Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5651888 | Filtration membrane cartridge | Kenji Shimizu, Hiroshi Ishida, Yutaka Yamada, Kiyoshi Izumi, Masashi Moro | 1997-07-29 |
| 5482625 | Filtration membrane module | Kenji Shimizu, Hiroshi Ishida, Yutaka Yamada, Kiyoshi Izumi, Masashi Moro | 1996-01-09 |
| 4361248 | Metal container | Akio Goto | 1982-11-30 |
| 4262472 | Gas filling method | Akio Goto | 1981-04-21 |