Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11441120 | Cell culture substrate | Tetsuo Takada, Ayako Isshiki | 2022-09-13 |
| 11427803 | Cell culture substrate | Ayako Isshiki | 2022-08-30 |
| 7649041 | Aqueous coating composition | Ren-Hua Jin, Seungtaeg Lee | 2010-01-19 |