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For the Inventor, By the Inventor

Kurashiki, Japan

Kazuo Yamamoto

This inventor holds 8 USPTO granted patents. Top assignee: Kuraray Co., Ltd.. Active years: 1984-1993.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Kazuo Yamamoto. Retrieved from https://idiyas.com/inventor/kazuo-yamamoto-fl6irnrk

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

Calculating rank
USPTO Granted Patents = 8

% Patents Active = 100.0

Average Co-Inventor Count = 3.9

ph-index = 3

Forward Citations = 36(Granted Patents)


Location History:

  • Nishinomiya, JP (1984)
  • Kurashiki, JP (1990 - 1992)
  • Niigata, JP (1993)

Company Filing History:

goldMedal8 out of 1,872 
 
Kuraray Co., Ltd.
 patents

Years Active: 1984-1993

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8 patents (USPTO):Explore Patents
1. 5237102 - Sulfone aldehydes useful for producing .beta.-carotene (1993-08-17),
2. 5185468 - Process for producing .beta.-carotene, and intermediate compounds useful (1993-02-09),
3. 5118833 - Process for producing .alpha.-keto-carboxylic acid ester (1992-06-02),
4. 5087762 - Process for producing vitamin A aldehyde (1992-02-11),
5. 5066826 - Process for racemization of optically active 4-phenylbutanoic acid esters (1991-11-19),
6. 5053552 - Process for producing .alpha.,.beta.-unsaturated aldehyde (1991-10-01),
7. 4947001 - Process for producing halogenated sulfone (1990-08-07),
8. 4451534 - Synthetic fibers imparted with an irregular surface and a process for (1984-05-29),

Title: Kazuo Yamamoto: A Pioneer in Beta-Carotene Production

Introduction

Kazuo Yamamoto, an innovative inventor based in Kurashiki, Japan, has made significant contributions to the field of chemical processes. With a remarkable portfolio of 8 patents to his name, he has focused primarily on developing novel methodologies for producing valuable compounds, including beta-carotene.

Latest Patents

Among his most recent patents are two groundbreaking processes for synthesizing beta-carotene. His work involves the use of sulfone compounds that react with alkali to produce beta-carotene efficiently. The first patent describes a novel process in which a sulfone compound, represented by specific general formulas, is employed, alongside a phenyl group and protecting acetal-type groups, to create beta-carotene. The second patent elaborates on intermediate compounds useful in the production of beta-carotene, utilizing the same sulfone compounds and methods to achieve a safer and more efficient synthesis.

Career Highlights

Kazuo Yamamoto has forged an impressive career at Kuraray Co., Ltd., where he has applied his expertise to advance the field of chemical manufacturing. His innovative thinking and dedication to research have positioned him as a leading figure in the production of beta-carotene, which has widespread applications in the food and pharmaceutical industries.

Collaborations

Yamamoto has collaborated with esteemed colleagues such as Takashi Onishi and Toshiki Mori. Together, they have worked to explore the innovative uses of sulfone compounds in chemical reactions, pushing the boundaries of what is possible in synthetic processes.

Conclusion

Kazuo Yamamoto exemplifies the spirit of innovation within the field of chemistry. Through his patents and collaborative efforts, he continues to impact the industry positively by enhancing methods for beta-carotene production. His work not only contributes to scientific advancement but also holds the potential for significant commercial applications in various markets.

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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