Issued Patents 1994
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5376772 | Electrothermal instrument with heat generating element of sintered BaTiO.sub.3 in contact with heat transmitting member | Tanehiro Nakagawa, Yoshiaki Ono, Takeo Yamaguchi | 1994-12-27 |
| 5316513 | Electrothermal color-varying device and toy utilizing the same | Tanehiro Nakagawa, Yoshiaki Ono, Takeo Yamaguchi, Kyoji Aoyama, Toshiaki Tanaka | 1994-05-31 |