| # | Country | Total Patents | |
|---|---|---|---|
| #1 | United States | 6 | |
| #2 | Japan | 5 | |
| #3 | Canada | 1 |
| # | Industry | |
|---|---|---|
| #1 | Audio-visual technology | |
| #2 | Optics | |
| #3 | Semiconductors | |
| #4 | Measurement | |
| #5 | Environmental technology |
| # | Technology | |
|---|---|---|
| #1 | Television | |
| #2 | Optical systems | |
| #3 | Cameras | |
| #4 | Reduction of greenhouse gas emissions | |
| #5 | Special information storage | |
| #6 | Semiconductor devices | |
| #7 | Measuring speed and acceleration |
| # | Name | Total Patents |
|---|---|---|
| #1 | Kawahara Hideo | 12 |
| #2 | Kawahara Niichi | 2 |
| #3 | Misonou Masao | 1 |
| #4 | Hirata Masahiro | 1 |
| Publication | Filing date | Title |
|---|---|---|
| JP2015142715A | Upper jaw impression tray | |
| JPS5576652A | Massage instrument | |
| JPS565657A | Body warmer | |
| JPS565658A | Body warmer with projection for fingerrpressure |