Issued Patents 2011
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7946720 | Light guide sheet, movable contact structure using the light guide sheet, method of manufacturing the movable contact structure, and switch using the light guide sheet and the movable contact structure | Naoki Tatehata, Tsutomu Aisaka, Yousuke Chikahisa | 2011-05-24 |