| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Japan | 37 | |
| #2 | United States | 2 | |
| #3 | China | 1 | |
| #4 | EPO (European Patent Office) | 1 | |
| #5 | WIPO (World Intellectual Property Organization) | 1 |
| # | Industry | |
|---|---|---|
| #1 | Machines | |
| #2 | Machine tools | |
| #3 | Control |
| # | Technology | |
|---|---|---|
| #1 | Turning | |
| #2 | Unspecified technologies | |
| #3 | Unspecified technologies | |
| #4 | Accessories for machine tools | |
| #5 | Milling | |
| #6 | Tools for connecting or disengaging | |
| #7 | Control or regulating systems | |
| #8 | Metal-working |
| # | Name | Total Patents |
|---|---|---|
| #1 | Sakamaki Kazuo | 41 |
| #2 | Sakamaki Akira | 36 |
| #3 | Taniguchi Tadashi | 14 |
| #4 | Seki Tetsuo | 13 |
| #5 | Sato Yoshiaki | 10 |
| #6 | Kinebuchi Kiyohiro | 7 |
| #7 | Sato Chokichi | 7 |
| #8 | Ikehara Takashi | 5 |
| #9 | Sakamaki Koji | 4 |
| #10 | Takizawa Koichi | 3 |
| Publication | Filing date | Title |
|---|---|---|
| JP2018089751A | Chuck device | |
| JP2016124070A | Chuck device | |
| JP2011115929A | Tool holder | |
| JP2011031337A | Electrically-driven rotary tool | |
| JP2010260122A | Chuck device | |
| JP2008110456A | Holding device | |
| JP2008114306A | Rotating table device | |
| JP2008055565A | Rotary table device | |
| JP2007331078A | Rotary table device | |
| JP2007007843A | Rotary tool | |
| JP2006297567A | Tool holder and rotary machining device | |
| JP2005177982A | Turning tool | |
| JP2006150575A | Chucking device | |
| JP2006095668A | Rotary table device | |
| JP2005177975A | Chuck device and fastening body for chuck device | |
| JP2005305574A | Chuck device | |
| JP2005246522A | Rotary table device | |
| JP2005131765A | Chuck device and tool holding method | |
| US2004021275A1 | Keyless chuck and associated method | |
| JP2004188507A | Chucking device |