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Nippon Steel Chemical Co., Ltd.

USPTO Granted Patents = 173

EPO Patents = 13

Trademarks = 2

Forward Citations = 1,212

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374 inventors (with patents filed for the assignee):

Hiroshi Miyazaki (12 out of 21 patents)

Takero Teramoto (10 out of 18 patents)

Toshihiro Yamamoto (9 out of 35 patents)

4. Yasuji Shichijo (9 out of 9 patents)

5. Takahiro Kai (8 out of 47 patents)

6. Masaki Komori (6 out of 23 patents)

7. Masashi Kaji (6 out of 8 patents)

8. Toshihide Senzaki (6 out of 7 patents)

9. Koichi Fujishiro (6 out of 7 patents)

10. Hisashi Watanabe (6 out of 6 patents)

11. Masanari Fujita (6 out of 6 patents)

12. Yasuharu Yamada (6 out of 6 patents)

13. Yutaka Arai (5 out of 56 patents)

14. Katsuhide Noguchi (5 out of 12 patents)

15. Yoichi Kawano (5 out of 6 patents)

Core Competencies:

Lithium Secondary Battery

Negative Electrode Active Material

Organic Electroluminescent Device

Photosensitive Resin Composition

Cationically Polymerizable Composition

Volume Phase Hologram Recording Material

Flame-Retardant Adhesive Resin

Thermosetting Resin Composition

Silicone Resin Composition

Graphite Material

Fuel Cell Separator

Proton-Conducting Polymer

173 patents: Sort by Forward Citations

1. 9070933 - Negative electrode active material of lithium secondary battery, secondary battery using the same, method for manufacturing the same (2015-06-30),

2. 8877384 - Negative electrode active material of lithium secondary battery, negative electrode of lithium secondary battery, lithium secondary battery for vehicle installation using the negative electrode active material and negative electrode, and method for manufacturing the negative electrode active material (2014-11-04),

3. 8404797 - Polyfunctional vinyl aromatic copolymer, process for producing the same, and resin composition (2013-03-26),

4. 8399156 - Volume phase hologram recording material and optical information recording medium using the same (2013-03-19),

5. 8389131 - Material for use in phosphorescent device and organic electroluminescent device using same (2013-03-05),

6. 8344097 - Cationically polymerizable composition and method for controlling cationic polymerization (2013-01-01),

7. 8299185 - Curable cage-type silicone copolymer and process for production thereof and curable resin composition comprising curable cage-type silicone copolymer and cured product thereof (2012-10-30),

8. 8298726 - Volume phase hologram recording material and optical information recording medium (2012-10-30),

9. 8268940 - Flame-retardant adhesive resin composition and adhesive film using the same (2012-09-18),

10. 8263770 - Aluminum chelate complex for organic EL material (2012-09-11),

11. 8227798 - Compound for organic electroluminescent device and organic electroluminescent device (2012-07-24),

12. 8198387 - Proton-conducting compound and proton-conducting polymer (2012-06-12),

13. 8163443 - Photosensitive resin composition for volume phase hologram recording and optical information recording medium using the same (2012-04-24),

14. 8153569 - Lubricant base oil (2012-04-10),

15. 8129543 - Cyclic guanidine ionic liquid (2012-03-06),

NIPPON STEEL CHEMICAL CO., LTD. is a global leader in the chemical industry, specializing in the development and production of high-performance materials. With a strong emphasis on research and innovation, NIPPON STEEL CHEMICAL offers a diverse range of products including functional resins, electronic materials, and synthetic fibers. The company is committed to contributing to a sustainable future by promoting eco-friendly practices and delivering innovative solutions to meet the evolving needs of various industries.

This text is generated by artificial intelligence and may not be accurate.

Company Badge

USPTO Data Jan 1 1976 - Dec 30 2025

173 Patents

#345 in Tokyo

#758 in Japan

#4,667 in the World

Nippon Steel Chemical Co., Ltd.

Forward Citations = 1,212

374 inventors:

Hiroshi Miyazaki (12 out of 21 patents)

Takero Teramoto (10 out of 18 patents)

Toshihiro Yamamoto (9 out of 35 patents)

4. Yasuji Shichijo (9 out of 9 patents)

5. Takahiro Kai (8 out of 47 patents)

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