Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9027728 | Segment type friction material | Hiroaki Hiramatsu | 2015-05-12 |
| 8157075 | Wet friction material | Hiroki Okamura | 2012-04-17 |
| 7972675 | Friction material | Yuko Higashijima | 2011-07-05 |
| 7488440 | Friction material and its manufacturing method | Yuko Higashijima | 2009-02-10 |
| 7165664 | Wet-type segmented friction material and its manufacturing method | Masato Suzuki, Masayuki Mizuno, Hideto Nakagawa | 2007-01-23 |
| 7051858 | Friction material and its manufacturing method | Yuko Higashijima | 2006-05-30 |
| 6776276 | Wet friction material and its manufacturing method | Hiroki Okamura, Masato Suzuki | 2004-08-17 |