| # | Country | Total Patents | |
|---|---|---|---|
| #1 | China | 5 | |
| #2 | WIPO (World Intellectual Property Organization) | 4 | |
| #3 | EPO (European Patent Office) | 3 | |
| #4 | Republic of Korea | 2 | |
| #5 | United States | 2 | |
| #6 | Taiwan | 1 |
| # | Industry | |
|---|---|---|
| #1 | Materials and metallurgy | |
| #2 | Engines, pumps and turbines | |
| #3 | Machines | |
| #4 | Machine tools | |
| #5 | Basic communication technologies |
| # | Technology | |
|---|---|---|
| #1 | Non-positive-displacement pumps | |
| #2 | Foundry moulding | |
| #3 | Unspecified technologies | |
| #4 | Casting metal | |
| #5 | Cutting | |
| #6 | Special non-positive-displacement engines | |
| #7 | Pulse technique | |
| #8 | Changing non-ferrous metals | |
| #9 | Alloys |
| # | Name | Total Patents |
|---|---|---|
| #1 | Kubota Yasuhiro | 8 |
| #2 | Itoh Hirokazu | 4 |
| #3 | Yasuhiro Kubota | 3 |
| #4 | Tominaga Osamu | 3 |
| #5 | Tanaka Michio | 2 |
| #6 | Sasaki Mikio | 2 |
| #7 | Tanaka Seiji | 2 |
| #8 | Nakao Junichi | 2 |
| #9 | Hirokazu Itoh | 1 |
| #10 | Koya Shigeki | 1 |
| Publication | Filing date | Title |
|---|---|---|
| WO2012121228A1 | Rotary cutting blade for cutting sheet material, method for manufacturing rotary cutting blade, and rotary cutter using rotary cutting blade | |
| KR20070083521A | Impeller for supercharger and method of manufacturing the same | |
| TWI305558B | Impeller used by supercharger and manufacturing method thereof | |
| CN1842657A | Impeller for supercharger and method of manufacturing the same |