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For the Inventor, By the Inventor

Tokyo, Japan

Shuzabu Sakaguchi

This inventor holds 7 USPTO granted patents. Top assignee: Mitsubishi Gas Chemical Company, Inc.. Active years: 1982-1993.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Shuzabu Sakaguchi. Retrieved from https://idiyas.com/inventor/shuzabu-sakaguchi

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

USPTO Granted Patents = 7

% Patents Active = 100.0

Average Co-Inventor Count = 4.6

ph-index = 2

Forward Citations = 9(Granted Patents)


Location History:

  • Matsudo, JP (1982)
  • Ibaraki, JP (1986 - 1988)
  • Tokyo, JP (1991 - 1993)

Company Filing History:

goldMedal7 out of 2,304 
 
Mitsubishi Gas Chemical Company, Inc.
 patents

Years Active: 1982-1993

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7 patents (USPTO):Explore Patents
1. 5187311 - Methylthiophenol derivatives and p-methylthiophenyl chloroformates and (1993-02-16),
2. 5149857 - Process for production of sulfonium compounds (1992-09-22),
3. 5075476 - Process for production of sulfonium compounds and novel methylthiphenol (1991-12-24),
4. 4751326 - Process for producing benzophenone-azine (1988-06-14),
5. 4727190 - Process for preparing benzophenone-azines (1988-02-23),
6. 4628119 - Process for preparing hydrazine hydrohalogenide (1986-12-09),
7. 4347383 - Process for producing benzophenone-azines (1982-08-31),

Title: Shuzabu Sakaguchi: Innovator in Chemical Derivatives

Introduction

Shuzabu Sakaguchi is a prominent inventor based in Tokyo, Japan. He has made significant contributions to the field of chemistry, particularly in the development of novel chemical derivatives. With a total of 7 patents to his name, Sakaguchi's work has had a notable impact on various applications in the chemical industry.

Latest Patents

Sakaguchi's latest patents include innovative compounds such as methylthiophenol derivatives and p-methylthiophenyl chloroformates. He has also developed novel methylthiophenol derivatives characterized by specific formulas, where R can be a variety of groups including tert-butyloxy and tert-amyloxy. Additionally, he has created a process for producing sulfonium compounds through the reaction of alkylthiophenol derivatives and dialkyl sulfate.

Career Highlights

Sakaguchi is currently associated with Mitsubishi Gas Chemical Company, Inc., where he continues to push the boundaries of chemical research and development. His work has not only advanced the understanding of chemical derivatives but has also paved the way for new applications in various industries.

Collaborations

Throughout his career, Sakaguchi has collaborated with notable colleagues such as Osamu Aoki and Mutsuhiko Takeda. These partnerships have fostered a collaborative environment that enhances innovation and research in their field.

Conclusion

Shuzabu Sakaguchi's contributions to the field of chemistry through his patents and collaborations highlight his role as a key innovator. His work continues to influence the development of new chemical compounds and processes, showcasing the importance of innovation in the chemical 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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