Issued Patents All Time
Showing 51–61 of 61 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4527042 | Method and apparatus for vacuum sealing a vacuum container assembly | Kiyoshi Nagai | 1985-07-02 |
| 4448809 | Method of silver plating stainless steel vacuum bottle surfaces | Kiyoshi Nagai, Nobuo Imamura | 1984-05-15 |
| 4421720 | Detector for carbon monoxide concentration of a gas | Hideo Kamiya, Yasuhiro Otuka, Mari Okazaki | 1983-12-20 |
| 4304651 | Solid pole oxygen sensor | Hiroshi Wakizaka, Yasuhiro Otsuka, Shinichi Matsumoto | 1981-12-08 |
| 4299627 | Method of manufacturing oxygen sensing element | Yasuhiro Otsuka, Shinichi Matsumoto, Toshinobu Furutani, Hiroshi Wakizaka | 1981-11-10 |
| 4297192 | Catalyst supported oxygen sensor element and a method of manufacturing same | Yasuhiro Otsuka, Shinichi Matsumoto, Hiroshi Wakisaka, Toshinobu Furutani | 1981-10-27 |
| 4292157 | Solid pole oxygen sensor and its manufacturing process | Hiroshi Wakizaka, Yasuhiro Otsuka, Shinichi Matsumoto | 1981-09-29 |
| 4284486 | Solid pole oxygen sensor and its manufacturing process | Yasuhiro Otsuka, Hideo Kamiya, Hiroshi Wakizaka, Toshinobu Furutani | 1981-08-18 |
| 4272349 | Catalyst supported oxygen sensor with sensor element having catalyst and protective layers and a method of manufacturing same | Toshinobu Furutani, Yasuhiro Otsuka, Shinichi Matsumoto, Hiroshi Wakisaka | 1981-06-09 |
| 4265930 | Process for producing oxygen sensing element | Yasuhiro Otsuka, Shinichi Matsumoto, Toshinobu Furutani, Hiroshi Wakizaka | 1981-05-05 |
| 4209377 | Oxygen sensing element | Yasuhiro Otsuka, Shinichi Matsumoto, Toshinobu Furutani, Hiroshi Wakizaka | 1980-06-24 |