Issued Patents 2011
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7921798 | Oxygen detector sheet and oxygen detecting agent using the same, and method for manufacturing oxygen detector sheet | Ryuichi Kodama, Hiroshi Endo, Shigeru Tanaka | 2011-04-12 |