Issued Patents 2004
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6708850 | Discharging container with a filter and a bottle stopper for use in the container | Yorihisa Uetake, Keiji Hamamoto | 2004-03-23 |
| 6672479 | Closing structure of a dispensing container | Keiji Hamamoto, Hirokazu Mihashi | 2004-01-06 |