Issued Patents 2003
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6641647 | Hydrogen-permeable structure and method of manufacturing the same | Takashi Uemura, Nobuyuki Okuda, Takeshi Hikata | 2003-11-04 |
| 6572683 | Substance separation structure and method of preparing the same | Takeshi Hikata, Nobuyuki Okuda, Takashi Uemura | 2003-06-03 |