Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5162157 | Sliding material and method of manufacturing the same | Tadashi Tanaka, Hidehiko Tamura, Shigemasa Hakakoshi | 1992-11-10 |
| 5091098 | Sliding material and method of manufacturing the same | Tadashi Tanaka, Hidehiko Tamura, Shigemasa Hakakoshi | 1992-02-25 |