Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8109907 | Continuous drug solution infusion device | Osamu Tsukada | 2012-02-07 |
| 7537589 | Intermittent urethra self-retaining catheter set | Osamu Tsukada | 2009-05-26 |
| 7338480 | Diagnosis catheter for interstitial cystitis | Tomohiro Ueda | 2008-03-04 |
| 7048193 | Motorized infusion injection system | Osamu Tsukada | 2006-05-23 |
| 6695831 | Catheter for intermittent self-conduction of urine | Osamu Tsukada | 2004-02-24 |
| 6530901 | Portable painkilling system | Osamu Tsukada | 2003-03-11 |
| 6090087 | Simplified, automatic opening and closing type urination device | Osamu Tsukada | 2000-07-18 |
| 6059761 | Simple automatic opening and closing type of urination apparatus | Osamu Tsukada | 2000-05-09 |