| # | Country | Total Patents | |
|---|---|---|---|
| #1 | United States | 15 | |
| #2 | Japan | 1 |
| # | Industry | |
|---|---|---|
| #1 | Optics | |
| #2 | Audio-visual technology |
| # | Technology | |
|---|---|---|
| #1 | Cameras | |
| #2 | Electrography | |
| #3 | Television | |
| #4 | Loudspeakers and microphones | |
| #5 | Optical systems |
| # | Name | Total Patents |
|---|---|---|
| #1 | Yamada Masamichi | 16 |
| #2 | Kanai Hideo | 4 |
| #3 | Ishikawa Naoyuki | 4 |
| #4 | Fujioka Tetsuya | 3 |
| #5 | Mikawa Akihisa | 3 |
| #6 | Tsuchiya Satoshi | 3 |
| #7 | Mikutsu Yasunari | 3 |
| #8 | Ikeda Motohisa | 1 |
| #9 | Tsukioka Yasutada | 1 |
| #10 | Namba Hideo | 1 |
| Publication | Filing date | Title |
|---|---|---|
| JPH09314138A | Ion exchange method for nonconductive liquid and ion exchange apparatus |