Issued Patents All Time
Showing 1–10 of 10 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D550869 | LED lamp | Kiyotoshi Hoshikawa, Yutaka Hirasawa | 2007-09-11 |
| D550379 | LED lamp | Kiyotoshi Hoshikawa, Yutaka Hirasawa | 2007-09-04 |
| D546985 | LED lamp | Kiyotoshi Hoshikawa, Yutaka Hirasawa | 2007-07-17 |
| D520657 | LED lamp | Kiyotoshi Hoshikawa, Yutaka Hirasawa | 2006-05-09 |
| D508234 | LED holder | Hideo Moriyama, Kiyotoshi Hoshikawa, Yutaka Hirasawa | 2005-08-09 |
| D506274 | LED lamp | Hideo Moriyama, Kiyotoshi Hoshikawa | 2005-06-14 |
| D505663 | LED holder | Hideo Moriyama, Kiyotoshi Hoshikawa, Yutaka Hirasawa | 2005-05-31 |
| D505662 | LED holder | Hideo Moriyama, Kiyotoshi Hoshikawa, Yutaka Hirasawa | 2005-05-31 |
| D493004 | Light emitting diode lamp | Kiyotoshi Hoshikawa | 2004-07-13 |
| D457664 | Lamp device | Hideo Moriyama, Masayuki Katogi | 2002-05-21 |