Issued Patents All Time
Showing 1–9 of 9 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6623637 | Hollow-fiber membrane module | Takahito Hirashima | 2003-09-23 |
| 5662843 | Method for the production of polyolefin hollow fiber filter bundles | Masaharu Watanabe | 1997-09-02 |
| 5505858 | Polyolefin filter element and method for the production thereof | Masaharu Watanabe | 1996-04-09 |
| RE33932 | Hollow fiber-type artificial lung | Hiromichi Fukasawa | 1992-05-19 |
| 4940562 | Filter element and method for manufacture thereof and micro-filtration filter having the filter element | Masaharu Watanabe | 1990-07-10 |
| D291920 | Cardiotomy reservoir | Masaru Wada | 1987-09-15 |
| D291650 | Holder ring for cardiotomy reservoir | — | 1987-09-01 |
| 4664682 | Device for receiving and treating blood | — | 1987-05-12 |
| 4620965 | Hollow fiber-type artificial lung | Hiromichi Fukusawa | 1986-11-04 |