Issued Patents 2002
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6391075 | Packaged air filter part and method of packaging the air filter part | Kazuhiro Meiji, Seiichi Hirano, Shinji Ohno | 2002-05-21 |
| 6392525 | Magnetic element and method of manufacturing the same | Junichi Kato, Seiichi Nakatani, Koichi Hirano, Toshiyuki Asahi | 2002-05-21 |
| 6355135 | Method of laminating gas permeable sheet material | Toshio Kusumi, Jun Asano, Katsutoshi Yamamoto, Osamu Tanaka, Shinichi Chaen +1 more | 2002-03-12 |
| 6336948 | Fire-retardant filter medium and air filter unit | Shinichi Chaen, Nobuki Uraoka, Toshio Kusumi, Jun Asano, Seiichi Hirano +1 more | 2002-01-08 |