Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4823140 | Antenna device for a television receiver mounted on an automobile | Shinya Shibata, Masakazu Tsunoda, Yasushi Kawakami | 1989-04-18 |
| 4439771 | Glass antenna system for an automobile | Masaharu Kume, Kenichi Ishii | 1984-03-27 |
| 4260989 | Antenna system for window glass of automobile | Kenichi Ishii | 1981-04-07 |