Issued Patents 1982
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4360598 | Zirconia ceramics and a method of producing the same | Tadashi Otagiri, Tetsuo Watanabe | 1982-11-23 |
| 4357223 | Oxygen sensing device | Shuichiro Oki | 1982-11-02 |
| 4339301 | Method for producing a single crystal of ferrite | Soichiro Matsuzawa | 1982-07-13 |