Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8337601 | Air filter sheet, process for manufacturing same, and air filter | Satoshi Minobe, Takashi Tanahashi | 2012-12-25 |
| 7377963 | Adsorption filter and manufacturing method thereof | Takashi Tanahashi, Akihiro Imai, Takashi Taniguchi | 2008-05-27 |
| 7364608 | Chemical filter and method for manufacturing same | Takashi Tanahashi, Akihiro Imai | 2008-04-29 |