Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5916266 | Raw membranous material for medical materials and manufacturing methods thereof | Tokuzo Nakagawa, Kazuo Kondoh | 1999-06-29 |
| 5876451 | Medical device and method for producing the same | Tokuzo Nakagawa, Kazuo Kondo | 1999-03-02 |
| 5723010 | Medical device and method for producing the same | Tokuzo Nakagawa, Kazuo Kondo | 1998-03-03 |
| 5618312 | Medical materials and manufacturing methods thereof | Tokuzo Nakagawa, Kazuo Kondoh | 1997-04-08 |