Issued Patents 2011
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7990159 | Potential measurement apparatus and image forming apparatus | Kazuhiko Kato, Yoshitaka Zaitsu, Takashi Ushijima, Kaoru Noguchi, Atsushi Kandori +1 more | 2011-08-02 |
| 7919889 | Oscillator device, optical deflector and optical instrument using the same | Takashi Ushijima | 2011-04-05 |