4 Utility Patents
#9,765 in Osaka
#193,158 in Japan
Forward Citations = 46
Company Filing History:
Katayama Chemical, Inc.

The Japan Association of Marine Safety
4. 1 out of 1
Marine Technology Institute Co., Ltd.
5. 1 out of 1
Laboratory of Aquatic Science Consultant Corporation
where one patent can have more than one assignee
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