Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7459805 | Image forming apparatus | Tsuyoshi Kowari, Yasushige Hori | 2008-12-02 |
| 4744093 | Method of detecting phase pulse signals from an AC distribution line | Yukio Arai, Masatoshi Takagi | 1988-05-10 |