Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4831324 | Method and apparatus for analyzing the electrode inpedance | Yamato Asakura, Masao Endo, Shunsuke Uchida, Masami Matsuda | 1989-05-16 |
| 4808828 | Method of and apparatus for simultaneous determination | Takehiko Kitamori, Haruo Fujimori | 1989-02-28 |