Issued Patents 2002
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6497757 | Apparatus for removing impurity contents in the air | Mikio Matsuki, Norio Tanaka, Hiroshi Ogata | 2002-12-24 |
| 6387165 | Airborne molecular contaminant removing apparatus | — | 2002-05-14 |
| 6376401 | Ultraviolet ray-transparent optical glass material and method of producing same | Shinichi Kondo, Takayuki Nakamura, Kazuhiko Fukuda, Naoyoshi Kamisugi, Nobu Kuzuu +1 more | 2002-04-23 |