| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Japan | 4 | |
| #2 | China | 2 | |
| #3 | Republic of Korea | 2 | |
| #4 | Germany | 1 | |
| #5 | France | 1 | |
| #6 | United Kingdom | 1 | |
| #7 | Mexico | 1 | |
| #8 | Malaysia | 1 | |
| #9 | Philippines | 1 | |
| #10 | United States | 1 |
| # | Industry | |
|---|---|---|
| #1 | Machine tools |
| # | Technology | |
|---|---|---|
| #1 | Grinding tools |
| # | Name | Total Patents |
|---|---|---|
| #1 | Yanagiura Yoshikazu | 10 |
| #2 | Ri Gakusho | 7 |
| #3 | Matsubara Takayuki | 5 |
| #4 | Li Xue Sheng | 4 |
| #5 | Yoshikazu Yanagiura | 3 |
| #6 | Yanagiura Yoshiichi | 2 |
| #7 | Gakusho Ri | 2 |
| #8 | Meng Zhaoyi | 1 |
| #9 | Takayuki Matsubara | 1 |
| #10 | Sheng Li Xue | 1 |
| Publication | Filing date | Title |
|---|---|---|
| JP2015208828A | Method for production of grindstone, and grindstone produced by the method | |
| JP2011088234A | Rotary grinding wheel | |
| JP2011073075A | Rotary grinding wheel and method of manufacturing the same | |
| JP2010052081A | Method for manufacturing rotary grinding wheel, and rotary grinding wheel manufactured by the same |