Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7932890 | Lightguide plate and electronic device | Daisaku Okuwaki, Yasuaki Kayanuma | 2011-04-26 |
| 7875892 | Light-emitting device, linear light source, planar light unit and display apparatus | Daisaku Okuwaki, Naoya Kashiwagi | 2011-01-25 |
| D601102 | Light-emitting diode | Daisaku Okuwaki, Naoya Kashiwagi | 2009-09-29 |
| 6193383 | Linear light source unit | Takashi Shimura | 2001-02-27 |
| 6139163 | Planar light source unit | Kazuo Satoh, Michifusa Watanabe | 2000-10-31 |