Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6632358 | Tank filtration apparatus containing hollow fiber membrane cartridge | Hidehiko Tanaka | 2003-10-14 |
| 6592152 | Joint structure for filtration membrane module | Tatsuo Nejigaki | 2003-07-15 |
| 6495041 | Method for purifying aqueous suspension | Tohru Taniguchi, Takehiko Otoyo | 2002-12-17 |
| 6331248 | Hollow fiber membrane module | Tohru Taniguchi | 2001-12-18 |
| 6322703 | Method for purifying aqueous suspension | Tohru Taniguchi, Takehiko Otoyo | 2001-11-27 |
| 5019482 | Polymer/oxime ester/coumarin compound photosensitive composition | Hideo Ai, Satoshi Ogitani, Hideaki Takahashi, Akihiko Ikeda | 1991-05-28 |
| 4465630 | Tetraazaannulene cobalt complex compounds and method for preparation therefor | Kageyasu Akashi | 1984-08-14 |