31 Utility Patents
#1,348 in Yokohama
#17,991 in Japan
#82,595 in the World
Forward Citations = 99
Company Filing History:
Hitachi, Ltd.
4. 4 out of 468
Hitachi Industrial Equipment Systems Co., Ltd.
5. 2 out of 2,645
where one patent can have more than one assignee
Get your Inventor Badge Today