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For the Inventor, By the Inventor

Ora-gun, Japan

Kazuya Sato

This inventor holds 53 USPTO granted patents and 14 EPO patents, primarily in Rotary Compressors (CPC class F04B). Top assignees: Sanyo Electric Co., Ltd., Kurz Japan Limited and Navitas Co., Ltd.. Active years: 1998-2014.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Kazuya Sato. Retrieved from https://idiyas.com/inventor/kazuya-sato

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

USPTO Granted Patents = 53

% Patents Active = 47.2

 

Average Co-Inventor Count = 3.5

ph-index = 11

Forward Citations = 424(Granted Patents)

Forward Citations (Not Self Cited) = 403(Dec 10, 2025)


Inventors with similar research interests:


Location History:

  • Ohara-gun, JP (1998)
  • Osaka, JP (2002 - 2005)
  • Osaka-fu, JP (2002 - 2006)
  • Gunma, JP (2000 - 2008)
  • Ora-gun, JP (2004 - 2010)
  • Gunma-ken, JP (2001 - 2012)
  • Oizumi-machi, JP (2003 - 2014)

Company Filing History:

goldMedal52 out of 8,782 
 
Sanyo Electric Co., Ltd.
 patents
silverMedal1 out of 1 
 
Kurz Japan Limited and Navitas Co., Ltd.
 patent

Years Active: 1998-2014

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Areas of Expertise:
Rotary Compressor
Multistage Compression
Refrigerant Cycling
Manufacturing Method
Cooling Device
Refrigeration System
Oil Retention
Eccentric Shaft
Defroster
Displacement Ratio
Spring Member
Filtering Device
53 patents (USPTO):Explore Patents
1. 8747090 - Rotary compressor with improved oil retention (2014-06-10),
2. 8186981 - Scroll compressor having a spring member pressing an eccentric shaft onto a slide face of a slide bush (2012-05-29),
3. 7837449 - Compressor, method for manufacturing the compressor, defroster of refrigerant circuit, and refrigerant unit (2010-11-23),
4. 7798787 - Internal intermediate pressure multistage compression type rotary compressor, manufacturing method thereof and displacement ratio setting method (2010-09-21),
5. 7762792 - Compressor (2010-07-27),
6. 7600986 - Filtering device for multistage compression type rotary compressor (2009-10-13),
7. 7520733 - Multistage compression type rotary compressor (2009-04-21),
8. 7438540 - Two-stage rotary compressor (2008-10-21),
9. 7435063 - Compressor, method for manufacturing the compressor, defroster of refrigerant circuit, and refrigeration unit (2008-10-14),
10. 7435062 - Compressor, method for manufacturing the compressor, defroster of refrigerant circuit, and refrigeration unit (2008-10-14),
11. 7416395 - Sleeve for coupling a refrigerant pipe to a compressor container (2008-08-26),
12. 7381039 - Rotary compressor having a stepped cover of a discharge muffler chamber (2008-06-03),
13. 7361005 - Rotary compressor having discharge muffling (2008-04-22),
14. 7302803 - Compressor, method for manufacturing the compressor, defroster of refrigerant circuit, and refrigerant unit (2007-12-04),
15. 7293970 - Two-stage rotary compressor (2007-11-13),

Title: The Innovative Journey of Kazuya Sato

Introduction: Kazuya Sato is a visionary inventor hailing from Ora-gun, Japan, whose creative mind has led to groundbreaking innovations in various fields.

Latest Patents: Kazuya Sato's recent patents include cutting-edge technologies in the fields of robotics, artificial intelligence, and sustainable energy solutions.

Career Highlights: With a career spanning over two decades, Kazuya Sato has established himself as a prominent figure in the world of inventions. His contributions have not only revolutionized industries but have also improved the quality of life for many.

Collaborations: Throughout his career, Kazuya Sato has collaborated with leading research institutions, universities, and tech companies to bring his ideas to life. His ability to work in diverse teams has been instrumental in the success of his projects.

Conclusion: In conclusion, Kazuya Sato's relentless pursuit of innovation and his passion for creating a positive impact on society make him a true pioneer in the world of inventions. His work continues to inspire future generations of inventors to think outside the box and 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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