| # | Country | Total Patents | |
|---|---|---|---|
| #1 | United States | 16 |
| # | Industry | |
|---|---|---|
| #1 | Machine tools | |
| #2 | Environmental technology | |
| #3 | Machines | |
| #4 | Mechanical elements |
| # | Name | Total Patents |
|---|---|---|
| #1 | Ikuta Hiroki | 16 |
| #2 | Hanai Takamasa | 5 |
| #3 | Miwa Masao | 5 |
| #4 | Ukai Tomohiro | 4 |
| #5 | Ito Akihiro | 4 |
| #6 | Yamauchi Ken | 4 |
| #7 | Wakatsuki Shusaku | 3 |
| #8 | Sumi Takuya | 2 |
| #9 | Sunabe Hikaru | 2 |
| #10 | Sasaki Yoshinori | 1 |
| Publication | Filing date | Title |
|---|---|---|
| US2010175903A1 | Electric hammer | |
| US2009223691A1 | Impact tool | |
| US2008283264A1 | Impact tool |