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For the Inventor, By the Inventor

Tokyo, Japan

Mitsui-Cyanamid, Ltd.

Calculating rank
USPTO Granted Patents = 9

Forward Citations = 66

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19 inventors (with patents filed for the assignee):

goldMedal Naotaka Watanabe (7 out of 7 patents)

silverMedal Hiroshi Itoda (4 out of 4 patents)

bronzeMedal Hitoshi Fujiyoshi (3 out of 3 patents)

4.  Masako Shirota (3 out of 3 patents)

5.  Yoshio Hosoya (2 out of 2 patents)

6.  Reiko Funato (2 out of 2 patents)

7.  Takeo Arai (2 out of 2 patents)

8.  Akira Tamura (1 out of 13 patents)

9.  Takao Arai (1 out of 123 patents)

10.  Akio Kitamura (1 out of 4 patents)

11.  Isao Takagi (1 out of 1 patent)

12.  Atsuo Miyoshi (1 out of 1 patent)

13.  Naotaka Watababe (1 out of 1 patent)

14.  Yasuo Saito (1 out of 4 patents)

15.  Kenichi Akune (1 out of 1 patent)


9 patents:

1. 5250602 - Polymer emulsion and method for preparing the same (1993-10-05),
2. 5213166 - Pile driving and pile removing method (1993-05-25),
3. 5180473 - Paper-making process (1993-01-19),
4. 5132358 - Polymer emulsion (1992-07-21),
5. 5069754 - Papermaking method (1991-12-03),
6. 5069721 - Mortar concrete composition (1991-12-03),
7. 5022999 - Method of treating starch-containing water (1991-06-11),
8. 4977208 - Water-absorbent coating compositions (1990-12-11),
9. 4789707 - Coating resin composition with high number of imino groups (1988-12-06),
Company Overview
Mitsui-cyanamid, Ltd. is a leading chemical company specializing in the production and distribution of cyanamid compounds. With a strong focus on quality and innovation, Mitsui-cyanamid, Ltd. is committed to providing customers with high-performance products that meet the ever-evolving needs of various industries. Headquartered in Japan, the company has a global presence and a reputation for excellence in the chemical industry.
Profile summary synthesized from public USPTO records and patent filings.

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USPTO Data Jan 1 1976 - Oct 27 2026

9 Patents

#2,022 in Tokyo

#4,706 in Japan

Tokyo, JP
Tokyo, Japan

Mitsui-Cyanamid, Ltd.

Forward Citations = 66

19 inventors:

goldMedal Naotaka Watanabe (7 out of 7 patents)

silverMedal Hiroshi Itoda (4 out of 4 patents)

bronzeMedal Hitoshi Fujiyoshi (3 out of 3 patents)

4.  Masako Shirota (3 out of 3 patents)

5.  Yoshio Hosoya (2 out of 2 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Mitsui-Cyanamid, Ltd.. Retrieved from https://idiyas.com/company/mitsui-cyanamid

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

Data Sources: USPTO Patent Grant XML, Patent Center, EPO & CIPO • Normalized by IDiyas Innovation Graph. Methodology & provenance architecturePlease report any incorrect information to [email protected]
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