52 Utility Patents
#45 in Hitachi
#7,044 in Japan
#35,280 in the World
Forward Citations = 12
Company Filing History:
Sumitomo Chemical Company, Limited
Sciocs Company Limited
Hosei University
4. 2 out of 101
Kanto Kagaku Kabushiki Kaisha
5. 1 out of 2,333

where one patent can have more than one assignee
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