Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4883563 | Method of manufacturing a thin glass membrane | Haruo Kotani, Katsuhiko Tomita, Tsuyoshi Nakanishi | 1989-11-28 |
| 4816132 | Sheet type electrode | Haruo Kotani, Katsuhiko Tomita, Tsuyoshi Nakanishi | 1989-03-28 |