Issued Patents All Time
Showing 1–10 of 10 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6929985 | Air filter, method of manufacturing air filter, local facility, clean room, treating agent, and method of manufacturing filter medium | Sadao Kobayashi, Yoshihide Wakayama | 2005-08-16 |
| 6613835 | Wet sealing materials and building components useful for clean rooms and local facilities | Sadao Kobayashi, Yoshihide Wakayama | 2003-09-02 |
| 6471740 | Air filter | Sadao Kobayashi, Yoshihide Wakayama | 2002-10-29 |
| 6337365 | Electronic/electric components used in clean room and substrate treatment apparatus | Takenobu Matsuo, Tsuyoshi Wakabayashi, Misako Saito, Sadao Kobayashi, Yoshihide Wakayama | 2002-01-08 |
| 6293982 | Air filter, local facility, and clean room | Sadao Kobayashi, Yoshihide Wakayama | 2001-09-25 |
| 6155922 | Building components useful for clean rooms | Sadao Kobayashi, Yoshihide Wakayama | 2000-12-05 |
| 6106586 | Air filter for clean room | Sadao Kobayashi, Yoshihide Wakayama | 2000-08-22 |
| 6077894 | Instrument and mounting equipment used in clean room | Misako Saito, Takenobu Matsuo, Tsuyoshi Wakabayashi, Sadao Kobayashi, Yoshihide Wakayama | 2000-06-20 |
| 5997598 | Air filter for clean room | Sadao Kobayashi, Yoshihide Wakayama | 1999-12-07 |
| 5869560 | Sealing materials and building components useful for clean rooms | Sadao Kobayashi, Yoshihide Wakayama | 1999-02-09 |