35 Utility and 1 Design Patents
#14 in Katsuta
#15,269 in Japan
#71,812 in the World
rank by utility patentsForward Citations = 277
Company Filing History:

Hitachi Koki Co., Ltd.

4. 5 out of 129
Ricoh Printing Systems, Ltd.
5. 2 out of 71
Vehicle Energy Japan Inc.
Get your Inventor Badge Today