| # | Country | Total Patents | |
|---|---|---|---|
| #1 | WIPO (World Intellectual Property Organization) | 3 | |
| #2 | China | 2 | |
| #3 | Germany | 2 | |
| #4 | France | 2 | |
| #5 | United States | 2 | |
| #6 | Australia | 1 |
| # | Industry | |
|---|---|---|
| #1 | Machine tools |
| # | Technology | |
|---|---|---|
| #1 | Tools for connecting or disengaging | |
| #2 | Grinding or polishing devices | |
| #3 | Multi-purpose tools |
| # | Name | Total Patents |
|---|---|---|
| #1 | Iritani Toshiro | 6 |
| #2 | Kamiya Tadashi | 5 |
| #3 | Nagata Masakazu | 4 |
| #4 | Masakazu Nagata | 2 |
| Publication | Filing date | Title |
|---|---|---|
| DE19928987A1 | Revolution number regulation unit for air rotation tool such as air grinder, air sanding machine |