Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8337601 | Air filter sheet, process for manufacturing same, and air filter | Toshiro Nakano, Takashi Tanahashi | 2012-12-25 |
| 7615194 | Purification composition and filter for ozone-containing exhaust gas | Yuji Matumura, Masahiko Yoneda, Kazuki Yamana | 2009-11-10 |
| 5578455 | Method for determining endotoxin and apparatus therefor | Tetsuya Tosa, Takeji Shibatani, Taizo Watanabe, Makoto Masuda | 1996-11-26 |
| 5342785 | Method for determining pyrogen content | Tetsuya Tosa, Tadashi Sato, Taizo Watanabe | 1994-08-30 |
| 4909942 | Process for removing pyrogens | Tadashi Sato, Taizo Watanabe, Takashi Nishimura, Masahiro Kagotani, Tomonobu Ase +2 more | 1990-03-20 |
| 4381239 | Method for reducing the pyrogen content of or removing pyrogens from substances contaminated therewith | Ichiro Chibata, Tetsuya Tosa, Tadashi Sato, Taizo Watanabe | 1983-04-26 |