Tokyo, Japan

Mitsui Polychemicals, Co., Ltd.


USPTO Granted Patents = 4

Forward Citations = 67

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19 inventors (with patents filed for the assignee):

goldMedal Yukio Adachi (1 out of 2 patents)

silverMedal Reiji Miyamoto (1 out of 5 patents)

bronzeMedal Shiro Narasaki (1 out of 3 patents)

4 Seiji Kazama (1 out of 4 patents)

5 Shigeki Sawa (1 out of 1 patent)

6 Takeshi Anbo (1 out of 1 patent)

7 Yoshikazu Kutsuwa (1 out of 1 patent)

8 Kiyoshi Otani (1 out of 1 patent)

9 Tetsujiro Tatsumi (1 out of 2 patents)

10 Michio Tanaka (1 out of 10 patents)

11 Katsuhiko Hasuo (1 out of 1 patent)

12 Ryoji Ishimoto (1 out of 1 patent)

13 Masanori Hisatomi (1 out of 1 patent)

14 Kensaku Yamawaki (1 out of 1 patent)

15 Seiichi Tada (1 out of 4 patents)


4 patents:

Mitsui Polychemicals Co., Ltd. is a global chemical company specializing in the development, production, and distribution of a wide range of products including functional materials, performance chemicals, and polymer products. With a strong commitment to sustainability and innovation, Mitsui Polychemicals is dedicated to providing high-quality solutions that meet the evolving needs of various industries worldwide.
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USPTO Data Jan 1 1976 - Dec 9 2025

4 Patents

#2,786 in Tokyo

#7,416 in Japan

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Tokyo, Japan
Forward Citations = 67

19 inventors:

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