9 Utility Patents
#1,588 in Nagoya
#93,885 in Japan
#445,660 in the World
Forward Citations = 45
Company Filing History:

Shigezo Udaka
Other
4. 1 out of 29

5. 1 out of 174
Sumitomo Pharmaceuticals Company Limited
where one patent can have more than one assignee
Get your Inventor Badge Today