Issued Patents All Time
Showing 1–17 of 17 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7359456 | Communication system and communication device | — | 2008-04-15 |
| 7286808 | Broadcast receiving system and broadcast receiving method | Mitsuhiro Sugiyama, Hayato Shibano, Kiminori Nakamura | 2007-10-23 |
| D492671 | Antenna | Hayato Shibano, Hideo Yajima | 2004-07-06 |
| 6565438 | Video game control adapter apparatus | — | 2003-05-20 |
| 6522367 | Cable television (CATV) tuner for enhanced signal communication between subscribers in a CATV system | Masashige Yamasaki, Hayato Shibano | 2003-02-18 |
| 6222501 | Attaching mechanism for GPS antenna | Hideo Yajima, Akio Takizawa | 2001-04-24 |
| 6205399 | Position recognition device | Takayuki Kurokawa | 2001-03-20 |
| 6195540 | FM multiple signal receivable navigation apparatus | Masashige Yamasaki | 2001-02-27 |
| 6067057 | Attaching mechanism for GPS antenna | Hideo Yajima, Akio Takizawa | 2000-05-23 |
| 5890089 | Navigation system | Eiki Hosaka, Hideo Yajima | 1999-03-30 |
| 5805113 | Multiband antenna receiver system with, LNA, AMP, combiner, voltage regulator, splitter, noise filter and common single feeder | Hideo Yajima | 1998-09-08 |
| 5757327 | Antenna unit for use in navigation system | Hideo Yajima, Shinya Yamada, Junichi Noro | 1998-05-26 |
| 5670745 | Hermetically sealed case sealed by packing | Hideo Yajima | 1997-09-23 |
| 5668563 | Integral type flat antenna provided with converter function | Hayato Shibano, Eiki Hosaka | 1997-09-16 |
| 5585806 | Flat antenna apparatus having a shielded circuit board | Ryoji Yamamoto, Hideo Yajima | 1996-12-17 |
| 5585809 | Antenna unit for a car navigation device | Hideo Yajima | 1996-12-17 |
| 5548247 | Amplifier having a field-effect transistor with gate biased at a potential lower than source potential | Ryoji Yamamoto | 1996-08-20 |