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For the Inventor, By the Inventor

Yokohama, Japan

Koshi Koseki

USPTO Granted Patents = 15

Average Co-Inventor Count = 4.6

ph-index = 5

Forward Citations = 90(Granted Patents)


Location History:

  • Kanagawa, JP (1990 - 1993)
  • Yokohama, JP (1988 - 1995)

Company Filing History:

goldMedal14 out of 1,037 
 
Japan Tobacco Inc.
 patents
silverMedal2 out of 28 
 
Yuki Gosei Kogyo Co., Ltd.
 patents
bronzeMedal2 out of 5 
 
Fuji Flavor Co., Ltd.
 patents
4. 1 out of 12 
 
Japan Tabacco Inc.
 patents
5. 1 out of 1 
 
Yuji Gosei Kogyo Co., Ltd.
 patent
where one patent can have more than one assignee

Years Active: 1988-1995

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15 patents (USPTO):Explore Patents
1. 5468881 - Method of producing cis-whiskey lactone (1995-11-21),
2. 5451689 - Method of preparing epoxide (1995-09-19),
3. 5416204 - Method for preparing 2'-3'-dideoxy-.beta.-nucleosides using (1995-05-16),
4. 5412111 - Method of preparing (3R,4R)-3-hydroxy-4-hydroxymethyl-4-butanolide (1995-05-02),
5. 5391769 - Method of preparing 3-DPA-lactone (1995-02-21),
6. 5374744 - Method for manufacturing 4-substituted-Y-lactone and novel substance (1994-12-20),
7. 5322955 - Method of manufacturing 3-DPA-lactone (1994-06-21),
8. 5319108 - Method for producing (R,Z)-5-tetradecen-4-olide (1994-06-07),
9. 5284973 - Method of preparing an acid additional salt of delta-aminolevulinic acid (1994-02-08),
10. 5216177 - Method of preparing trans-3,4-disubstituted-.gamma.-lactones (1993-06-01),
11. 5112994 - Method of producing (S)-4-hydroxymethyl-.gamma.-lactone (1992-05-12),
12. 4994585 - Method of preparing (S)-.gamma.-hydroxymethyl-.alpha., .beta.-butenolide (1991-02-19),
13. 4980485 - Method of manufacturing optically-active periplanone-b (1990-12-25),
14. 4946999 - Novel intermediates for synthesis of trichostatic acid or trichostatin (1990-08-07),
15. 4755626 - 4-isopropyl-7-methylene-5-cyclodecen-1-ol (1988-07-05),

Title: Innovations of Koshi Koseki

Introduction

Koshi Koseki is a prominent inventor based in Yokohama, Japan. He has made significant contributions to the field of chemistry, holding a total of 15 patents. His work has had a notable impact on various industries, particularly in the production of chemical compounds.

Latest Patents

Among his latest patents are innovative methods such as the "Method of producing cis-whiskey lactone" and the "Method of preparing epoxide." These patents showcase his expertise in developing new chemical processes that can be applied in various applications.

Career Highlights

Koshi Koseki has worked with reputable companies, including Japan Tobacco Inc. and Yuki Gosei Kogyo Co., Ltd. His experience in these organizations has allowed him to refine his skills and contribute to significant advancements in his field.

Collaborations

Throughout his career, Koseki has collaborated with notable individuals such as Takashi Ebata and Hajime Matsushita. These partnerships have fostered innovation and have led to the development of groundbreaking technologies.

Conclusion

Koshi Koseki's contributions to the field of chemistry through his patents and collaborations highlight his role as a leading inventor. His work continues to influence the industry and inspire future innovations.

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