47 Utility Patents
#1,990 in Tokyo
#8,800 in Japan
#43,017 in the World
Forward Citations = 807
Company Filing History:
Yozan Corporation


4. 5 out of 832,492 patents
Other
5. 4 out of 153
Kokusai Electric Co., Ltd.
where one patent can have more than one assignee
Get your Inventor Badge Today