Issued Patents All Time
Showing 1–14 of 14 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5776758 | Cysteine protease derived from parasitic helminths | Fusanori Hamajima, Mikio Yamamoto, Kazuo Yamagami | 1998-07-07 |
| 5597619 | Filtering material and method of producing the same | — | 1997-01-28 |
| 5545240 | Deodorants and gas filters therefor | Akihiko Yokoo, Takeshi Sakurai, Tetsuro Ogawa | 1996-08-13 |
| RE35267 | Separating agent, separator and method of separating cell or virus | Takeshi Ichitsuka, Akihiko Yokoo, Tsuneo Hiraide | 1996-06-11 |
| 5352418 | Filtering material and method of producing the same | — | 1994-10-04 |
| 5310548 | Deodorants, deodorant sheets, filter sheets and functional papers as well as filtering mediums for exhaust gas | Akihiko Yokoo, Takeshi Sakurai, Tetsuro Ogawa | 1994-05-10 |
| 5296254 | Method of producing a filtering material | — | 1994-03-22 |
| 5164186 | Drug-releaser | Ichiro Masuno | 1992-11-17 |
| 5143752 | Filtering material of apatite and glucan used for surgical masks and method of making it | Tooru Nakajima | 1992-09-01 |
| 5098842 | Medium, apparatus and method for cell separation | Toru Nakajima, Masahiro Sato, Katsuhiko Nishimura | 1992-03-24 |
| 5085781 | Separating agent, separator and method of separating cell or virus | Akihiko Yokoo, Takeshi Ichitsuka, Tsuneo Hiraide | 1992-02-04 |
| 5055307 | Slow release drug delivery granules and process for production thereof | Masashi Tsugita, Ken Takasaki, Akihiko Yokoo, Takeshi Ichitsuka | 1991-10-08 |
| 4865733 | Cell separator device | Shoichi Mori, Noriko Komatsu, Shigeo Fujii | 1989-09-12 |
| 4761366 | Medium, apparatus and method for cell separation | Toru Nakajima, Masahiro Sato, Katsuhiko Nishimura | 1988-08-02 |