Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12346872 | Product sales system | Kenichiro Hiroto, Kojiro Kato | 2025-07-01 |
| 8238733 | Device having heating/heat-retaining tube | Kazunori Sawada, Yuji Nakabayashi, Satoru Hosotani, Nobuyuki Asari | 2012-08-07 |
| 6142537 | Connector | Takeshi Dogochi, Shinichi Nagai, Shuichi Saga | 2000-11-07 |
| 5172943 | Pipe joint and its pipe slipout preventive mechanism | — | 1992-12-22 |