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14 inventors (with patents filed for the assignee):

Mitsuo Kojima (2 out of 2 patents)

Akio Okagami (2 out of 3 patents)

Kunihiko Uemoto (2 out of 2 patents)

4. Takanobu Sugo (1 out of 32 patents)

5. Yasuhiro Matsuda (1 out of 1 patent)

6. Tsuyoshi Tsutsui (1 out of 1 patent)

7. Satoshi Tanaka (1 out of 1 patent)

8. Akio Furuta (1 out of 1 patent)

9. Toshikazu Nakamura (1 out of 1 patent)

10. Satoru Shichiji (1 out of 1 patent)

11. Yoshinori Amemiya (1 out of 1 patent)

12. Kouichi Satoh (1 out of 1 patent)

13. Yukio Asami (1 out of 1 patent)

14. Takahiro Aida (1 out of 2 patents)

7 patents: Sort by Forward Citations

1. 6146763 - Ultraviolet-cutoff material and process for preparing the same (2000-11-14),

2. 5648400 - Process for producing polymeric electrolyte complex and ion-exchange (1997-07-15),

3. 4950832 - Method for preparation of dialkylnaphthalenes and catalyst for the same (1990-08-21),

4. 4302357 - Catalyst for production of ethylene from ethanol (1981-11-24),

5. 4000988 - Low-temperature steam reforming process for hydrocarbons (1977-01-04),

6. 4000987 - Low-temperature steam reforming process for hydrocarbons (1977-01-04),

7. 3992166 - Low temperature steam reforming process for hydrocarbons (1976-11-16),

Nikki Chemical Co., Ltd. is a leading chemical manufacturing company specializing in the production of high-quality industrial chemicals. With a focus on sustainability and innovation, we provide a wide range of chemicals for various industries including pharmaceuticals, agriculture, and manufacturing. Our commitment to quality and customer satisfaction has made us a trusted partner for businesses worldwide.

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USPTO Data Jan 1 1976 - Dec 30 2025

7 Patents

#2,027 in Tokyo

#5,302 in Japan

Tokyo, Japan

Nikki Chemical Co., Ltd.