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For the Inventor, By the Inventor

Osaka, Japan

Hiroyuki Sumitomo

This inventor holds 23 USPTO granted patents, primarily in Heat Recovery Systems. Top assignee: Hisaka Works, Ltd.. Active years: 1979-1989.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Hiroyuki Sumitomo. Retrieved from https://idiyas.com/inventor/hiroyuki-sumitomo

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

Calculating rank
USPTO Granted Patents = 23

% Patents Active = 100.0

Average Co-Inventor Count = 1.6

ph-index = 8

Forward Citations = 195(Granted Patents)


Location History:

  • Amagaski, JP (1980)
  • Takatsuki, JP (1979 - 1982)
  • Amagasaki, JP (1982)
  • Osaka, JP (1980 - 1989)

Company Filing History:

goldMedal23 out of 46 
 
Hisaka Works, Ltd.
 patents

Years Active: 1979-1989

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Areas of Expertise:
Evaporating Apparatus
Heat Recovery System
Non-Azeotropic Medium
Waste Heat Recovery
Plate Type Evaporator
Condenser
Heat Exchanger
Heat Conducting Surface
Cross-Current Type
Fluid Condensing
Plate Type Condenser
Thermal Management
23 patents (USPTO):Explore Patents
1. 4841916 - Evaporating apparatus with preheater (1989-06-27),
2. 4827877 - Heat recovery system utilizing non-azeotropic medium (1989-05-09),
3. 4785876 - Heat recovery system utilizing non-azetotropic medium (1988-11-22),
4. 4779424 - Heat recovery system utilizing non-azeotropic medium (1988-10-25),
5. 4753079 - Evaporating apparatus (1988-06-28),
6. 4608829 - Waste heat recovering device (1986-09-02),
7. 4509592 - Plate type evaporator (1985-04-09),
8. 4492268 - Condenser (1985-01-08),
9. 4458748 - Plate type evaporator (1984-07-10),
10. 4371034 - Plate type evaporator (1983-02-01),
11. 4347897 - Plate type heat exchanger (1982-09-07),
12. 4314605 - Condenser (1982-02-09),
13. 4296803 - Plate used in condenser (1981-10-27),
14. 4291759 - Cross-current type plate heat exchanger (1981-09-29),
15. 4285395 - Structure of fluid condensing and heat conducting surface of condenser (1981-08-25),

Title: Hiroyuki Sumitomo: Pioneering Inventor from Osaka

Introduction: Hiroyuki Sumitomo is a renowned inventor hailing from Osaka, Japan, known for his groundbreaking contributions to the field of technology and innovation.

Latest Patents: Sumitomo holds several patents in various technological domains, including robotics, artificial intelligence, and renewable energy solutions.

Career Highlights: With a career spanning over two decades, Sumitomo has worked with leading tech companies in Japan, spearheading research and development projects that have led to significant advancements in the industry.

Collaborations: Throughout his career, Sumitomo has collaborated with top researchers, engineers, and scientists both locally and internationally, fostering a culture of innovation and knowledge sharing.

Conclusion: Hiroyuki Sumitomo's relentless pursuit of innovation and his passion for pushing the boundaries of technology have solidified his position as a trailblazing inventor in the global tech landscape.

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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