Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D975276 | Sperm injection device | — | 2023-01-10 |
| 7635297 | Blow out grill and air conditioning ventilating system using the grill | Kei TAKESHITA | 2009-12-22 |
| 5960793 | Breathing device for diving | Kiyoshi Hashimoto | 1999-10-05 |
| 5839435 | Mouthpiece unit for semiclosed-circuit breathing apparatus | Kiyoshi Hashimoto | 1998-11-24 |
| 5720279 | Semiclosed respirator | Yutaka Furuichi | 1998-02-24 |
| 5619987 | Semi-closed rebreathing apparatus with water removing pump | — | 1997-04-15 |