Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4850442 | Zero-point adjustment of weighing device | Kazufumi Naito, Hideo Nobutugu | 1989-07-25 |
| RE32987 | Combination weighing system and method | Kazufumi Naito, Hideo Nobutugu, Yuko Nakagawa, Seiji Yamada, Shuji Murata | 1989-07-18 |