Issued Patents 1989
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4826412 | Mechanically driven screw supercharger | Itsuro Nomura, Kunihiko Nishitani, Noboru Tsuboi | 1989-05-02 |
| 4815556 | Vibration-proof apparatus for a vehicle | Takashi Sumimoto, Takashi Hirochika, Hideki Imanishi | 1989-03-28 |
| 4812110 | Oil-free screw compressor with bypass of cooled discharged gas | Noboru Tsuboi, Kunihiko Nishitani, Ituro Nomura | 1989-03-14 |