| # | Country | Total Patents | |
|---|---|---|---|
| #1 | United States | 7 | |
| #2 | Japan | 3 | |
| #3 | WIPO (World Intellectual Property Organization) | 1 |
| # | Industry | |
|---|---|---|
| #1 | Transport | |
| #2 | Audio-visual technology | |
| #3 | Mechanical elements | |
| #4 | Engines, pumps and turbines | |
| #5 | Machines | |
| #6 | Basic communication technologies | |
| #7 | Semiconductors | |
| #8 | Consumer goods |
| # | Name | Total Patents |
|---|---|---|
| #1 | Ota Keisuke | 8 |
| #2 | Oota Keisuke | 3 |
| #3 | Hasegawa Yoshio | 2 |
| #4 | Matsunaga Hitoshi | 2 |
| #5 | Masunaga Seiji | 1 |
| #6 | Shigeta Kazuyuki | 1 |
| #7 | Hashimoto Seiji | 1 |
| #8 | Oshima Koji | 1 |
| Publication | Filing date | Title |
|---|---|---|
| WO2014147729A1 | Shoulder rest for musical instrument | |
| JPS58141167A | Ball striking apparatus | |
| JPS5737465A | Toy of ball game | |
| JPS55103885A | Ball game toy |