IDiyas

For the Inventor, By the Inventor

Tokyo, Japan

Koichi Shigeno

USPTO Granted Patents = 27 

 

Average Co-Inventor Count = 2.8

ph-index = 2

Forward Citations = 18(Granted Patents)


Company Filing History:

goldMedal26 out of 436 
 
Adeka Corporation
 patents
silverMedal3 out of 58,129 
 
Sony Corporation
 patents
bronzeMedal1 out of 68 
 
Niigata University
 patents
where one patent can have more than one assignee

Years Active: 2008-2022

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27 patents (USPTO):Explore Patents
1. 11414655 - Efficient method for producing ambrein (2022-08-16),
2. 10131646 - Aromatic sulfonium salt compound, photoacid generator, resist composition, cationic polymerization initiator, and cationically polymerizable composition (2018-11-20),
3. 9334270 - Polymerizable (photosensitive or reactive) cyano-containing compound, a dye, and colored photosensitive composition (2016-05-10),
4. 9239408 - Colored photosensitive composition (2016-01-19),
5. 9110350 - Color conversion filter (2015-08-18),
6. 9029434 - Colored photosensitive composition (2015-05-12),
7. 8958165 - Cyanine compound and optical filter and optical recording material containing same (2015-02-17),
8. 8785007 - Pendant-type polymeric compound, color conversion film using pendant-type polymeric compound, and multicolor emission organic EL device (2014-07-22),
9. 8758897 - Schiff base type color conversion layer, light absorbing layer, and filter (2014-06-24),
10. 8568884 - Schiff base type compound and coloring material containing the same (2013-10-29),
11. 8460858 - Near-infrared-ray absorbing material containing cyanine compound, and cyanine compound (2013-06-11),
12. 8337728 - Method for producing an optical filter (2012-12-25),
13. 8247577 - Optical recording material and cyanine compound (2012-08-21),
14. 8206806 - Cyanine compound and optical recording material (2012-06-26),
15. 8193366 - Cyanine compounds (2012-06-05),

Title: Koichi Shigeno: Innovator in Chemical Engineering

Introduction

Koichi Shigeno, based in Tokyo, Japan, is a distinguished inventor recognized for his significant contributions to the field of chemical engineering. With an impressive portfolio of 27 patents, Shigeno's innovations focus on efficient methods in production and application of chemical compounds.

Latest Patents

Among his latest innovations, Shigeno introduced a method for producing ambrein, aimed at simplifying and enhancing the efficiency of its preparation process. Additionally, he developed an aromatic sulfonium salt compound, which serves as a photoacid generator and a cationic polymerization agent. This compound exhibits low substrate corrosion and remarkable photolithographic characteristics, making it highly valuable in the field of materials science.

Career Highlights

Koichi Shigeno has built a noteworthy career, having worked at prominent companies including Adeka Corporation and Sony Corporation. His work in these organizations has allowed him to develop cutting-edge technologies that contribute to advancements in chemical processes.

Collaborations

Throughout his career, Shigeno has collaborated with talented individuals such as Toru Yano and Mitsuhiro Okada. These partnerships have enriched his innovations and expanded the scope of his research, leading to meaningful contributions in the scientific community.

Conclusion

Koichi Shigeno's legacy as an inventor is firmly established through his numerous patents and collaborative efforts. His work continues to influence the fields of chemistry and materials science, paving the way for future innovations. Shigeno's commitment to efficiency and effectiveness in chemical processes highlights his pivotal role as a leader in innovation.

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