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For the Inventor, By the Inventor

Saitama, Japan

Satoshi Yoshikawa

This inventor holds 13 USPTO granted patents and 2 EPO patents. Top assignee: Central Glass Company, Limited. Active years: 1990-2025.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Satoshi Yoshikawa. Retrieved from https://idiyas.com/inventor/satoshi-yoshikawa-jmlzjo12

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

USPTO Granted Patents = 13

% Patents Active = 84.6


Average Co-Inventor Count = 3.6

ph-index = 6

Forward Citations = 255(Granted Patents)


Location History:

  • Kawagoe, JP (1998)
  • Moroyama, JP (2000 - 2001)
  • Iruma-gun, JP (2015)
  • Saitama, JP (1990 - 2016)

Company Filing History:

goldMedal13 out of 1,011 
 
Central Glass Company, Limited
 patents

Years Active: 1990-2025

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13 patents (USPTO):Explore Patents
1. 12448343 - Method for purifying (hydro)halocarbon by reduced pressure distillation from azeotropic or azeotropic-like composition (2025-10-21),
2. 9359274 - Method for producing 1,3,3,3-tetrafluoropropene (2016-06-07),
3. 9221732 - Method for separating 1-chloro-3,3,3-trifluoropropene and hydrogen fluoride, and method for producing 1-chloro-3,3,3-trifluoropropene by using same (2015-12-29),
4. 9079819 - Method for producing cis-1,3,3,3-tetrafluoropropene (2015-07-14),
5. 9051231 - Process for producing 1,3,3,3-tetrafluoropropene (2015-06-09),
6. 8987533 - Production method for 1-chloro-3,3,3-trifluoropropene (2015-03-24),
7. 6316681 - Method for producing 1,1,1,3,3-pentafluoropropane (2001-11-13),
8. 6235951 - Method for producing 1,1,1,3,3-pentafluoropropane (2001-05-22),
9. 6198010 - Method for producing 1,1,1,3,3-pentafluoropropane (2001-03-06),
10. 6111150 - Method for producing 1,1,1,3,3,-pentafluoropropane (2000-08-29),
11. 5756869 - Method of preparing hydrofluorocarbon (1998-05-26),
12. 4996379 - Method of preparing 1,1,1,2-tetrafluoroethane from (1991-02-26),
13. 4910352 - Method of preparing 1,1,1-trifluoro-2,2-dichloroethane from (1990-03-20),

Title: Satoshi Yoshikawa: Innovator in Hydrocarbon Purification

Introduction

Satoshi Yoshikawa is a prominent inventor based in Saitama, Japan. He has made significant contributions to the field of hydrocarbon purification, holding a total of 13 patents. His innovative methods have advanced the production and purification processes of (hydro)halocarbons.

Latest Patents

One of his latest patents is a method for purifying (hydro)halocarbon by reduced pressure distillation from azeotropic or azeotropic-like compositions. This method involves purifying the (hydro)halocarbon through reduced-pressure distillation, which includes a compound different from the (hydro)halocarbon. Another notable patent is for producing 1,3,3,3-tetrafluoropropene, which involves a dehydrofluorination reaction of 1,1,1,3,3-pentafluoropropane in the gas phase, utilizing a catalyst under specific pressure and temperature conditions.

Career Highlights

Satoshi Yoshikawa is currently employed at Central Glass Company, Limited, where he continues to develop innovative solutions in his field. His work has been instrumental in enhancing the efficiency of hydrocarbon production processes.

Collaborations

He has collaborated with notable coworkers, including Fuyuhiko Sakyu and Yasuo Hibino, contributing to various projects that aim to improve hydrocarbon purification techniques.

Conclusion

Satoshi Yoshikawa's contributions to the field of hydrocarbon purification through his innovative patents and collaborative efforts highlight his importance as an inventor. His work continues to influence advancements in the industry.

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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