Issued Patents All Time
Showing 1–20 of 20 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12333883 | Information processing apparatus, control program of communication terminal, and entrance and exit management method | Yukie Hasegawa, Kenji Harada, Kenichi Urasawa | 2025-06-17 |
| 12230033 | Monitoring device, monitoring method, and program recording medium | Kenji Yamamoto, Takehiko Yamasaki | 2025-02-18 |
| 11928907 | Information processing apparatus, control program of communication terminal, and entrance and exit management method | Yukie Hasegawa, Kenji Harada, Kenichi Urasawa | 2024-03-12 |
| 11605257 | Information processing apparatus, control program of communication terminal, and entrance and exit management method | Yukie Hasegawa, Kenji Harada, Kenichi Urasawa | 2023-03-14 |
| 11062545 | Information processing apparatus, control program of communication terminal, and entrance and exit management method | Yukie Hasegawa, Kenji Harada, Kenichi Urasawa | 2021-07-13 |
| 7659777 | Offset adjustment device, semiconductor device, display device, offset adjustment method, noise detection device, and noise detection method | Hiroaki Fujino, Tetsuya Minamiguchi, Michihiro Nakahara, Takahiro Nakai | 2010-02-09 |
| 7459966 | Offset adjusting circuit and operational amplifier circuit | — | 2008-12-02 |
| 7397278 | Level shifting circuit and display element driving circuit using same | — | 2008-07-08 |
| 7289092 | Liquid-crystal driver and liquid-crystal display | Yukihiro Shimizu | 2007-10-30 |
| 6715378 | Connecting device for control cable | — | 2004-04-06 |
| 6441763 | DA converter and liquid crystal driving device incorporating the same | — | 2002-08-27 |
| 6437716 | Gray scale display reference voltage generating circuit capable of changing gamma correction characteristic and LCD drive unit employing the same | — | 2002-08-20 |
| 6373419 | DA converter and liquid crystal driving device incorporating the same | — | 2002-04-16 |
| 6331846 | Differential amplifier, operational amplifier employing the same, and liquid crystal driving circuit incorporating the operational amplifier | — | 2001-12-18 |
| 6310593 | Liquid crystal driving circuit | — | 2001-10-30 |
| 6160533 | Method and apparatus for driving display panel | Shigeki Tamai | 2000-12-12 |
| 5796615 | Correcting method of automobile's door frame and means thereof | Takashi Madaraishi, Ryoji Tanaka | 1998-08-18 |
| 5751186 | Operational amplifier circuit with an extended input voltage range | — | 1998-05-12 |
| 5332936 | Composite logic circuit | — | 1994-07-26 |
| 5289518 | Low power shift register circuit | — | 1994-02-22 |