14 Utility Patents
#457 in Hitachi
#58,166 in Japan
#270,802 in the World
Forward Citations = 104
Company Filing History:
Hitachi Chemical Company, Ltd.
Adeka Argus Chemical Co., Ltd.

4. 1 out of 98
Asahi Denka Kogyo Kabushiki Kaisha
5. 1 out of 92
Asahi Denka Kogyo K.k.
where one patent can have more than one assignee
Get your Inventor Badge Today