Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8951689 | Fuel cell system including coolant additive and ion exchange resin and fuel-cell vehicle | Katsuhiko Sato, Akihiro Sagasaki, Tokio Wada, Yoshito Kato | 2015-02-10 |
| 6694976 | Oscillating air pressure generator, diaphragm unit, and high-frequency artificial respiration apparatus using the same | Toshihisa Takaki, Yasuhito Sugiura, Katsuyoshi Suzuki, Masahiro Kamada, Tomohisa Ohtake | 2004-02-24 |
| 6446629 | Artificial respiration apparatus | Toshihisa Takaki, Masatake Saito, Yasuhito Sugiura, Katsuyoshi Suzuki, Masahiro Kamada +3 more | 2002-09-10 |
| 6209540 | Artificial respiration apparatus | Yasuhito Sugiura, Katsuyoshi Suzuki, Masahiro Kamada, Toshihisa Takaki, Kazufuku Nitta +1 more | 2001-04-03 |
| 5850835 | Respirator system | Toshihisa Takaki, Hiroshi Takabayashi, Yasuhito Sugiura, Katuyoshi Suzuki, Masahiro Kamada +2 more | 1998-12-22 |