Showing 1–5 of 5 inventors

Rank Inventor Primary Company Patents
1 Nobumasa Nakajima Cosmo Oil Co. 3
2 Taishi Yamamoto 1
2 Atsushi Akamatsu Cosmo Oil Lubricants Co. 1
2 Haruki Kawano Kao 1
2 Masaru Saito Kissei Pharmaceutical Co. 1