Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7250861 | Crime-prevention lighting device | Akira Yukawa, Tadashi Sugimoto, Hiroyuki Tomooka, Akihiko Hayashi | 2007-07-31 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7250861 | Crime-prevention lighting device | Akira Yukawa, Tadashi Sugimoto, Hiroyuki Tomooka, Akihiko Hayashi | 2007-07-31 |