Issued Patents All Time
Showing 1–17 of 17 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6284137 | Polysulfone porous membrane and a method of manufacturing the same | Akira Hajikano, Kei Murase | 2001-09-04 |
| 5963701 | Plastic optical fibers and optical fiber cables | Kazuki Nakamura, Jun Okumura, Kikue Irie, Makoto Muro, Katsuhiko Shimada | 1999-10-05 |
| 5746916 | Microporous membrane made of non-crystalline polymers and method of producing the same | Seiya Koyanagi, Miho Kawai | 1998-05-05 |
| 5547756 | Porous polypropylene hollow fiber membrane of large pore diameter, production process thereof, and hydrophilized porous hollow fiber membranes | Takayuki Hirai, Hiroshi Takahashi, Kenji Kondou | 1996-08-20 |
| 5403483 | Hydrophobic porous membranes and process for the manufacture thereof | Kazuaki Hayashida, Takao Miyamori | 1995-04-04 |
| 5395525 | Apparatus for exchanging substances | Hisateru Takano, Haruhiko Akagi, Yoshiyuki Taenaka, Takanobu Aoyagi | 1995-03-07 |
| 5330830 | Heat-resisting porous membrane, hydrophilized heat-resisting porous membrane and production processes thereof | Takao Miyamori, Kazuaki Hayashida | 1994-07-19 |
| 5294338 | Porous polyethylene hollow fiber membrane of large pore diameter, production process thereof, and hydrophilized porous polyethylene hollow fiber membranes | Takayuki Hirai, Hiroshi Takahashi, Kenji Kondo | 1994-03-15 |
| 5232642 | Process of making porous polypropylene hollow fiber membrane of large pore diameter | Takayuki Hirai, Hiroshi Takahashi, Kenji Kondou | 1993-08-03 |
| 5154740 | Membranous gas separator | Akira Motonaga, Kensuke Kamada, Hiroshi Hosokawa | 1992-10-13 |
| 5045357 | Process for preparing a membranous gas separator | Akira Motonaga, Kensuke Kamada, Hiroshi Hosokawa | 1991-09-03 |
| 4802942 | Method of making multilayer composite hollow fibers | Tohru Takemura, Hajime Itoh, Haruhiko Yoshida | 1989-02-07 |
| 4791054 | Heat exchanger and blood oxygenating device furnished therewith | Eiichi Hamada, Toshio Yoshihara, Atushi Nakashima | 1988-12-13 |
| 4713292 | Multilayer composite hollow fibers and method of making same | Tohru Takemura, Hajime Itoh, Haruhiko Yoshida | 1987-12-15 |
| 4659549 | Blood oxygenator using a hollow fiber membrane | Eiichi Hamada, Atushi Nakashima | 1987-04-21 |
| 4639353 | Blood oxygenator using a hollow-fiber membrane | Tohru Takemura, Atushi Nakashima, Haruhiko Yoshida, Eiichi Hamada | 1987-01-27 |
| 4388256 | Process for manufacturing regenerated cellulose hollow fiber | Masamichi Ishida, Toru Takemura, Shunsuke Minami, Kensuke Kamada | 1983-06-14 |