Issued Patents All Time
Showing 25 most recent of 27 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8188779 | Duty control buffer circuit and duty correction circuit | — | 2012-05-29 |
| 7924074 | Delay control circuit and delay control method | — | 2011-04-12 |
| 7741875 | Low amplitude differential output circuit and serial transmission interface using the same | — | 2010-06-22 |
| 7573299 | Semiconductor integrated circuit including output circuit | — | 2009-08-11 |
| 7245155 | Data output circuit with improved overvoltage/surge protection | — | 2007-07-17 |
| 7164743 | Delay locked loop | — | 2007-01-16 |
| 6967505 | Input circuit | — | 2005-11-22 |
| 6900679 | Digital phase control circuit | — | 2005-05-31 |
| 6771114 | Charge pump current compensating circuit | — | 2004-08-03 |
| 6642748 | Input circuit | — | 2003-11-04 |
| 6492851 | Digital phase control circuit | — | 2002-12-10 |
| 6366126 | Input circuit, output circuit, and input/output circuit and signal transmission system using the same input/output circuit | — | 2002-04-02 |
| 6329866 | Transient current producing method, transient current producing circuit, related semiconductor integrated circuit and logical circuit | — | 2001-12-11 |
| 6316964 | Method for generating differential tri-states and differential tri-state circuit | — | 2001-11-13 |
| 6294932 | Input circuit, output circuit, input-output circuit and method of processing input signals | — | 2001-09-25 |
| 6288580 | Level-shifting circuit and input and output circuits using the same | — | 2001-09-11 |
| 6121792 | Input circuit having current control | — | 2000-09-19 |
| 6118327 | Emitter follower circuit having no temperature dependency | — | 2000-09-12 |
| 6078206 | Small amplitude signal output circuit | — | 2000-06-20 |
| 6052018 | Small amplitude signal output circuit | — | 2000-04-18 |
| 6043678 | Input circuit | — | 2000-03-28 |
| 6037802 | Tristate buffer having a bipolar transistor | — | 2000-03-14 |
| 5910744 | Variable delaying circuit having a nearly linear delay characteristic | — | 1999-06-08 |
| 5864245 | Output circuit with overvoltage protection | — | 1999-01-26 |
| 5831465 | Variable delay circuit | — | 1998-11-03 |