21 Utility Patents
#494 in Shizuoka
#34,080 in Japan
#157,512 in the World
Forward Citations = 254
Company Filing History:



4. 1 out of 4
Ihara Chemical Kogyo Kabushiki Kaisha
5. 1 out of 1
Kyowa Hakko Koygo Co., Ltd.
where one patent can have more than one assignee
Get your Inventor Badge Today