5 Utility Patents
#542 in Hirakata
#162,289 in Japan
#824,752 in the World
Forward Citations = 7
Company Filing History:
Osaka Municipal Government
Yamamoto Chemical Industrial Company, Limited

4. 1 out of 2,643

5. 1 out of 56
Honshu Chemical Industry Co., Ltd.
where one patent can have more than one assignee
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