76 Utility Patents
#13 in Tochigi
#3,037 in Japan
#16,844 in the World
Forward Citations = 131
Company Filing History:
Kantatsu Co., Ltd.
Optical Logic Inc.
Tokyo Visionary Optics Co., Ltd.
4. 1 out of 15,312

5. 1 out of 5,729

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