52 Utility and 8 Design Patents
#584 in Yokohama
#7,044 in Japan
#35,280 in the World
rank by utility patentsForward Citations = 810
Company Filing History:


Nippon Oil Company
4. 3 out of 1,297

5. 2 out of 11
Chemipro Kasei Kaisha, Limited
where one patent can have more than one assignee
Get your Inventor Badge Today