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For the Inventor, By the Inventor

Arai, Japan

Kiyoshi Ikura

USPTO Granted Patents = 13


Average Co-Inventor Count = 3.6

ph-index = 3

Forward Citations = 19(Granted Patents)


Location History:

  • Ibaraki, JP (1997)
  • Tsukuba, JP (1996 - 2001)
  • Arai, JP (1999 - 2006)

Company Filing History:

goldMedal13 out of 1,165 
 
Daicel Chemical Industries, Ltd.
 patents

Years Active: 1996-2006

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13 patents (USPTO):Explore Patents
1. 7109350 - Process for the preparation of optically active amines or salts thereof (2006-09-19),
2. 6906197 - Process for the preparation of optically active amines or salts thereof (2005-06-14),
3. 6710210 - N-substituted-aminomethyl cyclopropyl ketone derivatives or salts thereof and production process therefor (2004-03-23),
4. 6613935 - Process for producing 1-acyl-1-cyclopropanecarboxylate derivatives (2003-09-02),
5. 6498258 - 3-acetyl-N-substituted-3-aminomethyltetrahydrofuran-2-one derivative and production process therefor (2002-12-24),
6. 6248573 - Optically active 1-phenyl-2-substituted propane derivatives and methods of producing the same (2001-06-19),
7. 5977370 - Process for preparing pyridine chloride (1999-11-02),
8. 5902900 - Optically active 1-phenyl-2-substituted propane derivatives and methods (1999-05-11),
9. 5811293 - Processes for producing optically active 2-amino-1-phenylethanol (1998-09-22),
10. 5702928 - Process for producing optically active triazole compounds and method of (1997-12-30),
11. 5679557 - Process of asymmetrically reducing 1-phenyl-2-oxo-propane derivatives (1997-10-21),
12. 5629200 - Production of optically active 2-amino-1-phenylethanol derivatives by (1997-05-13),
13. 5508461 - Optically active 1-phenyl-2-substituted propane derivatives and methods (1996-04-16),

Title: Kiyoshi Ikura: Innovator in Optically Active Amines

Introduction

Kiyoshi Ikura is a prominent inventor based in Arai, Japan. He has made significant contributions to the field of chemistry, particularly in the preparation of optically active amines. With a total of 13 patents to his name, Ikura's work has had a substantial impact on various applications in the chemical industry.

Latest Patents

One of Ikura's latest patents is a process for the preparation of optically active amines or salts thereof. This innovative process involves several steps, including the reaction of a ketone with an optically active amine in the presence of an organic acid. The process yields a corresponding optically active imine, which is then hydrogenated to produce the desired amine. This method showcases Ikura's expertise in synthesizing complex chemical compounds.

Career Highlights

Kiyoshi Ikura is associated with Daicel Chemical Industries, Ltd., where he has been instrumental in advancing research and development in his field. His work has not only contributed to the company's success but has also enhanced the understanding of optically active compounds in the scientific community.

Collaborations

Ikura has collaborated with notable colleagues, including Michio Ito and Noritsugu Yamasaki. These partnerships have fostered a collaborative environment that encourages innovation and the sharing of ideas.

Conclusion

Kiyoshi Ikura's contributions to the field of chemistry, particularly in the area of optically active amines, highlight his role as a leading inventor. His patents and collaborations reflect a commitment to advancing scientific knowledge and practical applications in the industry.

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