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For the Inventor, By the Inventor

Aichi, Japan

Chiyo Yamamoto

This inventor holds 13 USPTO granted patents and 2 published patent applications and 10 EPO patents. Top assignees: Daicel Chemical Industries, Ltd., Nagoya University, Daicel Corporation. Active years: 2007-2020.

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

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

USPTO Granted Patents = 13 

% Patents Active = 69.2

 

Average Co-Inventor Count = 2.8

ph-index = 2

Forward Citations = 9(Granted Patents)


Location History:

  • Aichi, JP (2007 - 2011)
  • Suzuka, JP (2011 - 2020)

Company Filing History:

goldMedal11 out of 1,165 
 
Daicel Chemical Industries, Ltd.
 patents
silverMedal4 out of 371 
 
Nagoya University
 patents
bronzeMedal2 out of 695 
 
Daicel Corporation
 patents
where one patent can have more than one assignee

Years Active: 2007-2020

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13 patents (USPTO):Explore Patents
1. 10836834 - Separating agent for optical isomer (2020-11-17),
2. 9499638 - Polysaccharide derivative and separating agent for optical isomer containing the same (2016-11-22),
3. 8124712 - Filler for optical isomer separation (2012-02-28),
4. 8053543 - Filler for optical isomer separation (2011-11-08),
5. 7938962 - Separating agent for enantiomeric isomers and method of producing the same (2011-05-10),
6. 7772382 - Chitosan derivative and method of producing same (2010-08-10),
7. 7772153 - Separating agent for enantiomeric isomers (2010-08-10),
8. 7745616 - Bead for enantiomeric isomer resolution and process for producing the same (2010-06-29),
9. 7740758 - Separating agent including polysaccharide derivative having a polycyclic structure (2010-06-22),
10. 7683167 - Separating agent for enantiomeric isomers (2010-03-23),
11. 7323101 - Separating agent for optical isomer and method for preparation thereof (2008-01-29),
12. 7223334 - Separating agent for enantiomeric isomers (2007-05-29),
13. 7156989 - Separating agent including polysaccharide derivative having a polycyclic structure (2007-01-02),

Title: Chiyo Yamamoto - Innovator in Optical Isomer Separation

Introduction

Chiyo Yamamoto is an inventor based in Suzuka-shi, Japan. He has made significant contributions to the field of optical isomer separation. His innovative approach focuses on enhancing the efficiency of separation processes through the use of specialized fillers.

Latest Patent Applications

Chiyo Yamamoto's notable patent application is titled "FILLER FOR OPTICAL ISOMER SEPARATION." This application describes a filler that allows a polymer compound derivative to be immobilized on the surface of a carrier at a high ratio. The filler exhibits excellent optical separation ability. It is characterized by the modification of part of the hydroxy or amino groups of a polymer compound with molecules of a specific compound formula. This filler is chemically bonded to a carrier, enhancing its effectiveness in optical isomer separation.

Conclusion

Chiyo Yamamoto's work in optical isomer separation showcases his innovative spirit and dedication to advancing technology in this field. His contributions, particularly through his latest patent application, highlight the potential for improved separation techniques.

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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