Koken Co Ltd
Koken Co LActive Patents
0
Total Holdings
24
Patent Holdings
Filter in Explorer →| Patent No. | Title | Status | Filing Date | Grant Date | Claims | Actions |
|---|---|---|---|---|---|---|
| JPH04227265A | High concentration cross-linked atelocollagen plantation co… | Expired / Lapsed | 1991-04-19 | — | 0 | Details |
| EP0338813A2 | Hyaluronic acid-containing aqueous solution or aqueous disp… | Expired / Lapsed | 1989-04-19 | — | 9 | Details |
| EP0311305A1 | Artificial blood vessel | Expired / Lapsed | 1988-09-29 | — | 11 | Details |
| EP0306256A2 | Bioprosthetic valve | Expired / Lapsed | 1988-08-30 | — | 11 | Details |
| EP0268421A2 | An implant composition and a method of preparing the same | Expired / Lapsed | 1987-11-11 | — | 8 | Details |
| EP0243132A2 | Artificial skin and its production | Expired / Lapsed | 1987-04-16 | — | 7 | Details |
| EP0212933A1 | Method of preparing antithrombogenic medical material | Expired / Lapsed | 1986-08-12 | — | 15 | Details |
| EP0200574A2 | A biomaterial comprising a composite material of chitosan d… | Expired / Lapsed | 1986-05-02 | — | 13 | Details |
| EP0183136A1 | A hemostatic agent composed of collagen/gelatin and protami… | Expired / Lapsed | 1985-11-13 | — | 2 | Details |
| JPS6226230A | Crosslinked medical material | Expired / Lapsed | 1985-07-25 | — | 0 | Details |
| EP0132979A2 | Aqueous atelocollagen solution and method of preparing same | Expired / Lapsed | 1984-07-10 | — | 8 | Details |
| JPS5114035A | KONNYAKUKOKARAKONTAKUTORENZUNO SEIZOHO | Expired / Lapsed | 1974-07-24 | — | 0 | Details |
| EP0412554B1 | Sustained-release preparation for administration into brain | Expired / Lapsed | 1990-08-10 | 1994-11-02 | 19 | Details |
| US5314874A | Intracorporeally injectable composition for implanting high… | Expired / Lapsed | 1992-04-15 | 1994-05-24 | 7 | Details |
| US5137875A | Hyaluronic acid-containing aqueous solution or aqueous disp… | Expired / Lapsed | 1989-04-18 | 1992-08-11 | 17 | Details |
| US5080670A | Bioprosthetic valve | Expired / Lapsed | 1988-08-30 | 1992-01-14 | 16 | Details |
| US4806595A | Method of preparing antithrombogenic medical materials | Expired / Lapsed | 1986-08-01 | 1989-02-21 | 17 | Details |
| US4749689A | Hemostatic agent composed of collagen/gelatin and protamine | Expired / Lapsed | 1987-08-17 | 1988-06-07 | 10 | Details |
| US4704131A | Medical materials | Expired / Lapsed | 1984-10-15 | 1987-11-03 | 9 | Details |
| US4695281A | Medical material | Expired / Lapsed | 1983-03-25 | 1987-09-22 | 14 | Details |
| US4592864A | Aqueous atelocollagen solution and method of preparing same | Expired / Lapsed | 1984-07-25 | 1986-06-03 | 10 | Details |
| US4559304A | Substratum for cell culture and a method for culturing and … | Expired / Lapsed | 1983-08-08 | 1985-12-17 | 13 | Details |
| US4413359A | Impermeable laminate membrane | Expired / Lapsed | 1982-02-26 | 1983-11-08 | 4 | Details |
| US4137906A | Catheter apparatus with occlusion and flow diverting means | Expired / Lapsed | 1977-05-05 | 1979-02-06 | 9 | Details |