Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5647220 | Method of controlling cooling in a vending machine and device therefor | Yoshihiro Kawaguchi, Yutaka Nishioka, Michinobu In, Hiroyuki Kakiuchi, Shozo Iwamoto | 1997-07-15 |
| 5431469 | Vacuum lift device | Takayoshi Nakamura, Hiroshi Yamada, Kurt Schmalz, Wolfgang Schmalz | 1995-07-11 |
| 4605111 | Hoist | Kazuo Maeda | 1986-08-12 |
| 4469308 | Lever hoist | Takayoshi Nakamura, Kazuo Maeda, Teruo Akiyama | 1984-09-04 |