Issued Patents All Time
Showing 1–18 of 18 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10541463 | Glass antenna | Kazuo Shigeta, Yoshiaki Hirasa, Koichi Miyake | 2020-01-21 |
| 7642976 | AM/FM receiving antenna | Kazuo Shigeta | 2010-01-05 |
| 6919848 | Antenna apparatus for vehicle | Katsushiro Ishibayashi, Kazuo Shigeta | 2005-07-19 |
| 6310580 | Antenna structure for vehicle | Kazuo Shigeta | 2001-10-30 |
| 6121934 | Glass antenna device for vehicle | Kazuo Shigeta, Hiroshi Iijima | 2000-09-19 |
| 6115001 | Antenna device | Kazuo Shigeta | 2000-09-05 |
| 6018322 | Earth structure for antennas, and antenna apparatus with earth for vehicles | Kazuo Shigeta, Kenji Kubota | 2000-01-25 |
| 6016128 | GPS wave antenna apparatus | Yutaka Imamura, Kazuo Shigeta | 2000-01-18 |
| 6008767 | Glass antenna having a shape to provide maximum reception sensitivity while not blocking a driver's sight | Kazuo Shigeta, Kenji Kubota | 1999-12-28 |
| 6002373 | Glass window antenna | Kazuo Shigeta, Kenji Kubota | 1999-12-14 |
| 5952977 | Glass antenna | Kazuo Shigeta, Kenji Kubota | 1999-09-14 |
| 5831580 | Slot antenna having a slot portion formed in a vehicle mounted insulator | Eiichi Yamamoto | 1998-11-03 |
| 5793333 | Glass antenna for vehicles, and designing method of the same | Shigeyuki Satomura, Kazuo Shigeta, Kenji Kubota | 1998-08-11 |
| 5659324 | Glass antenna and method of designing the same | Eiichi Yamamoto, Kenji Kubota, Kazuo Shigeta | 1997-08-19 |
| 5293163 | Navigation apparatus for vehicles | Masaki Kakihara, Masao Sasaki, Yasuyuki Masaki, Toshihiko Okamoto, Futoshi Shoji +1 more | 1994-03-08 |
| 5263190 | Vehicular radio receiver having muting circuitry for suppressing noises caused by receiver data pulses | Keiji Takao | 1993-11-16 |
| 5056153 | Mobile electric accessory apparatus | Takashi Hirata | 1991-10-08 |
| 4897643 | Vehicular electronic equipment with door lock and side window antenna | Mineharu Shibata | 1990-01-30 |