Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4873156 | Solid electrolytic fuel cell and method for manufacturing same | Tokuki Satake, Hiroshi Sakai, Hayami Nakatani, Masaharu Nakamori | 1989-10-10 |
| 4809055 | Semiconductor device having an electrode and a method of manufacturing the same | Takeshi Tsubata, Kazumi Sasaki | 1989-02-28 |