logo

For the Inventor, By the Inventor

Sakai, Japan

Keiji Yoshimura

This inventor holds 5 USPTO granted patents. Top assignee: Daikin Industries, Ltd.. Active years: 2000-2009.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Keiji Yoshimura. Retrieved from https://idiyas.com/inventor/keiji-yoshimura-aqgq5boa

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

Calculating rank
USPTO Granted Patents = 5

% Patents Active = 80.0

Average Co-Inventor Count = 3.7

ph-index = 3

Forward Citations = 96(Granted Patents)


Location History:

  • Osaka, JP (2000)
  • Sakai, JP (2001 - 2009)

Company Filing History:

goldMedal5 out of 4,502 
 
Daikin Industries, Ltd.
 patents

Years Active: 2000-2009

Loading Chart...
5 patents (USPTO):Explore Patents
1. 7563510 - Fluid machinery (2009-07-21),
2. 6619062 - Scroll compressor and air conditioner (2003-09-16),
3. 6217301 - Scroll fluid machinery (2001-04-17),
4. 6135738 - Scroll compressor having a discharge port in the moveable scroll (2000-10-24),
5. 6095764 - Reverse rotation protection for a scroll compressor using a valve means (2000-08-01),

Title: Keiji Yoshimura: Innovator in Fluid Machinery

Introduction

Keiji Yoshimura is a prominent inventor based in Sakai, Japan. He has made significant contributions to the field of fluid machinery, particularly in the development of scroll compressors. With a total of 5 patents to his name, Yoshimura's work has had a substantial impact on the efficiency and functionality of air conditioning systems.

Latest Patents

Yoshimura's latest patents include innovative designs for scroll compressors. One notable patent involves a thrust ring mounted between a movable-side flat plate part of a movable scroll and a housing. This thrust ring supports a thrust load from the movable scroll, with a resinous coating primarily composed of fluorocarbon resin and polyamide-imide resin. The specific component percentage of the polyamide-imide resin is set between 65% and 85% by mass. Another patent details a scroll compressor that features an operating state detection part, a variable-speed motor, a control part, and an unloading mechanism for capacity control. This design enhances the operational efficiency of air conditioners, which incorporate the scroll compressor along with other essential components.

Career Highlights

Yoshimura is currently employed at Daikin Industries, Ltd., a leading company in the air conditioning and refrigeration industry. His work at Daikin has allowed him to focus on advancing technologies that improve energy efficiency and performance in climate control systems.

Collaborations

Throughout his career, Yoshimura has collaborated with notable colleagues, including Yoshitaka Shibamoto and Mikio Kajiwara. These collaborations have fostered a creative environment that encourages innovation and the development of cutting-edge technologies.

Conclusion

Keiji Yoshimura's contributions to fluid machinery and scroll compressor technology have established him as a key figure in the industry. His innovative patents and collaborative efforts continue to influence advancements in air conditioning systems.

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]
Loading…