Issued Patents All Time
Showing 76–81 of 81 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4770170 | Cuff pressure regulator for endotracheal-tube cuff | Toshihisa Hasegawa | 1988-09-13 |
| 4686974 | Breath synchronized gas-insufflation device and method therefor | Naoto Okazaki, Toshihisa Hasegawa, Katsumasa Fujii, Kazukiyo Takano | 1987-08-18 |
| 4681099 | Breath-synchronized concentrated-oxygen supplier | Naoto Okazaki, Katsumasa Fujii | 1987-07-21 |
| 4670324 | Hollow plate made of synthetic resin | Yoshihiro Asano | 1987-06-02 |
| 4648395 | Synchronized feed type oxygen concentrator for use in an open breathing system | Kozo Moriya | 1987-03-10 |
| 4331455 | Method of producing oxygen rich gas utilizing an oxygen concentrator having good start-up characteristics | — | 1982-05-25 |