Issued Patents 2004
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6676901 | Oxygen indicator package equipped with oxygen indicator and method for manufacturing the same | Hidetoshi Hatakeyama, Shigeharu Iwauchi, Masahiko Ohsawa | 2004-01-13 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6676901 | Oxygen indicator package equipped with oxygen indicator and method for manufacturing the same | Hidetoshi Hatakeyama, Shigeharu Iwauchi, Masahiko Ohsawa | 2004-01-13 |