14 Utility Patents
#525 in Ibaraki
#56,711 in Japan
#259,784 in the World
Forward Citations = 129
Company Filing History:
Hitachi, Ltd.
Hitachi Engineering Co., Ltd.
where one patent can have more than one assignee
Get your Inventor Badge Today
#525 in Ibaraki
#56,711 in Japan
#259,784 in the World
Company Filing History:
Get your Inventor Badge Today