12 Utility Patents
#4,158 in Yokohama
#69,823 in Japan
#327,534 in the World
Forward Citations = 97
Company Filing History:
Hokushin Electric Works, Ltd.
Tokyo Keiso Kabushiki-kaisha

4. 1 out of 1
Yugen-kaisha Techno Data
5. 1 out of 54
Yokogawa Hokushin Electric Corp.
where one patent can have more than one assignee
Get your Inventor Badge Today