Issued Patents All Time
Showing 76–100 of 117 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6280910 | Photoresist for optical disc and method of preparing optical disc utilizing photoresist | Takanobu Higuchi, Hironao SASAKI, Kunizo Ogoshi | 2001-08-28 |
| 6277545 | Method of manufacturing optical disc master plate | Takanobu Higuchi, Osamu Kasono | 2001-08-21 |
| 6157734 | Color-converted image forming apparatus | — | 2000-12-05 |
| 5973795 | Toner mark for toner concentration control | — | 1999-10-26 |
| 5831750 | Image reader having height distribution correction for a read document | Noriyuki Okisu, Toru Matsui, Keiichiro Bungo | 1998-11-03 |
| 5716761 | Double-sided-multi-layered optical disc and a method for manufacturing the same | Takanobu Higuchi, Keiji Suga | 1998-02-10 |
| 5702792 | Optical recording medium | Satoshi Jinno, Takanobu Higuchi | 1997-12-30 |
| 5456961 | High density optical disk | Shinichi Yokozeki | 1995-10-10 |
| 5436885 | Optical disc and optical system for reproducing the optical disc | Yoichi Okumura, Hitoshi Taniguchi | 1995-07-25 |
| 5181034 | Digital to analog converter | Hiroshi Takakura, Akira Yamaguchi | 1993-01-19 |
| 5171392 | Method of producing an optical information record carrier | Takanobu Higuchi, Kunizo Ogoshi, Shinichi Yokozeki | 1992-12-15 |
| 5126996 | Optical information record carrier and the method of producing the same | Takanobu Higuchi, Kunizo Ogoshi, Shinichi Yokozeki | 1992-06-30 |
| 5073818 | Method for processing color image and apparatus therefor | — | 1991-12-17 |
| 5057838 | D/A converter having centered switching sequence and centered arrangement of converter segment groups | Kazuhiro Tsuji, Takayuki Satoh | 1991-10-15 |
| 5006852 | Analog-to-digital converter with isolated power supply lines to the individual components | Junkei Goto | 1991-04-09 |
| 4983969 | Successive approximation analog to digital converter | Yoshihiro Iwamoto | 1991-01-08 |
| 4958222 | Semiconductor integrated circuit device | Hiroshi Takakura, Junkei Goto | 1990-09-18 |
| 4908712 | Method for tone reproduction in image forming system | Tadamitsu Uchiyama | 1990-03-13 |
| 4908624 | Successive approximation type A/D converter | Junkei Goto | 1990-03-13 |
| 4906871 | Level shift circuit for converting a signal in an ecl level into a signal in a cmos logic level | — | 1990-03-06 |
| 4893124 | Pipelined serial-parallel A/D converter | Kazuhiro Tsuji, Naoki Sugawa | 1990-01-09 |
| 4873525 | Compact R segment D/A converter | — | 1989-10-10 |
| 4845383 | High frequency voltage comparator circuit | — | 1989-07-04 |
| 4827260 | Digital-to-analog converter | Naoki Sugawa | 1989-05-02 |
| 4760287 | Voltage comparator circuit | Junkei Goto, Masayuki Sahoda | 1988-07-26 |