Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5993436 | Indwelling catheter with improved kinking resistance | Yoshihide Toyokawa, Takayasu Shimazaki, Kenji Ishikawa | 1999-11-30 |
| 5908656 | Thermoformed medical device with lubricious modified polyethylene oxide layer | Kenji Ishikawa, Kenichi Shimura, Yasunobu Zushi, Naoki Ishii, Taku Aoike | 1999-06-01 |