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For the Inventor, By the Inventor

Tokyo, Japan

Toyohiko Kobayashi

This inventor holds 5 USPTO granted patents. Top assignees: Takasago International Corporation, Sansho Co., Ltd.. Active years: 1993-1999.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Toyohiko Kobayashi. Retrieved from https://idiyas.com/inventor/toyohiko-kobayashi

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

USPTO Granted Patents = 5

% Patents Active = 100.0

Average Co-Inventor Count = 4.4

ph-index = 3

Forward Citations = 110(Granted Patents)


Location History:

  • Tokyo, JP (1993 - 1996)
  • Kanagawa, JP (1999)

Company Filing History:

goldMedal5 out of 511 
 
Takasago International Corporation
 patents
silverMedal1 out of 10 
 
Sansho Co., Ltd.
 patents
where one patent can have more than one assignee

Years Active: 1993-1999

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5 patents (USPTO):Explore Patents
1. 5959161 - Method for producing para-menthane-3,8-diol (1999-09-28),
2. 5574152 - 4-(1,1-dialkoxycarbonylalkyl) azetidin-2-one derivative and process for (1996-11-12),
3. 5371214 - 4-(1,1-dialkoxycarbonylalkyl)azetidin-2-one derivative and process for (1994-12-06),
4. 5246949 - Preparation for endermism containing dopamine derivatives (1993-09-21),
5. 5204461 - Process for preparing (1'R,3S)-3-(1'-hydroxyethyl)-azetidin-2-one and (1993-04-20),

Title: Toyohiko Kobayashi: Innovator in Chemical Processes

Introduction

Toyohiko Kobayashi is a prominent inventor based in Tokyo, Japan. He has made significant contributions to the field of chemistry, particularly in the development of methods for producing useful chemical compounds. With a total of 5 patents to his name, Kobayashi's work has had a notable impact on various industries.

Latest Patents

Kobayashi's latest patents include a method for producing para-menthane-3,8-diol. This innovative process offers a way to produce this compound, which has excellent repellent action against harmful living things, including noxious insects. The method utilizes citronellal as a raw material and involves treating it with an aqueous sulfuric acid solution to achieve high purity and yield. Another significant patent involves a process for preferentially producing a 4-(1-carboxyalkyl) azetidin-2-one derivative. This process includes deesterifying and decarboxylating a specific azetidin-2-one derivative, resulting in a high yield of the desired product.

Career Highlights

Throughout his career, Kobayashi has worked with notable companies such as Takasago International Corporation and Sansho Co., Ltd. His experience in these organizations has allowed him to refine his skills and contribute to various innovative projects in the chemical industry.

Collaborations

Kobayashi has collaborated with esteemed colleagues, including Toshiyuki Murayama and Takashi Miura. These partnerships have fostered a creative environment that has led to the development of groundbreaking chemical processes.

Conclusion

Toyohiko Kobayashi's contributions to the field of chemistry through his patents and collaborations highlight his role as an influential inventor. His innovative methods continue to advance the industry and provide solutions to complex challenges.

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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