Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D277039 | Mop carrier or similar article | Ichiro Miyoshi, Masanobu Nishiyama, Hisaji Tanaka | 1985-01-01 |
| D274854 | Mop carrier | Masanobu Nishiyama, Hisaji Tanaka, Tatsuo Nishimura | 1984-07-24 |
| D274855 | Mop | Masanobu Nishiyama, Hisaji Tanaka, Tatsuo Nishimura | 1984-07-24 |
| 4392269 | Mop carrier | Masanobu Nishiyama, Hisaji Tanaka, Tatsuo Nishimura | 1983-07-12 |