Issued Patents All Time
Showing 26–50 of 56 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6971116 | Stamper for producing optical recording medium, optical recording medium, and methods of producing the same | Nobuyuki Arakawa, Motohiro Furuki, Shingo Imanishi | 2005-11-29 |
| 6961211 | Disk drive apparatus having an annular straightening portion | — | 2005-11-01 |
| 6953939 | Testing apparatus using scanning electron microscope | Tetsuo Abe, Kouki Okawauchi, Tadashi Hattori, Hironori Fujita, Yuichi Aki +4 more | 2005-10-11 |
| 6831278 | System and method for electron beam irradiation | Masanobu Yamamoto, Hiroshi Kawase, Jun Sasaki, Gakuo Komatsubara, Mitsuru Koizumi +2 more | 2004-12-14 |
| 6818855 | Laser cutting apparatus | Motohiro Furuki | 2004-11-16 |
| 6704096 | Exposure apparatus and exposure method | Motohiro Furuki, Shingo Imanishi | 2004-03-09 |
| 6670854 | Fractional-N frequency synthesizer and method of operating the same | Akira Toyama | 2003-12-30 |
| 6653994 | Plasma display panel display device and drive method | Shinji Masuda | 2003-11-25 |
| 6624774 | Delta sigma D/A converter | Kazuyuki Fujiwara | 2003-09-23 |
| 6512735 | Optical disk having recording capacity of about at least 15 GB | Motohiro Furuki | 2003-01-28 |
| 6369731 | Delta sigma D/A converter | Yoshihiro Hanada, Akira Toyama | 2002-04-09 |
| 6344812 | Delta sigma digital-to-analog converter | Yoshihiro Hanada | 2002-02-05 |
| 6214528 | Method of forming mother for use in optical disc | Hisayuki Yamatsu, Motohiro Furuki | 2001-04-10 |
| 6210609 | Method of manufacturing optical recording medium | Toshiyuki Kashiwagi, Nobuyuki Arakawa | 2001-04-03 |
| 6153185 | Plant-containing composition | Hirotaka Tagoshi, Susumu Tago | 2000-11-28 |
| 6115175 | UV image forming optical system | Koichi Maruyama, Makoto Iwaki, Syunitirou Wakamiya, Shigeo Kubota, Hiroshi Suganuma | 2000-09-05 |
| 6048669 | Exposure recording method for optical recording materials | Hisayuki Yamatsu, Motohiro Furuki | 2000-04-11 |
| 5790494 | Digital audio recorder and digital audio recording and reproducing system | — | 1998-08-04 |
| 5737281 | Data writing method and device of semiconductor device | Yutaka Hayashi, Machio Yamagishi | 1998-04-07 |
| 5706076 | Semiconductor light exposure apparatus | — | 1998-01-06 |
| 5689327 | Laser processing device | — | 1997-11-18 |
| 5528531 | Serial-to-parallel multiplier | Akira Toyama | 1996-06-18 |
| 5523712 | Resistor array circuit device and variable gain device utilizing same | Satoru Miyabe, Akira Toyama | 1996-06-04 |
| 5481267 | Sampling rate converter | Satoru Miyabe, Akira Toyama | 1996-01-02 |
| 5473409 | Semiconductor light exposure device | Shigeo Kubota, Michio Oka, Tohru Ogawa | 1995-12-05 |