Issued Patents 1994
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5346300 | Back fire helical antenna | Keijirou Higashi, Hiroyuki Takebe, Hiroshi Nakano, Tomozo Ohta | 1994-09-13 |
HY
Hirohiko Yamamoto
Overall (1994): #123,908 of 165,921Top 75%
1
Patents 1994