Issued Patents All Time
Showing 1–12 of 12 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6193025 | Disk-brake pad | — | 2001-02-27 |
| 5787941 | Device for feeding a mixture of friction materials | — | 1998-08-04 |
| 5637836 | Constant-rate feeder of powdery material and method for producing compressed powdery product | Hatsuo Murakami, Keisuke Fujiki, Toshikazu Kogetsu | 1997-06-10 |
| 5343733 | Abrasion testing method | Shiro Nakajima | 1994-09-06 |
| 5268398 | Friction material and method of manufacturing such material | Yukinori Yamashita, Masanori Ibuki, Hiroya Kishimoto | 1993-12-07 |
| 5266395 | Friction material for making brake pads | Yukinori Yamashita, Masanori Ibuki, Hiroya Kishimoto | 1993-11-30 |
| 5236528 | Method for producing a friction member especially for a brake | — | 1993-08-17 |
| 5095961 | Powder feeding device | — | 1992-03-17 |
| 4743635 | Friction material and method of making such material | Fumiaki Nitto | 1988-05-10 |
| 4678818 | Friction material and method of making such material | Fumiaki Nitto | 1987-07-07 |
| 4672082 | Friction material using steel fibers | Fumiaki Nitto | 1987-06-09 |
| 4665108 | Friction material using iron powder | Fumiaki Nitto | 1987-05-12 |