Issued Patents 1989
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4883563 | Method of manufacturing a thin glass membrane | Haruo Kotani, Takaaki Yada, Tsuyoshi Nakanishi | 1989-11-28 |
| 4872956 | Methods of measuring ion-concentration and the like and a calibrating sheet as well as a calibrating method of measuring devices used therein | Haruo Kotani | 1989-10-10 |
| 4872966 | Sheet type electrode for use in the measurement of ion concentrations | Haruo Kotani | 1989-10-10 |
| 4850105 | Method of taking out lead of semiconductor tip part | Kazuo Nakajima | 1989-07-25 |
| 4816132 | Sheet type electrode | Haruo Kotani, Takaaki Yada, Tsuyoshi Nakanishi | 1989-03-28 |
| 4797188 | Sheet type electrode for use in measurement of ions | — | 1989-01-10 |