8 Utility Patents
#5,541 in Osaka
#107,257 in Japan
#519,767 in the World
Forward Citations = 31
Company Filing History:
Nippon Petrochemicals Company, Limited
Nippon Kasei Chemical Company Limited
Takenaka Corporation
4. 1 out of 1
Hayashi Kasei Co., Ltd.
where one patent can have more than one assignee
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