Issued Patents All Time
Showing 26–26 of 26 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5543236 | Multi-layered slide bearing material | Tadashi Tanaka, Masaaki Sakamoto, Koichi Yamamoto | 1996-08-06 |
KK
Koji Kitagawa
Shin-Etsu Handotai Co.: 17 patents #32 of 679Top 5%
Sony: 4 patents #8,966 of 25,231Top 40%
Daido Metal Company: 3 patents #97 of 280Top 35%
Fujikoshi Machinery: 3 patents #26 of 85Top 35%
Okuma: 1 patents #106 of 233Top 50%
Overall (All Time): #151,856 of 4,157,543Top 4%
26
Patents All Time