Mitsui Toatus Chemical, Inc.

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USPTO Granted Patents = 2

Forward Citations = 3

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3 inventors (with patents filed for the assignee):

Hirotaka Ihara (2 out of 9 patents)

Chuichi Hirayama (2 out of 7 patents)

Yoshiaki Motozato (2 out of 3 patents)

2 patents: Sort by Forward Citations

1. 4948816 - Spherical grains of polyamino acid and production method thereof (1990-08-14),

2. 4840975 - Spherical grains of polyamino acid and production method thereof (1989-06-20),

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USPTO Data Jan 1 1976 - Nov 3 2026

2 Patents

#15 in all of

#11,154 in Japan

all of, Japan

Mitsui Toatus Chemical, Inc.

Forward Citations = 3

3 inventors:

Hirotaka Ihara (2 out of 9 patents)

Chuichi Hirayama (2 out of 7 patents)

Yoshiaki Motozato (2 out of 3 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Mitsui Toatus Chemical, Inc.. Retrieved from https://idiyas.com/company/mitsui-toatus-chemical

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]