Issued Patents All Time
Showing 1–25 of 25 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9690319 | Semiconductor device | — | 2017-06-27 |
| 7525778 | Semiconductor integrated circuit having protection elements for preventing MOS transistors from plasma damage | — | 2009-04-28 |
| 7307822 | Semiconductor integrated circuit apparatus | Hirotomo Ishii | 2007-12-11 |
| 7218150 | Semiconductor integrated circuit device and differential small-amplitude data transmission apparatus | Isamu Satoh | 2007-05-15 |
| 7106562 | Protection circuit section for semiconductor circuit system | — | 2006-09-12 |
| 7072157 | Electrostatic discharge protection circuit device | — | 2006-07-04 |
| 6989980 | Semiconductor device having a protection circuit | — | 2006-01-24 |
| 6836170 | Impedance trimming circuit | Shuichi Takada, Nobuyuki Sasaki, Yasuhiko Kaminota | 2004-12-28 |
| 6713817 | Semiconductor integrated circuit system | Ken Tanabe | 2004-03-30 |
| 6437721 | Semiconductor integrated circuit apparatus for performing DA/AD conversion with high accuracy using a potential distribution of a string resistor | — | 2002-08-20 |
| 6166671 | Analog-to-digital converting circuit apparatus and coverting method thereof | Yoshikazu Nagashima | 2000-12-26 |
| 6147525 | Frequency multiplier circuit operable with an external reference clock signal having a frequency in a wide range | Hiroshi Mitani, Kazuhito Fujii | 2000-11-14 |
| 6097228 | Reset input circuit for an MCU | Isao Fujisawa, Yoshikazu Nagashima | 2000-08-01 |
| 5731774 | Digital-to-analog converter | Kazuhito Fujii | 1998-03-24 |
| 5714953 | Composite digital-to-analog converter | Hiroshi Mitani | 1998-02-03 |
| 5420817 | Semiconductor integrated circuit device comprising memory area in which structurally different memory cells are included | Shigeharu Nakata, Yasuhiro Ishii, Masue Shiba | 1995-05-30 |
| 5381491 | Bit position encoder improved in operating speed | Kazumasha Ando, Shigeharu Nakata, Shingo Hanatani | 1995-01-10 |
| 5239194 | Semiconductor device having increased electrostatic breakdown voltage | Satoshi Ohtani, Masayuki Yoshida, Tomotaka Saito | 1993-08-24 |
| 5229968 | Nonvolatile semiconductor memory wherein dummy cells are used for generating a potential for detecting data | Makoto Ito | 1993-07-20 |
| 5057702 | Duty radio control circuit apparatus | Hiroki Muroga, Tomotaka Saito | 1991-10-15 |
| 5016263 | Sample-hold circuit with outputs taken between gates of dynamic shift register to avoid skew from unequal interstage connection lengths | Akihiro Sueda, Yasunori Kuwasima | 1991-05-14 |
| 5001668 | Nonvolatile memory circuit device with low power consumption and wide operating voltage range | Makoto Ito | 1991-03-19 |
| 4972378 | Nonvolatile memory circuit device performing stable operation in wide range of power source voltage level | Makoto Ito | 1990-11-20 |
| 4792749 | Power source voltage detector device incorporated in LSI circuit | Makoto Ito | 1988-12-20 |
| 4783620 | Constant voltage circuit having an operation-stop function | Akihiro Sueda, Takesi Suyama | 1988-11-08 |