Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4799856 | Variable capacity radial flow turbine | Nobuyasu Matsudaira, Michio Kyoya, Takashi Mikogami, Eito Matsuo, Nobuhiro Takahira | 1989-01-24 |
| 4781528 | Variable capacity radial flow turbine | Atsushi Hagita, Nobuyasu Matsudaira, Michio Kyoya | 1988-11-01 |
| 4606111 | Method of manufacturing undetachable flange joint | Shigeaki Akazawa | 1986-08-19 |
| 4454644 | Method of making a clamp | Shigeaki Akazawa | 1984-06-19 |