| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Japan | 21 |
| # | Industry | |
|---|---|---|
| #1 | Measurement |
| # | Technology | |
|---|---|---|
| #1 | Radio navigation |
| # | Name | Total Patents |
|---|---|---|
| #1 | Takigawa Morikazu | 6 |
| #2 | Minohara Kyomi | 3 |
| #3 | Nakai Hiroshi | 2 |
| #4 | Yoshida Takashi | 2 |
| #5 | Tazane Kazuhito | 2 |
| #6 | Itani Kenji | 1 |
| #7 | Tanaka Shuichiro | 1 |
| #8 | Tanabe Kazutsugu | 1 |
| #9 | Endo Yasuhiko | 1 |
| #10 | Kitayama Kenzo | 1 |
| Publication | Filing date | Title |
|---|---|---|
| JPS5151361A | Suimenheno ratsukabutsutaiichenkakusokuteisochi | |
| JPS5120883A | Sentaino ninitenno idosokudosokuteihoshiki | |
| JPS51385A | Suichukansokukino fujosochi | |
| JPS51386A | Suichukansokukino fujosochi |