Issued Patents All Time
Showing 1–10 of 10 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9991236 | LED lamp device having a fluorescent element shaped for uniform light conversion | Hiroshi Imamura | 2018-06-05 |
| 9099333 | LED lamp device having a fluorescent element shaped for uniform light conversion | Hiroshi Imamura | 2015-08-04 |
| 8967827 | Lead frame, wiring board, light emitting unit, and illuminating apparatus | Yoji Urano, Ikko Kuzuhara, Kenichiro Tanaka | 2015-03-03 |
| 8894251 | Lighting device topology for reducing unevenness in LED luminance and color | Keiji Kiba, Kenichiro Tanaka | 2014-11-25 |
| 8876311 | Light emitting device and illumination apparatus including same | Keiji Kiba | 2014-11-04 |
| 8592836 | Light emitting device and illumination apparatus using same | Yoji Urano, Ikko Kuzuhara, Kenichiro Tanaka | 2013-11-26 |
| 8558456 | Light emitting device and illumination apparatus including same | — | 2013-10-15 |
| 7717589 | Light emitting device using light emitting diode chip | Kouji Nishioka, Masaru Sugimoto, Hideyoshi Kimura, Yutaka Iwahori, Takuma Hashmoto +4 more | 2010-05-18 |
| 7495322 | Light-emitting device | Takuma Hashimoto, Masaru Sugimoto, Koji Nishioka, Yutaka Iwahori, Shinya Ishizaki +5 more | 2009-02-24 |
| 7084435 | Light emitting device using LED | Masaru Sugimoto, Masao Yamaguchi, Takuma Hashimoto, Koji Nishioka, Hideyoshi Kimura +2 more | 2006-08-01 |