31 Utility Patents
#4,008 in Tokyo
#18,710 in Japan
#87,612 in the World
Forward Citations = 283
Company Filing History:



4. 1 out of 1,112
Hitachi Maxell, Limited
5. 1 out of 1
Kinsei Kogyo Co., Ltd.
where one patent can have more than one assignee
Get your Inventor Badge Today