Seiichiro Yoshinaga

This inventor holds 11 USPTO granted patents and 5 published patent applications and 3 EPO patents. Top assignees: Daikin Industries, Ltd., Ihi Corporation. Active years: 2012-2026.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Seiichiro Yoshinaga. Retrieved from https://idiyas.com/inventor/seiichiro-yoshinaga

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

Calculating rank

USPTO Granted Patents = 11 (Patent Applications = 5)

% Patents Active = 63.6

EPO Patents = 3 (Patent Applications = 8)

Average Co-Inventor Count = 3.3

ph-index = 2

Forward Citations = 13(Granted Patents)

Company Filing History:

5 out of 4,497

Daikin Industries, Ltd.

where one patent can have more than one assignee

Years Active: 2012-2026

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11 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 12546323 - Compressor with curved passage (2026-02-10),

2. 12345293 - Thrust foil bearing (2025-07-01),

3. 10234175 - Turbo refrigerator (2019-03-19),

4. 10030665 - Liquid level indicator, turbo compressor, and turbo refrigerator (2018-07-24),

5. 9822789 - Turbo compressor and turbo refrigerator (2017-11-21),

6. 9739289 - Turbo-compressor (2017-08-22),

7. 9664200 - Turbo compressor and turbo refrigerator (2017-05-30),

8. 8262350 - Heat insulating structure for expansion turbine, and method of manufacturing the same (2012-09-11),

9. 8257026 - Expansion turbine (2012-09-04),

10. 8231339 - Expansion turbine having a variable nozzle mechanism (2012-07-31),

11. 8113769 - Expansion turbine having a variable nozzle mechanism (2012-02-14),

Title: Innovations of Seiichiro Yoshinaga

Introduction

Seiichiro Yoshinaga is a prominent inventor based in Tokyo, Japan. He has made significant contributions to the field of engineering, particularly in the development of advanced mechanical systems. With a total of 11 patents to his name, Yoshinaga has established himself as a key figure in innovation.

Latest Patents

Yoshinaga's latest patents include the thrust foil bearing and the turbo refrigerator. The thrust foil bearing features a base plate with an insertion hole for a shaft, a supporting surface, a step member, and a back foil that provides support in a unique configuration. The turbo refrigerator is designed with a turbo compressor, an oil cooling unit, and a refrigerant introduction part that enhances the efficiency of the cooling process.

Career Highlights

Throughout his career, Yoshinaga has worked with notable companies such as Daikin Industries and IHI Corporation. His experience in these organizations has allowed him to refine his skills and contribute to groundbreaking projects in the field of refrigeration and mechanical engineering.

Collaborations

Yoshinaga has collaborated with talented individuals like Kentarou Oda and Nobuyoshi Sakuma. These partnerships have fostered innovation and led to the successful development of various technologies.

Conclusion

Seiichiro Yoshinaga's work exemplifies the spirit of innovation in engineering. His patents and collaborations reflect his commitment to advancing technology and improving mechanical systems.

Profile summary based on public USPTO records.