Issued Patents 2004
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6765352 | Photocathode and electron tube | Akihiko Ohtomo, Tsuneo Ihara, Yoshiyuki Natsume | 2004-07-20 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6765352 | Photocathode and electron tube | Akihiko Ohtomo, Tsuneo Ihara, Yoshiyuki Natsume | 2004-07-20 |