Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4802942 | Method of making multilayer composite hollow fibers | Hajime Itoh, Jun Kamo, Haruhiko Yoshida | 1989-02-07 |
| 4781832 | Hollow-fiber filter module | Haruhiko Yoshida, Hiroshi Takahashi, Yoshikazu Fujinaga, Masashi Okamoto | 1988-11-01 |
| 4741829 | Composite hollow fibers and method of making same | Haruhiko Yoshida, Osamu Hukunaga | 1988-05-03 |
| 4720342 | Hollow-fiber filter module with filtrate conduit | Haruhiko Yoshida, Hiroshi Takahashi, Yoshikazu Fujinaga, Masashi Okamoto | 1988-01-19 |
| 4713292 | Multilayer composite hollow fibers and method of making same | Hajime Itoh, Jun Kamo, Haruhiko Yoshida | 1987-12-15 |
| 4639353 | Blood oxygenator using a hollow-fiber membrane | Atushi Nakashima, Haruhiko Yoshida, Jun Kamo, Eiichi Hamada | 1987-01-27 |
| 4605500 | Hollow-fiber filter module | Haruhiko Yoshida, Takuma Mukai, Hiroshi Takahashi, Yoshikazu Fujinaga | 1986-08-12 |