Issued Patents 1982
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4344918 | Determination of total carbon in liquid samples | — | 1982-08-17 |
| 4321654 | Frame unit for electronic communication devices | Toshihiko Nakajo, Katsuo Okuyama, Yutaka Matsukuma | 1982-03-23 |