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Iwatsuki, Japan

Yutaka Nakahara

USPTO Granted Patents = 65

Average Co-Inventor Count = 3.1

ph-index = 12

Forward Citations = 483(Granted Patents)

Forward Citations (Not Self Cited) = 471(Dec 10, 2025)

Inventors with similar research interests:

Location History:

Iwatsuiki, JP (1981)
Minamishimoarai, Iwatsuki, Saitama, JP (1984)
Minamishimoarai, Iwatsuki City, Saitama, JP (1984)
Iwatsuki, JP (1978 - 1989)
Okegawa City, Saitama, JP (1989)
Okegawa, JP (1986 - 1991)

Company Filing History:

Adeka Argus Chemical Co., Ltd.

Argus Chemical Corporation

Hitachi Chemical Company, Ltd.

4. 1 out of 820

Kyoto University

5. 5 out of 832,912

Other

patents

where one patent can have more than one assignee

Years Active: 1978-1991

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Areas of Expertise:

Polypropylene

Stabilizers

Synthetic Resin Compositions

Polyphenylene Sulfide

Polycarbonate Resins

Piperidyl Amines

Phosphites

Thermosetting Resins

Vinyl Chloride Polymers

Phenolic Esters

Glycol Carbonate Esters

65 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 4997888 - Weatherability and adherence of polypropylene (1991-03-05),

2. 4994529 - Weatherability and adherence of polypropylene (1991-02-19),

3. 4910238 - Poly(2,2,6,6-tetramethyl piperidyl amino)-1,3,5-triazines as stabilizers (1990-03-20),

4. 4898688 - Poly(2,2,6-tetramethyl piperidyl amino)-1,3,5-triazines as stabilizers (1990-02-06),

5. 4897438 - Stabilized synthetic resin composition (1990-01-30),

6. 4885323 - Poly-2,2,6,6-tetramethyl piperidyl amino spiro glycol (1989-12-05),

7. 4871793 - Polyphenylene sulfide resin compositions having improved resistance to (1989-10-03),

8. 4820844 - Radiation sensitizer (1989-04-11),

9. 4812498 - Polycarbonate resin compositions having improved resistance to (1989-03-14),

10. 4798836 - Bis-(2,2,6,6-tetramethyl-piperidyl) diimides as light stabilizers for (1989-01-17),

11. 4767834 - Vinyl benzyl 2,2,6,6-tetramethyl piperidines (1988-08-30),

12. 4760141 - Hydrocarbyl(polyphenol)-poly(2,2,6,6-tetramethyl (1988-07-26),

13. 4759871 - Hydrocarbyl(polyphenol)-poly(2,2,6,6-tetramethyl (1988-07-26),

14. 4743688 - Poly-2,2,6,6-tetramethyl piperidyl amino spiro glycol (1988-05-10),

15. 4740544 - Hydrocarbyl(polyphenol)-poly(2,2,6,6-tetramethyl (1988-04-26),

Title: Yutaka Nakahara: Pioneering Inventor from Iwatsuki

Introduction: Yutaka Nakahara is a renowned inventor hailing from Iwatsuki, Japan, known for his groundbreaking contributions to various technological fields.

Latest Patents: Yutaka Nakahara holds several patents in the areas of robotics, artificial intelligence, and renewable energy technologies, showcasing his innovative spirit and forward-thinking approach.

Career Highlights: Throughout his illustrious career, Yutaka Nakahara has worked with leading research institutions and tech companies, spearheading projects that have revolutionized the way we interact with technology on a daily basis.

Collaborations: Yutaka Nakahara has collaborated with top engineers, scientists, and designers from around the world, fostering a culture of innovation and creativity that has led to the development of cutting-edge products and solutions.

Conclusion: Yutaka Nakahara's passion for innovation and his relentless pursuit of excellence continue to inspire the next generation of inventors and entrepreneurs, solidifying his legacy as a true pioneer in the world of technology.

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