Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6210458 | Gas filter module having two-part filter and method of producing the same | Toyohiko Shindo, Koichi Imura, Takafumi Imaizumi, Hiroyuki Ichikawa, Takeshi Iwasaki | 2001-04-03 |