Noriaki Kohtoh

This inventor holds 9 USPTO granted patents. Top assignees: Nissan Chemical Industries Limited, Sagami Chemical Research Center. Active years: 1988-1997.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Noriaki Kohtoh. Retrieved from https://idiyas.com/inventor/noriaki-kohtoh

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

USPTO Granted Patents = 9

% Patents Active = 100.0

Average Co-Inventor Count = 3.5

ph-index = 5

Forward Citations = 98(Granted Patents)

Location History:

Ichihara, JP (1988 - 1992)
Funabashi, JP (1992 - 1994)
Tokyo, JP (1997)

Company Filing History:

9 out of 1,235

Nissan Chemical Industries Limited

patents

2 out of 191

Sagami Chemical Research Center

patents

where one patent can have more than one assignee

Years Active: 1988-1997

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9 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 5643980 - Flame retardant thermoplastic resin composition (1997-07-01),

2. 5288588 - Positive photosensitive polyimide resin composition comprising an (1994-02-22),

3. 5153304 - Fluorine containing diaminobenzene derivatives and its use (1992-10-06),

4. 5144078 - Fluorine containing diaminobenzene derivatives and its use (1992-09-01),

5. 5111318 - Ferroelectric liquid crystal element (1992-05-05),

6. 5070182 - Polyimide resin and insulating film for electric and electronic devices (1991-12-03),

7. 5059677 - Polyimide resin and insulating film for electric and electronic devices (1991-10-22),

8. 4929658 - Composition for liquid crystal aligning agent (1990-05-29),

9. 4749777 - Liquid crystal aligning agent from tetracarboxylic acid dianhydride, (1988-06-07),

Title: Noriaki Kohtoh: Innovator in Thermoplastic Resins

Introduction

Noriaki Kohtoh is a prominent inventor based in Ichihara, Japan. He has made significant contributions to the field of thermoplastic resin compositions, holding a total of 9 patents. His innovative work has led to advancements in materials that are crucial for various applications.

Latest Patents

One of his latest patents is a flame retardant thermoplastic resin composition. This composition comprises 100 parts by weight of a thermoplastic resin, along with specific proportions of polyhydric alcohol-boric acid metal complexes, ammonium polyphosphate, and melamine derivatives. Another notable patent is a positive photosensitive polyimide resin composition, which includes an organic solvent-soluble polyimide resin and a quinonediazide compound. This resin is designed with specific repeating units that enhance its properties for various applications.

Career Highlights

Throughout his career, Noriaki Kohtoh has worked with reputable companies such as Nissan Chemical Industries Limited and Sagami Chemical Research Center. His experience in these organizations has allowed him to develop and refine his innovative ideas in the field of chemical engineering.

Collaborations

Noriaki has collaborated with notable coworkers, including Toyohiko Abe and Hiroyoshi Fukuro. These partnerships have contributed to the advancement of his research and the successful development of his patented technologies.

Conclusion

Noriaki Kohtoh's contributions to the field of thermoplastic resins demonstrate his innovative spirit and dedication to advancing material science. His patents reflect a commitment to creating safer and more effective materials for various applications.

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]