| # | Country | Total Patents | |
|---|---|---|---|
| #1 | United States | 9 | |
| #2 | Japan | 5 |
| # | Industry | |
|---|---|---|
| #1 | Machines | |
| #2 | Environmental technology | |
| #3 | Thermal processes | |
| #4 | Mechanical elements | |
| #5 | Materials and metallurgy |
| # | Name | Total Patents |
|---|---|---|
| #1 | Sakamoto Osamu | 14 |
| #2 | Miyazaki Seiji | 6 |
| #3 | Tanaka Chikao | 6 |
| #4 | Ohkawa Satoru | 6 |
| #5 | Murakami Takahiro | 1 |
| Publication | Filing date | Title |
|---|---|---|
| JP2015081500A | Opening/closing apparatus of land lock or water gate | |
| JP2013144919A | Opening/closing device for land lock/sluice using compressed gas | |
| JP2013198908A | Droplet absorption pet bottle suction type compressor | |
| JPH10176901A | Tape measure with hole opened on scale | |
| JPH02309881A | Scan controller for pointing beam |