Issued Patents All Time
Showing 26–28 of 28 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6524212 | Toroidal-type continuously variable transmission for automobiles | Kenshi Ushijima, Toshikazu Nanbu, Jun Watanabe | 2003-02-25 |
| 6254503 | V-belt driven pulley and continuously variable transmission using the same | Makoto Yoshida, Toshikazu Nanbu | 2001-07-03 |
| 6121168 | Wet type paper friction material with combined improved friction characteristics and compression fatigue strength | Maki Irifune, Tetsuya Ishitani, Takao Shibuya, Makoto Maeda, Yasuhiro Murakami | 2000-09-19 |