Issued Patents 1989
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4857938 | Planar antenna | Katsuya Tsukamoto, Yasuhiro Fujii | 1989-08-15 |
| 4816835 | Planar antenna with patch elements | Katsuya Tsukamoto, Hiroo Inoue, Yasuhiro Fujii, Minoru Kanda, Nobuaki Miyachi | 1989-03-28 |
| 4801943 | Plane antenna assembly | Yasuo Yabu, Kazuhisa Akiyama, Minoru Kanda, Mikio Komatsu, Hirohumi Ishizaki +3 more | 1989-01-31 |