| # | Country | Total Patents | |
|---|---|---|---|
| #1 | United States | 13 | |
| #2 | Germany | 1 | |
| #3 | United Kingdom | 1 | |
| #4 | Japan | 1 |
| # | Name | Total Patents |
|---|---|---|
| #1 | Fujimoto Akira | 16 |
| #2 | Asakawa Koji | 9 |
| #3 | Kitagawa Ryota | 6 |
| #4 | Nakanishi Tsutomu | 5 |
| #5 | Nakamura Kenji | 4 |
| #6 | Masunaga Kumi | 3 |
| #7 | Kamakura Takanobu | 3 |
| #8 | Nunotani Shinji | 3 |
| #9 | Tsutsumi Eishi | 3 |
| #10 | Matake Shigeru | 1 |
| Publication | Filing date | Title |
|---|---|---|
| US4757520A | FM signal demodulating apparatus | |
| US4540947A | FM Signal demodulating apparatus | |
| JPS53129396A | Automatic grinding and cleaning device |