EPO Patents = 3

Forward Citations = 13

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10 inventors (with patents filed for the assignee):

Kazuyuki Shinozaki (2 out of 2 patents)

Mitsuomi Katori (2 out of 2 patents)

Hiroyuki Kaneta (2 out of 2 patents)

4. Atsushi Kaneko (1 out of 37 patents)

5. Satoshi Ito (1 out of 91 patents)

6. Mitsuhiro Omachi (1 out of 1 patent)

7. Ken Ogura (1 out of 2 patents)

8. Yushi Saito (1 out of 1 patent)

9. Shunichi Ishida (1 out of 1 patent)

10. Moriyuki Yanagawa (1 out of 1 patent)

4 patents: Sort by Forward Citations

1. 10968520 - Treatment liquid for black trivalent chromium conversion coating, trivalent chromium-containing water-soluble liquid for finishing treatment, and treatment method of metal substrate (2021-04-06),

2. 10260151 - Treatment liquid for trivalent chromium conversion coating and treatment method of metal substrate (2019-04-16),

3. 9644279 - Zinc-nickel alloy plating solution and plating method (2017-05-09),

4. 4877496 - Zinc-nickel alloy plating solution (1989-10-31),

Nippon Hyomen Kagaku Kabushiki Kaisha, also known as NHK, is a Japanese company specializing in surface chemistry. With a focus on research and development, NHK provides innovative solutions for a wide range of industries including electronics, automotive, and healthcare. Their cutting-edge technologies and high-quality products have established NHK as a trusted leader in the field of chemistry.

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

Company Badge

USPTO Data Jan 1 1976 - Jan 6 2026

4 Patents

#2,781 in Tokyo

#7,421 in Japan

Tokyo, Japan

Nippon Hyomen Kagaku Kabushiki Kaisha