Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6210458 | Gas filter module having two-part filter and method of producing the same | Toyohiko Shindo, Takafumi Imaizumi, Hiroyuki Ichikawa, Kazuyuki Ohshima, Takeshi Iwasaki | 2001-04-03 |
| 5834108 | Multi-layered ceramic porous body | Shunzo Shimai, Ichiro Shibata, Kenichi Okamoto, Akiko Niizuma, Tadayoshi Muto | 1998-11-10 |
| 5762841 | Ceramic porous body having a continuous particle size distribution | Shunzo Shimai, Kenichi Okamoto, Koichi Shiraishi, Kuniko Ando | 1998-06-09 |
| 5405529 | Ceramic filter and manufacturing method therefor | Shunzo Shimai, Kenichi Okamoto, Tadayoshi Muto | 1995-04-11 |