Issued Patents 2002
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6471740 | Air filter | Sadao Kobayashi, Masayuki Imafuku | 2002-10-29 |
| 6337365 | Electronic/electric components used in clean room and substrate treatment apparatus | Takenobu Matsuo, Tsuyoshi Wakabayashi, Misako Saito, Sadao Kobayashi, Masayuki Imafuku | 2002-01-08 |