Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5202305 | Superconducting structure for magnetic shielding | Keiichiro Watanabe, Hitoshi Yoshida, Hitoshi Sakai, Manabu Yoshida | 1993-04-13 |
| 5089468 | Process for producing bismuth-based superconducting oxide | Hitoshi Yoshida, Hitoshi Sakai, Keiichiro Watanabe, Manabu Yoshida, Toshio Oda | 1992-02-18 |
| 4940528 | Oxygen sensor elements | Fujio Ishiguro | 1990-07-10 |
| 4717464 | Oxygen sensor | Norio Oshima, Takao Murase | 1988-01-05 |
| 4650697 | Process of manufacturing oxygen sensor | Jiro Kitagawa | 1987-03-17 |
| 4370213 | Oxygen sensor | Tetsuo Watanabe | 1983-01-25 |
| 4357223 | Oxygen sensing device | Syunzo Mase | 1982-11-02 |