Issued Patents 2003
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6670752 | Cathode for emitting photoelectron or secondary electron, photomultiplier tube, and electron-multiplier tube | Masao Kinoshita, Hiroyuki Watanabe | 2003-12-30 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6670752 | Cathode for emitting photoelectron or secondary electron, photomultiplier tube, and electron-multiplier tube | Masao Kinoshita, Hiroyuki Watanabe | 2003-12-30 |