Issued Patents All Time
Showing 1–19 of 19 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12038535 | Detection device, method of detecting distance to object, program, and storage medium | Shogo Miyanabe | 2024-07-16 |
| 7750296 | Scanning electron microscope and calibration of image distortion | Keiichiro Hitomi, Yasunari Sohda, Yoshinori Nakayama | 2010-07-06 |
| 7683313 | Charged particle beam measurement equipment, size correction and standard sample for correction | Yasunari Sohda, Yoshinori Nakayama, Keiichiro Hitomi | 2010-03-23 |
| 7612334 | Standard reference component for calibration, fabrication method for the same, and scanning electron microscope using the same | Yoshinori Nakayama, Yasunari Sohda, Keiichiro Hitomi | 2009-11-03 |
| 6967908 | Optical pickup device with focus error detecting optical element and method for focus error detection | Masakazu Ogasawara | 2005-11-22 |
| 6442125 | Optical pickup | Takanori Maeda, Yoshitsugu Araki | 2002-08-27 |
| 6370092 | Optical pickup and optical disk drive for use with a high-density optical disk | Yoshitsugu Araki, Takanori Maeda | 2002-04-09 |
| 6370107 | Recording medium and recording device | Sumio Hosaka, Atsushi Kikukawa, Kenchi Ito, Kimitoshi Etoh | 2002-04-09 |
| 6246652 | Device using sensor for small rotation angle | Atsushi Kikukawa, Sumio Hosaka, Kimitoshi Etoh | 2001-06-12 |
| 5889752 | Optical pickup apparatus with a crosstalk balance detecting circuit | Takanori Maeda | 1999-03-30 |
| 5808977 | Tracking method and recording means thereby | Sumio Hosaka, Ryo Imura | 1998-09-15 |
| 5784345 | Optical pickup device for eliminating unwanted data | Takanori Maeda | 1998-07-21 |
| 5633844 | Optical pickup device with three beam tracking servo control using oval beams | Takanori Maeda | 1997-05-27 |
| 5627815 | Precision machining method precision machining apparatus and data storage apparatus using the same | Sumio Hosaka, Ryo Imura | 1997-05-06 |
| 5572493 | Optical disk information recording apparatus and reproducing apparatus having a plurality of read or write beams | Takanori Maeda, Kiyoshi Tateishi | 1996-11-05 |
| 5471064 | Precision machining method, precision machining apparatus and data storage apparatus using the same | Sumio Hosaka, Ryo Imura | 1995-11-28 |
| 5467642 | Scanning probe microscope and method of control error correction | Sumio Hosaka, Atsushi Kikugawa, Yukio Honda, Kiyosi Nagasawa | 1995-11-21 |
| 5457670 | Optical disk information recording apparatus and reproducing apparatus having a plurality of read or write beams | Takanori Maeda, Kiyoshi Tateishi | 1995-10-10 |
| 5436448 | Surface observing apparatus and method | Sumio Hosaka, Atsushi Kikugawa, Yukio Honda, Shigeyuki Hosoki, Tsuyoshi Hasegawa | 1995-07-25 |