Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5866636 | Non-asbestos friction material | Fumiaki Nitto, Tatsuya Sano, Seigou Sakagami, Masanori Ibuki | 1999-02-02 |
| 5268398 | Friction material and method of manufacturing such material | Mitsuhiko Nakagawa, Yukinori Yamashita, Masanori Ibuki | 1993-12-07 |
| 5266395 | Friction material for making brake pads | Yukinori Yamashita, Mitsuhiko Nakagawa, Masanori Ibuki | 1993-11-30 |