124 Utility Patents
#202 in Tokyo
#890 in Japan
#6,045 in the World
Forward Citations = 1,825
Company Filing History:


Seikagaku Corporation
4. 8 out of 27
Seikagaku Kogyo Kabushiki Kaisha (seikagaku Corporation)
5. 6 out of 2,028

where one patent can have more than one assignee
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