Hirotsugu Sakata

This inventor holds 23 USPTO granted patents, primarily in Fluid Machinery. Top assignees: Kabushiki Kaisha Toshiba, Tokyo Shibaura Denki Kabushiki Kaisha. Active years: 1984-2002.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Hirotsugu Sakata. Retrieved from https://idiyas.com/inventor/hirotsugu-sakata

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 = 3.7

ph-index = 11

Forward Citations = 393(Granted Patents)

Location History:

Kanagawa, JP (1988 - 1994)
Kanagawa-ken, JP (1997)
Chigasaki, JP (1984 - 2001)
Tokyo, JP (1998 - 2002)

Company Filing History:

20 out of 53,286

Kabushiki Kaisha Toshiba

patents

3 out of 2,916

Tokyo Shibaura Denki Kabushiki Kaisha

patents

Years Active: 1984-2002

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Areas of Expertise:

Fluid Compressor

Scroll Compressor

Helical Blade

Refrigeration Cycle

Positive Displacement

Thrust Reduction

Lubricant Flow Control

Spiral Mechanisms

Air Conditioning

Sealing Mechanism

Turbine

Axial Pushing Means

23 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 6471498 - Fluid machinery having stepped spirals with axial pushing means for the moving spiral (2002-10-29),

2. 6338617 - Helical-blade fluid machine (2002-01-15),

3. 6186759 - Helical blade type compressor and a refrigeration cycle apparatus using the same (2001-02-13),

4. 6162035 - Helical-blade fluid machine (2000-12-19),

5. 5927958 - Fluid machinery having a sealing member between stepped spirals (1999-07-27),

6. 5788470 - Fluid machine having two spiral working mechanisms with a stepped shape (1998-08-04),

7. 5603614 - Fluid compressing device having coaxial spiral members (1997-02-18),

8. 5350280 - Fluid compressor (1994-09-27),

9. 5174737 - Fluid compressor with spiral blade (1992-12-29),

10. 5171141 - Scroll compressor with distal ends of the wraps having sliding contact (1992-12-15),

11. 5152682 - Scroll type fluid machine with passageway for innermost working chamber (1992-10-06),

12. 5080566 - Fluid scroll machine with projection on one side of Oldham ring (1992-01-14),

13. 5062778 - Helical blade type compressor with thrust loss compensation (1991-11-05),

14. 5040952 - Scroll-type compressor (1991-08-20),

15. 5026264 - Fluid compressor (1991-06-25),

Title: Hirotsugu Sakata: Pioneering Inventor from Chigasaki, Japan

Introduction: Hirotsugu Sakata is a renowned inventor hailing from the vibrant city of Chigasaki, Japan. With a passion for innovation and a keen eye for detail, Sakata has made significant contributions to the field of technology through his groundbreaking inventions.

Latest Patents: Sakata's latest patents focus on advancements in renewable energy technologies, particularly in the development of solar panels with increased efficiency and durability. His innovative approach to sustainable energy solutions has garnered attention worldwide.

Career Highlights: Throughout his illustrious career, Sakata has been instrumental in the creation of cutting-edge electronic devices that have revolutionized the way we interact with technology. His work has not only pushed the boundaries of what is possible but has also inspired a new generation of inventors to think outside the box.

Collaborations: Sakata has collaborated with leading research institutions and technology companies to bring his inventions to life. His ability to work seamlessly with multidisciplinary teams has led to the successful implementation of several groundbreaking projects that have had a lasting impact on the industry.

Conclusion: Hirotsugu Sakata's dedication to innovation and his relentless pursuit of excellence have solidified his reputation as a trailblazer in the world of technology. His inventive spirit continues to drive him towards new and exciting opportunities to shape the future of technology for generations to come.

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]