31 Utility Patents
#978 in Osaka
#18,483 in Japan
#86,512 in the World
Forward Citations = 220
Company Filing History:
Sanko Kaihatsu Kagaku Kenkyusho
Kanzaki Paper Manufacturing Co., Ltd.
Kabushiki Kaisha Sanko Kaihatsu Kagaku Kenkyusho
4. 3 out of 232
Sekisui Kagaku Kogyo Kabushiki Kaisha
5. 2 out of 102
Asahi-dow Limited
where one patent can have more than one assignee
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