Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5121321 | Vehicle window heating apparatus | Kenichi Sasaki, Yoshio Iwasa, Hiromichi Takatsuka | 1992-06-09 |
| 5070229 | Window heater controlling apparatus providing a gradual heating voltage | Hiromichi Takatsuka | 1991-12-03 |