Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10905860 | Vascular occlusion balloon catheter | Tatsuya Kawase, Nozomi Nakanishi, Sayumi Hirose | 2021-02-02 |
| 6051629 | Ink composition | Shuji Ichikawa | 2000-04-18 |
| 6048914 | Ink composition for writing instrument | Shuji Ichikawa | 2000-04-11 |
| 5620777 | Porous rubber stamp material having open cells | Shigehiro Sasaki | 1997-04-15 |
| 5397417 | Process for producing sponge rubber stamp having open cell | Hiroshi Sasaki | 1995-03-14 |