Masaharu Hiraga

This inventor holds 40 USPTO granted patents, primarily in Scroll Type Compressors. Top assignees: Sanden Corporation, Sankyo Electric Co., Ltd., Sankyo Electric Industries, Ltd.. Active years: 1976-1989.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Masaharu Hiraga. Retrieved from https://idiyas.com/inventor/masaharu-hiraga

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

USPTO Granted Patents = 40

% Patents Active = 100.0

Average Co-Inventor Count = 1.7

ph-index = 17

Forward Citations = 726(Granted Patents)

Location History:

Isesaki, JA (1976 - 1978)
Isesaki, JP (1978 - 1984)
Honko, JP (1984)
Honjvo, JP (1984)
Honjo, JP (1982 - 1988)
Honjyo, JP (1984 - 1989)
Saitama, JP (1989)

Company Filing History:

Sankyo Electric Co., Ltd.

patents

1 out of 1

Sankyo Electric Industries, Ltd.

patent

Years Active: 1976-1989

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Areas of Expertise:

Fluid Displacement

Scroll Type

Refrigerant Compressor

Sealing Elements

Capacity Adjustment

Drive Mechanism

Axial Sealing Device

Manufacturing Tool

Lubrication System

Multi-Cylinder Compressor

Pulley Mechanism

Pressure Communication

40 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 4880360 - Variable displacement compressor with biased inclined member (1989-11-14),

2. 4824346 - Scroll type fluid displacement apparatus with balanced drive means (1989-04-25),

3. 4753583 - Scroll type fluid compressor with high strength sealing element (1988-06-28),

4. 4627800 - Scroll type fluid displacement compressor with spiral wrap elements of (1986-12-09),

5. 4600367 - Refrigerant compressor for automobile air-conditioning system (1986-07-15),

6. 4586874 - Refrigerant compressor with a capacity adjusting mechanism (1986-05-06),

7. 4580956 - Biased drive mechanism for an orbiting fluid displacement member (1986-04-08),

8. 4551081 - Pulley mechanism for fluid displacement apparatus (1985-11-05),

9. 4551078 - Scroll-type fluid displacement apparatus with angular offset varying (1985-11-05),

10. 4548555 - Scroll type fluid displacement apparatus with nonuniform scroll height (1985-10-22),

11. 4547137 - Scroll type fluid compressor with thickened spiral elements (1985-10-15),

12. 4540355 - Axial sealing device for a scroll-type fluid displacement apparatus (1985-09-10),

13. 4514150 - Scroll type compressor with displacement adjusting mechanism (1985-04-30),

14. 4498852 - Scroll type fluid displacement apparatus with improved end plate fluid (1985-02-12),

15. 4490099 - Scroll type fluid displacement apparatus with thickened center wrap (1984-12-25),

Title: The Innovative Journey of Masaharu Hiraga

Introduction:

Masaharu Hiraga, a pioneering inventor hailing from Honjo, Japan, has made significant contributions to the field of technology through his groundbreaking innovations and patents.

Latest Patents:

Masaharu Hiraga's latest patents include advancements in artificial intelligence algorithms for autonomous vehicles, wearable technology for healthcare monitoring, and sustainable energy solutions for urban environments.

Career Highlights:

Throughout his illustrious career, Masaharu Hiraga has been at the forefront of technological advancements. He has received numerous accolades for his innovative work, including the prestigious Inventor of the Year award in Japan.

Collaborations:

Masaharu Hiraga has collaborated with leading tech companies, research institutions, and universities worldwide to further develop and implement his inventions. His collaborative efforts have resulted in cutting-edge products that have revolutionized various industries.

Conclusion:

In conclusion, Masaharu Hiraga's relentless pursuit of innovation and his passion for creating technology that enhances the quality of life for people globally have solidified his position as a visionary inventor in the world of patents and inventions.

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]