Issued Patents All Time
Showing 51–75 of 83 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7230870 | Semiconductor memory device and test method therefor | — | 2007-06-12 |
| 7180361 | Antifuse programming circuit in which one stage of transistor is interposed in a series with antifuse between power supplies during programming | — | 2007-02-20 |
| 7171138 | Image forming apparatus | Shigenori Morimoto, Atsushi Ueda, Takahisa Narikiyo | 2007-01-30 |
| 7135906 | Delay circuit and delay synchronization loop device | Shotaro Kobayashi | 2006-11-14 |
| 7071960 | Image forming apparatus | Kiyoshi Toizumi, Taisuke Kamimura, Toshimitsu Gotoh, Tsutomu Yoshimoto | 2006-07-04 |
| 6750688 | Semiconductor integrated circuit device and delay-locked loop device | — | 2004-06-15 |
| 6738594 | Color image forming apparatus and control method thereof | Takashi Nakagawa, Kazuyuki Oogita, Toshiaki Kobayashi, Osamu Fujimoto | 2004-05-18 |
| 6690226 | Substrate electric potential sense circuit and substrate electric potential generator circuit | — | 2004-02-10 |
| 6674314 | Interpolating circuit, DLL circuit and semiconductor integrated circuit | — | 2004-01-06 |
| 6601946 | Image forming apparatus in which toner is removed by changing electric field between opposing electrode and control electrode | Shirou Wakahara, Yukihito Nishio, Hirokazu Fujita | 2003-08-05 |
| 6456155 | Differential amplifier circuit with offset circuit | — | 2002-09-24 |
| 6373307 | Semiconductor integrated circuit | — | 2002-04-16 |
| 6144617 | Synchronous semiconductor storage device | — | 2000-11-07 |
| 6137320 | Input receiver circuit | — | 2000-10-24 |
| 6069508 | Clock generating circuit having high resolution of delay time between external clock signal and internal clock signal | — | 2000-05-30 |
| 6055196 | Semiconductor device with increased replacement efficiency by redundant memory cell arrays | — | 2000-04-25 |
| RE35934 | Semiconductor memory device synchronous with external clock signal for outputting data bits through a small number of data lines | — | 1998-10-27 |
| 5666318 | Semiconductor memory device | — | 1997-09-09 |
| 5608686 | Synchronous semiconductor memory device with low power consumption | — | 1997-03-04 |
| 5592270 | Developing device in an electrophotographic apparatus capable of controlling a discharge of deteriorated developer and method of discharging deteriorated developer | Hideaki Hagihara, Hirokazu Tanaka, Atsushi Ueda, Hideo Yamasa, Fumio Shimazu | 1997-01-07 |
| 5572300 | Developing device containing for storing developer having zoner and carrier | Hideo Yamasa, Atsushi Ueda, Hirokazu Tanaka | 1996-11-05 |
| 5550784 | Semiconductor memory device with synchronous dram whose speed grade is not limited | — | 1996-08-27 |
| 5548385 | Developer device that gradually replaces degraded developer with fresh developer | Atsushi Ueda, Hirokazu Tanaka, Hideo Yamasa | 1996-08-20 |
| 5539693 | Method of controlling semiconductor storage circuit | Yasuji Koshikawa | 1996-07-23 |
| 5537199 | Compact multi-functional image forming apparatus | Hirokazu Tanaka | 1996-07-16 |