Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4879563 | Circularly polarized complementary antenna with patch and dipole elements | Shigeki Takeda | 1989-11-07 |
AT
Akihiro Takahashi
Overall (1989): #134,356 of 140,708Top 100%
1
Patents 1989