Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6081310 | Reflection-type liquid crystal display having a silver or silver alloy upper electrode layer | Yoko Katsuya, Yutaka Takafuji, Tomoko Fujii | 2000-06-27 |
| 5862888 | Roped elevator with vibration damping | Nobuyuki Miyahara | 1999-01-26 |
| 5564530 | Traction type elevator | Masao Iwasa | 1996-10-15 |