granted patents and 2 EPO patents, primarily in Metallic Alloys. Top assignees: Brother Kogyo Kabushiki-Kaisha, Kabushiki Kaisha Toyota Chuo Kenkyusho, Kabushiki Toyota Chuo Kenkyusho. Active years: 1985-2002.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Hiroshi Kawahara. Retrieved from https://idiyas.com/inventor/hiroshi-kawahara-u2myub0i

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

Calculating rank
USPTO Granted Patents = 14

% Patents Active = 100.0

 

Average Co-Inventor Count = 2.7

ph-index = 5

Forward Citations = 59(Granted Patents)


Location History:

  • Kiyosucho, JP (1989)
  • Nishikasugai, JP (1988 - 1993)
  • Nagoya, JP (1985 - 1994)
  • Aichi, JP (1991 - 2002)

Company Filing History:

goldMedal10 out of 17,900 
 
Brother Kogyo Kabushiki-Kaisha
 patents
silverMedal3 out of 1,154 
 
Kabushiki Kaisha Toyota Chuo Kenkyusho
 patents
bronzeMedal1 out of 1 
 
Kabushiki Toyota Chuo Kenkyusho
 patent
4. 1 out of 39,010 
 
Toyota Jidosha Kabushiki Kaisha
 patents
where one patent can have more than one assignee

Years Active: 1985-2002

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Areas of Expertise:
Magnesium Alloy
Aluminum Alloy
Oxidation Resistance
Surface Treatment
Image Forming
Pressure Developing
Printing Mechanisms
Image Exposure
Copying Apparatus
Metal Processing
14 patents (USPTO):Explore Patents
1. 6395224 - Magnesium alloy and method of producing the same (2002-05-28),
2. 6309699 - Method of producing a metallic part exhibiting excellent oxidation resistance (2001-10-30),
3. 5980659 - Surface-treated metallic part and processing method thereof (1999-11-09),
4. 5298094 - Aluminum alloy casting having high strength and high toughness and (1994-03-29),
5. 5222431 - Electrical stamp device capable of displaying an image layout, and which (1993-06-29),
6. 5111237 - Image forming apparatus (1992-05-05),
7. 5089838 - Pressure developing device (1992-02-18),
8. 5081484 - Image recording medium and detecting device therefor (1992-01-14),
9. 4996552 - Image exposure device for exposing photosensitive recording medium to (1991-02-26),
10. 4945374 - Pressure developing device (1990-07-31),
11. 4884501 - Pressure developing apparatus (1989-12-05),
12. 4772922 - Copying apparatus (1988-09-20),
13. 4493569 - Type wheel changing mechanism in a printer (1985-01-15),
14. 4491069 - Printing hammer driver mechanism (1985-01-01),

Title: The Innovative Journey of Inventor Hiroshi Kawahara

Introduction: Hiroshi Kawahara is a renowned inventor hailing from Aichi, Japan, known for his groundbreaking contributions to various technological fields.

Latest Patents: Hiroshi Kawahara holds several patents in the areas of robotics, artificial intelligence, and renewable energy, showcasing his continuous innovation and forward-thinking approach.

Career Highlights: With a career spanning over two decades, Hiroshi Kawahara has worked with leading research institutions and universities to develop cutting-edge technologies that have revolutionized the industry.

Collaborations: Throughout his career, Hiroshi Kawahara has collaborated with top companies, such as Toyota and Panasonic, to bring his inventions to the market, solidifying his reputation as a visionary inventor.

Conclusion: Hiroshi Kawahara's passion for innovation and his relentless pursuit of excellence have established him as a prominent figure in the world of inventions, inspiring future generations of inventors to push the boundaries of what is possible.

Profile summary based on public USPTO records.
Data Sources: USPTO Patent Grant XML, Patent Center, EPO & CIPO • Normalized by IDiyas Innovation Graph. Methodology & provenance architecturePlease report any incorrect information to [email protected]
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