Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8290743 | Charged particle beam writing apparatus and method for diagnosing DAC amplifier unit in charged particle beam writing apparatus | Akinori Mine | 2012-10-16 |
| 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 |
| 7598504 | Writing error diagnosis method for charged particle beam photolithography apparatus and charged particle beam photolithography apparatus | Hayato Kimura, Yujin Handa, Seiji Wake, Takuya Matsukawa | 2009-10-06 |
| 5142139 | Apparatus for treating image information of printed material and discriminating same | Makoto Hayashi, Shizunori Kaneko, Mitsuhiko Iida, Mutsumi Naniwa, Kimio Suzuki | 1992-08-25 |