17 Utility and 1 Design Patents
#426 in Wako
#45,339 in Japan
#210,624 in the World
rank by utility patentsForward Citations = 73
Company Filing History:

F-tech Inc.
Otsuka Koki Co., Ltd.
4. 1 out of 520

5. 1 out of 10,092

where one patent can have more than one assignee
Get your Inventor Badge Today