Issued Patents All Time
Showing 1–11 of 11 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7422750 | Food or beverage containing fucoidan and method of production thereof | Hiroshi Kihara, Katsushige Ikai, Ikunoshin Kato | 2008-09-09 |
| 6573250 | Food or beverage additive containing fucoidan and food and beverage containing fucoidan | Hiroshi Kihara, Katsushige Ikai, Ikunoshin Kato | 2003-06-03 |
| 5196453 | Crystalline deoxyspergualin, process for its preparation and suppository containing the same | Hironobu Hiraga, Takaaki Ohkuma | 1993-03-23 |
| 5162581 | Crystalline deoxyspergualin, process for its preparation and suppository containing the same | Katsushige Ikai, Makoto Moriguchi, Ikunoshin Kato, Tetsushi Saino, Hironobu Hiraga +1 more | 1992-11-10 |
| 5137917 | Spergualin-related compound and use thereof | Tsugio Tomiyoshi, Takako Mae, Tetsushi Saino | 1992-08-11 |
| 5061787 | Novel spergualin-related compounds and compositions | Tetsushi Saino, Tsugio Tomiyoshi, Kyuichi Nemoto | 1991-10-29 |
| 4990536 | Immunopotentiator and spergualin-related compound therefor | Takeji Sakasai, Tsugio Tomiyoshi, Keiko Watanabe, Kyuichi Nemoto, Tetushi Saino | 1991-02-05 |
| 4981595 | Process for the purification of spergualin-related compounds | Makoto Moriguchi, Keiko Miyazaki, Toru Kurome, Ikunoshin Kato, Tetsushi Saino | 1991-01-01 |
| 4603015 | Method for producing glyoxylylspermidine and the use thereof for the production of 15-deoxy spergualin-related compounds | Makoto Moriguchi, Teruya Nakamura, Akio Fujii, Tomio Takeuchi, Hamao Umezawa | 1986-07-29 |
| 4556735 | Spergualin-related compounds having a phenylene group as well as a process for producing the same | Hamao Umezawa, Tomio Takeuchi, Rinzo Nishizawa, Katsutoshi Takahashi, Teruya Nakamura | 1985-12-03 |
| 4529549 | Spergualin-related compounds and process for the preparation thereof | Hamao Umezawa, Tomio Takeuchi, Rinzo Nishizawa, Katsutoshi Takahashi, Teruya Nakamura | 1985-07-16 |