Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7768029 | LED lamp | Kanae Matsumura, Hideaki Kato, Shunsuke Ohtsuka | 2010-08-03 |
| D570306 | Light emitting diode lamp | — | 2008-06-03 |
| 7279723 | LED lamp | Kanae Matsumura, Hideaki Kato, Shunsuke Ohtsuka | 2007-10-09 |
| 6834977 | Light emitting device | Yoshinobu Suehiro, Yuji Takahashi, Hideaki Kato, Koichi Kaga, Shunsuke Ohtsuka | 2004-12-28 |
| 6713877 | Light-emitting diode | Atsuo Hirano, Yukio Yoshikawa, Takemasa Yasukawa | 2004-03-30 |
| 6445011 | Light-emitting diode | Atsuo Hirano, Yukio Yoshikawa, Takemasa Yasukawa | 2002-09-03 |