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For the Inventor, By the Inventor

Isesaki, Japan

Kiyoshi Miyazawa

This inventor holds 12 USPTO granted patents. Top assignees: Sanden Corporation, Sanden Company, Sankyo Electric Co., Ltd.. Active years: 1982-2004.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Kiyoshi Miyazawa. Retrieved from https://idiyas.com/inventor/kiyoshi-miyazawa

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

USPTO Granted Patents = 12

% Patents Active = 91.7

Average Co-Inventor Count = 1.9

ph-index = 5

Forward Citations = 97(Granted Patents)


Location History:

  • Annaka, JP (1982 - 2002)
  • Isesaki, JP (2002 - 2004)

Company Filing History:

goldMedal10 out of 1,041 
 
Sanden Corporation
 patents
silverMedal1 out of 1 
 
Sanden Company
 patent
bronzeMedal1 out of 35 
 
Sankyo Electric Co., Ltd.
 patents

Years Active: 1982-2004

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12 patents (USPTO):Explore Patents
1. 6705204 - Swash plate-type (2004-03-16),
2. 6557454 - Compressor pistons (2003-05-06),
3. 6378417 - Swash plate compressor in which an opening edge of each cylinder bore has a plurality of chamferred portions (2002-04-30),
4. 6350106 - Variable displacement compressor with capacity control mechanism (2002-02-26),
5. D452252 - Piston for refrigerant compressor (2001-12-19),
6. 6318236 - Reciprocal motion type compressor having a piston in which strength is increased (2001-11-20),
7. D450060 - Pistons for a refrigerant compressor (2001-11-07),
8. D447150 - Piston for a refrigerant compressor (2001-08-29),
9. 6257120 - Swash plate type compressor in which a piston joint uses a rotational elliptical surface and a spherical surface opposite thereto (2001-07-10),
10. 5779461 - Scroll type fluid displacement apparatus having a control system of line (1998-07-14),
11. 4940342 - Compressor with a radial bearing for supporting a drive shaft (1990-07-10),
12. 4325683 - Scroll-type compressor with rotation prevention and anti-deflection means (1982-04-20),

Title: Kiyoshi Miyazawa: Innovator in Compressor Technology

Introduction

Kiyoshi Miyazawa is a notable inventor based in Isesaki, Japan, recognized for his contributions to compressor technology. With a total of 12 patents to his name, he has made significant advancements in the design and functionality of fluid displacement apparatuses.

Latest Patents

Miyazawa's latest patents include a swash plate-type compressor and innovative compressor pistons. The swash plate-type compressor features a cylinder block, a drive shaft, a swash plate, multiple pistons, and a pair of shoes. This design allows for efficient operation, with each piston reciprocating within its respective cylinder bore. The compressor pistons are designed with a head portion and a connecting portion, enhancing their strength and durability under high load conditions. This innovative design reduces the likelihood of cracks forming in critical areas, ensuring reliable performance.

Career Highlights

Throughout his career, Kiyoshi Miyazawa has worked with prominent companies such as Sanden Corporation and Sankyo Electric Co., Ltd. His experience in these organizations has allowed him to refine his skills and contribute to the development of advanced technologies in the field of compressors.

Collaborations

Miyazawa has collaborated with talented individuals in the industry, including Mitsuhiro Takashima and Shigemi Shimizu. These partnerships have fostered innovation and have been instrumental in the successful development of his patented technologies.

Conclusion

Kiyoshi Miyazawa's work in compressor technology exemplifies the spirit of innovation and dedication to improving mechanical systems. His patents reflect a deep understanding of engineering principles and a commitment to enhancing the efficiency of fluid displacement apparatuses.

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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