Issued Patents 2004
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D497195 | Water purifier | Atsuko Nishi | 2004-10-12 |
| D490876 | Collection header for filtration | Hiroyuki Okazaki, Tetsuhiko Nakahara | 2004-06-01 |
| D490497 | Collection header pipe for filtration | Hiroyuki Okazaki, Tetsuhiko Nakahara | 2004-05-25 |