27 Utility Patents
#4,727 in Tokyo
#22,869 in Japan
#105,867 in the World
Forward Citations = 29
Company Filing History:

Hitachi Consumer Electronics Co., Ltd.
4. 2 out of 1,112
Hitachi Maxell, Limited
5. 1 out of 114

where one patent can have more than one assignee
Get your Inventor Badge Today