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For the Inventor, By the Inventor

Koshigaya, Japan

Motonobu Minagawa

This inventor holds 75 USPTO granted patents, primarily in Light Stabilizers (CPC class 260 ). Top assignees: Argus Chemical Corporation, Adeka Argus Chemical Co., Ltd., Phoenix Chemical Inc.. Active years: 1976-1989.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Motonobu Minagawa. Retrieved from https://idiyas.com/inventor/motonobu-minagawa

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

USPTO Granted Patents = 75

% Patents Active = 100.0

Average Co-Inventor Count = 3.3

ph-index = 12

Forward Citations = 511(Granted Patents)

Forward Citations (Not Self Cited) = 470(Dec 10, 2025)


Inventors with similar research interests:


Location History:

  • Koshigaya, J (1976)
  • Kosigaya, JA (1978)
  • Koshigawa, JP (1979 - 1982)
  • Kosigaya, JP (1978 - 1983)
  • Koshigaya Saitama, JP (1984)
  • Koshigaya City, Saitama, JP (1984)
  • Kosigaya City, JP (1985)
  • Koshigaya, JP (1978 - 1989)

Company Filing History:

goldMedal44 out of 114 
 
Argus Chemical Corporation
 patents
silverMedal26 out of 93 
 
Adeka Argus Chemical Co., Ltd.
 patents
bronzeMedal2 out of 8 
 
Phoenix Chemical Inc.
 patents
4. 1 out of 870 
 
Kyoto University
 patents
5. 3 out of 834,513 
Other
 patents
where one patent can have more than one assignee

Years Active: 1976-1989

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Areas of Expertise:
Light Stabilizers
Synthetic Resins
Piperidyl Compounds
Polymeric Compositions
Thermosetting Resins
Phenolic Esters
Phosphite Additives
Deterioration Resistance
Alkylidene Compounds
Oligomers
Amino Compounds
Coester Stabilizers
75 patents (USPTO):Explore Patents
1. 4885323 - Poly-2,2,6,6-tetramethyl piperidyl amino spiro glycol (1989-12-05),
2. 4820844 - Radiation sensitizer (1989-04-11),
3. 4798836 - Bis-(2,2,6,6-tetramethyl-piperidyl) diimides as light stabilizers for (1989-01-17),
4. 4743688 - Poly-2,2,6,6-tetramethyl piperidyl amino spiro glycol (1988-05-10),
5. 4698381 - N,N',N'-tris((2,2,6,6-tetramethyl-4-piperidyl)triazinyl) undecane (1987-10-06),
6. 4673701 - Alkylidene bisphenol phosphites and phosphates having (1987-06-16),
7. 4623685 - Thermosetting synthetic resin lacquer compositions of improved light (1986-11-18),
8. 4529760 - Oligomers of 2,2,6,6-tetramethylpiperidinol polycarboxylic acid esters (1985-07-16),
9. 4525506 - Polyhydric alcohol ethers of 2,2,6,6-tetramethyl-4-piperidone ketals and (1985-06-25),
10. 4500663 - Light stabilizing N,N,N-tris(2,2,6,6-tetramethyl-4-piperidone (1985-02-19),
11. 4499220 - Copolymer light stabilizers having at least one 2,2,6,6-tetraalkyl (1985-02-12),
12. 4491643 - Bis(2,2,6,6-tetramethylpiperidyl-1,3,5-triazinyl)-spirodiamines and (1985-01-01),
13. 4477616 - Tetra-(2,2,6,6- (1984-10-16),
14. 4469828 - Alkylthiopropionyl hydrazino triazines and synthetic resin compositions (1984-09-04),
15. 4468488 - Poly(piperidylamine) alkanes and synthetic resin compositions stabilized (1984-08-28),

Title: Inventor Motonobu Minagawa

Introduction: Motonobu Minagawa is a renowned inventor hailing from Koshigaya, Japan, known for his groundbreaking contributions to the field of technology and innovation.

Latest Patents: Motonobu Minagawa holds several patents in the areas of robotics, artificial intelligence, and sustainable energy solutions, showcasing his versatility and forward-thinking approach to invention.

Career Highlights: With over two decades of experience in the industry, Motonobu Minagawa has worked with leading tech companies to develop cutting-edge products that have revolutionized the way we interact with technology on a daily basis.

Collaborations: Throughout his career, Motonobu Minagawa has collaborated with top researchers, engineers, and designers to bring his innovative ideas to life, resulting in successful products that have garnered international acclaim.

Conclusion: Motonobu Minagawa's passion for innovation and his dedication to pushing the boundaries of what is possible have solidified his reputation as a visionary inventor in the tech industry.

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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