Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D467376 | Combined flashlight and fluorescent lamp | Yukihiro Yamamoto, Setsuo Ohtaka | 2002-12-17 |
| D465045 | Flashlight | Yukihiro Yamamoto, Setsuo Ohtaka | 2002-10-29 |
| D464753 | Portable light | Yukihiro Yamamoto, Setsuo Ohtaka | 2002-10-22 |