Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4828945 | Solid electrolyte sheet and process for producing the same | Masaki Nagata, Shigeo Kondo, Tadashi Sotomura | 1989-05-09 |
| 4810599 | Structure suitable for solid electrochemical elements | Shigeo Kondo, Masaki Nagata, Tadashi Sotomura | 1989-03-07 |