10 Utility Patents
#627 in Hitachi
#85,307 in Japan
#405,158 in the World
Forward Citations = 439
Company Filing History:

Hitachi Engineering Co., Ltd.
where one patent can have more than one assignee
Get your Inventor Badge Today
#627 in Hitachi
#85,307 in Japan
#405,158 in the World
Company Filing History:

Get your Inventor Badge Today