Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4875533 | Automatic weight detecting device | Masanobu Inoue, Kenzo Ohji, Shuji Itou | 1989-10-24 |
| 4825967 | Weight detecting apparatus | Kazuho Sakamoto, Kenzo Ohji, Shuji Itou | 1989-05-02 |