Issued Patents 2011
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7898447 | Methods and systems for testing digital-to-analog converter/amplifier circuits | Yoshikuni GOSHIMA, Yoshimasa Sanmiya, John Kay, Chising Lai | 2011-03-01 |
| 7900185 | Pattern writing circuit self-diagnosis method for charged beam photolithography apparatus and charged beam photolithography apparatus | Hayato Kimura, Yujin Handa, Seiji Wake, Takuya Matsukawa | 2011-03-01 |