Issued Patents 1994
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5361149 | Optimized design method for holographic optical element and apparatus using such holographic optical element | Shigeo Kayashima | 1994-11-01 |
| 5295004 | Optical beam scanning apparatus | Fumio Yamagishi, Youji Houki, Shigetake Iwata, Shigeo Kayashima, Satoshi Maeda | 1994-03-15 |