Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6741029 | Light emission apparatus and method of fabricating the same | Hideki Matsubara, Toshihiko Takebe, Hiroki Ishinaga | 2004-05-25 |
| 6642547 | Light emitting device | Hideki Matsubara, Toshihiko Takebe, Hiroki Ishinaga | 2003-11-04 |
| 4954930 | Illumination light guide | Fumio Sakamoto | 1990-09-04 |