Issued Patents All Time
Showing 1–11 of 11 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6094815 | Method of manufacturing rotor for a vane compressor | Hidekatsu Shigihara | 2000-08-01 |
| 6056525 | Vane compressor | Toshihiro Murayama, Tomoyasu Takahashi, Yoshiteru Hirao, Hidetoshi Arahata, Katsumi Sakamoto +6 more | 2000-05-02 |
| 5921273 | Delivery valve assembly for compressor | Katsumi Sakamoto, Nobuyuki Nakajima, Toshihiro Murayama, Shunji Muta, Tomoyasu Takahashi +1 more | 1999-07-13 |
| 5899677 | Vane compressor having a high-pressure space formed in the cam ring | Jin Ohsawa, Toshihiro Murayama | 1999-05-04 |
| 5348457 | Vane-type compressor with at least one suction hole | Hiroyuki Suzuki, Shinichi Hara | 1994-09-20 |
| 5158390 | Jointing structure of rotor and shaft | Masahiro Ito, Nobuya Amano | 1992-10-27 |
| 5046935 | Compressor with reduced vibrations | Masahiro Iio, Katsumi Sakamoto | 1991-09-10 |
| 4934912 | Sliding-vane rotary compressor with vibration cushioning members | Masahiro Iio, Yoshio Suzuki, Toshihiro Murayama | 1990-06-19 |
| 4834634 | Sliding-vane rotary compressor for bearing lubrication | — | 1989-05-30 |
| 4830590 | Sliding-vane rotary compressor | Seiji Sumikawa, Hidehiko Takayama, Yoshio Suzuki | 1989-05-16 |
| 4776778 | Refrigerant compressor with shaft bearing having improved wear resistance | Masahiro Iio, Haruhiko Takada, Teruo Nakamura | 1988-10-11 |