Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4708944 | Protease adsorbent and process for purifying TPA utilizing the same | Tetsuya Someno, Kazuo Kato, Yasushi Takahashi, Tomio Takeuchi, Hamao Umezawa | 1987-11-24 |
| 4690764 | Aerator and aerobic biological treatment process using same | Munehiro Okumura, Takao Nomura, Tadashi Matsuda, Shojiro Kido, Hideki Hattori | 1987-09-01 |
| 4668401 | Hollow-fiber filter module and filtration method using the same | Munehiro Okumura, Kazuo Kuwahara, Masujiro Arita, Shingo Mori, Tetsuya Ohmura +1 more | 1987-05-26 |
| 4525465 | Water-insoluble biospecific absorbent containing argininal derivative | Tetsuya Someno, Kazuo Kato, Tetsushi Saino, Tomio Takeuchi, Hamao Umezawa | 1985-06-25 |
| 4401594 | L-Argininal derivatives and a method of manufacturing the same | Hamao Umezawa, Tomio Takeuchi, Takaaki Aoyagi, Tetsushi Saino, Tetsuya Someno | 1983-08-30 |