Issued Patents 2004
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6690362 | Touch switch with thermo-chromatic layers | Shigeki Motoyama, Hirokazu Nakayoshi, Shun Kayama, Toshitaka Kawashima, Junichi Ohsako | 2004-02-10 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6690362 | Touch switch with thermo-chromatic layers | Shigeki Motoyama, Hirokazu Nakayoshi, Shun Kayama, Toshitaka Kawashima, Junichi Ohsako | 2004-02-10 |