Issued Patents All Time
Showing 1–19 of 19 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7369618 | Signal transmission circuit | Keiichi Kusumoto, Toshiyuki Moriwaki, Tetsurou Toubou | 2008-05-06 |
| 7148735 | Level shifter having automatic delay adjusting function | Miwa Ito, Kazuyuki Nakanishi, Akio Hirata, Hiroo Yamamoto | 2006-12-12 |
| 6922443 | Signal transmission circuit | Keiichi Kusumoto, Toshiyuki Moriwaki, Tetsurou Toubou | 2005-07-26 |
| 6604066 | Method and apparatus for calculating delay for logic circuit and method of calculating delay data for delay library | — | 2003-08-05 |
| 6066177 | Method and apparatus for calculating delay for logic circuit and method of calculating delay data for delay library | — | 2000-05-23 |
| 5892723 | Potential difference transmission device and semiconductor memory device using the same | Isao Tanaka | 1999-04-06 |
| 5764094 | Level shift circuit for analog signal and signal waveform generator including the same | — | 1998-06-09 |
| 5672987 | Potential difference transmission device and semiconductor memory device using the same | Isao Tanaka | 1997-09-30 |
| 5671181 | Data read circuit used in semiconductor storage device | — | 1997-09-23 |
| 5576565 | MIS capacitor and a semiconductor device utilizing said MIS capacitor | Seiji Yamaguchi, Ichirou Matsuo | 1996-11-19 |
| 5559456 | Sensing circuit unit for a dynamic circuit | — | 1996-09-24 |
| 5517140 | Sample and hold circuit | — | 1996-05-14 |
| 5408438 | Semiconductor memory | Isao Tanaka | 1995-04-18 |
| 5391938 | Comparator using XNOR and XOR gates | — | 1995-02-21 |
| 5389898 | Phase locked loop having plural selectable voltage controlled oscillators | Osamu Taketoshi, Seiji Yamaguchi | 1995-02-14 |
| 5289414 | Comparator | — | 1994-02-22 |
| 5252863 | Drive circuit for use in a semiconductor integrated circuit | Seiji Yamaguchi | 1993-10-12 |
| 5206825 | Arithmetic processor using signed-digit representation of external operands | Naofumi Takagi, Toru Kakiage, Takashi Taniguchi, Tamotsu Nishiyama | 1993-04-27 |
| 5153847 | Arithmetic processor using signed digit representation of internal operands | Naofumi Takagi, Toru Kakiage, Takashi Taniguchi, Tamotsu Nishiyama | 1992-10-06 |