Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7000734 | Lubricating device | Taikou Nawamoto, Kenichi Sugiyama, Yukiyoshi Okazaki | 2006-02-21 |
| 6994531 | High-speed fluidic device | Taikou Nawamoto, Hiroyuki Itoh, Hideo Okano, Takashi Baba | 2006-02-07 |
| 6796126 | Supercharger | Hiroyuki Hasegawa, Shinya Yoshimoto, Hiroyuki Itoh | 2004-09-28 |
| 6623251 | Spindle apparatus | Taikou Nawamoto, Kenichi Sugiyama, Yukiyoshi Okazaki | 2003-09-23 |
| 6398509 | Lubricating device | Yukiyoshi Okazaki, Taikou Nawamoto, Kenichi Sugiyama | 2002-06-04 |
| 6374961 | Tube-pressed brake | Yasuhito Koike, Yoshio Kinoshita | 2002-04-23 |
| 6315096 | Friction engaging device | Yasuhito Koike, Yoshio Kinoshita | 2001-11-13 |
| 6182802 | Elastic-tube-operated brake band | — | 2001-02-06 |
| 6089358 | Tube-pressed brake band | — | 2000-07-18 |
| 5855518 | Damper device for rotary motion | Hirohisa Tanaka | 1999-01-05 |
| 5845756 | Oil pressure circuit for clutch | Masao Shoji, Yasuhito Koike, Mitsuyoshi Suzuki | 1998-12-08 |