Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10688777 | Plate cylinder | Tomohiro OKU, Toru Kitagawa, Hitoshi Tojima | 2020-06-23 |
| 10654262 | Plate cylinder and plate mounting device | Tomohiro OKU, Toru Kitagawa, Hitoshi Tojima | 2020-05-19 |
| 5261638 | Pipe connection device | Morio Wakita, Katsumi Tomioka, Masaaki Inoue, Yuji Kondo | 1993-11-16 |
| 5063964 | Pipe coupling used with automatic connecting and disconnecting device | Katsumi Tomioka | 1991-11-12 |
| 4903730 | Pipe coupling used with automatic connecting and disconnecting device | Noboru Otsuki, Katsumi Tomioka | 1990-02-27 |