Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7674399 | Electroluminescent material and electroluminescent element using the same | Masanori Ando, Akio Yamanaka, Yutaka Kawabe | 2010-03-09 |
| 5231533 | Nonlinear optical element and uses thereof | Makoto Gonokami, Kenji Takeda, Yoshinori Tokura | 1993-07-27 |
| 4784472 | Optical control system and method | Tetsuji Tokihiro | 1988-11-15 |
| 4678736 | Optical recording media on which information is stored and method of making same | Yoshinori Tokura, Akio Takada, Akiro Itsubo | 1987-07-07 |