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Nihon Kogyo Kabushiki Kaisha

USPTO Granted Patents = 17

Forward Citations = 140

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33 inventors (with patents filed for the assignee):

Yoshio Kawasumi (5 out of 6 patents)

Mitsuo Takahashi (3 out of 11 patents)

Haruki Sato (3 out of 3 patents)

4. Nobuyuki Mori (2 out of 56 patents)

5. Osamu Oda (2 out of 13 patents)

6. Takao Amazawa (2 out of 5 patents)

7. Masahiro Tsuji (2 out of 7 patents)

8. Hideo Oikawa (2 out of 5 patents)

9. Toshihiro Yuki (2 out of 2 patents)

10. Shunichi Kasai (2 out of 4 patents)

11. Iwao Kyono (2 out of 2 patents)

12. Hideo Miyazaki (2 out of 2 patents)

13. Yoshiharu Katoh (2 out of 2 patents)

14. Masami Kuroki (2 out of 2 patents)

15. Arata Onozuka (2 out of 2 patents)

17 patents: Sort by Forward Citations

1. 4770948 - High-purity metal and metal silicide target for LSI electrodes (1988-09-13),

2. 4619695 - Process for producing high-purity metal targets for LSI electrodes (1986-10-28),

3. 4615964 - Vapor-deposited film of selenium as photoreceptor for electrophotography (1986-10-07),

4. 4614568 - High-speed silver plating and baths therefor (1986-09-30),

5. 4585621 - Vapor-deposited film of selenium or selenium alloy for electrophotography (1986-04-29),

6. 4572823 - Process for rhenium recovery (1986-02-25),

7. 4452757 - Copper alloy for radiators (1984-06-05),

8. 4362579 - High-strength-conductivity copper alloy (1982-12-07),

9. 4309458 - Process of producing composite powder coated with noble metal (1982-01-05),

10. 4309457 - Process of producing multilayer-coated composite powder (1982-01-05),

11. 4257778 - Process for producing synthetic coking coal of high volatile matter (1981-03-24),

12. 4243728 - Double-metal-coated metal sulfide powder and process of producing the (1981-01-06),

13. 4233254 - Process for granulating metal sulfide powders (1980-11-11),

14. 4221828 - Process of producing metal sulfide powder coated with copper (1980-09-09),

15. 4076523 - Pyrometallurgical process for lead refining (1978-02-28),

Nihon Kogyo Kabushiki Kaisha, also known as Nichimen Co., Ltd., is a Japanese trading company. Established in 1918, Nichimen is involved in various fields including chemicals, textiles, metals, machinery, food products, and more. With a global network of offices and subsidiaries, the company offers a wide range of products and services to meet diverse customer needs.

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

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USPTO Data Jan 1 1976 - Dec 30 2025

17 Patents

#1,260 in Tokyo

#3,159 in Japan

#34,849 in the World

Nihon Kogyo Kabushiki Kaisha

Forward Citations = 140

33 inventors:

Yoshio Kawasumi (5 out of 6 patents)

Mitsuo Takahashi (3 out of 11 patents)

Haruki Sato (3 out of 3 patents)

4. Nobuyuki Mori (2 out of 56 patents)

5. Osamu Oda (2 out of 13 patents)

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