24 Utility and 1 Design Patents
#5,335 in Tokyo
#26,801 in Japan
#121,064 in the World
rank by utility patentsForward Citations = 84
Company Filing History:
Hitachi Powdered Metals Co., Ltd.
Hitachi Industrial Equipment Systems Co., Ltd.
Japan Servo Co.,ltd.
4. 4 out of 19,076
5. 3 out of 1,640
Hitachi Chemical Company, Ltd.
where one patent can have more than one assignee
Get your Inventor Badge Today