| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Japan | 7 | |
| #2 | United States | 3 | |
| #3 | Germany | 1 |
| # | Industry | |
|---|---|---|
| #1 | Packaging and shipping | |
| #2 | Mechanical elements | |
| #3 | Machine tools | |
| #4 | Machines |
| # | Technology | |
|---|---|---|
| #1 | Nails | |
| #2 | Lifting and pushing | |
| #3 | Unspecified technologies | |
| #4 | Tools for connecting or disengaging |
| # | Name | Total Patents |
|---|---|---|
| #1 | Sugiyama Akira | 6 |
| #2 | Okada Hiroshi | 4 |
| #3 | Takagi Ryuichi | 3 |
| #4 | Nishihara Naoya | 1 |
| #5 | Ishiguro Masaru | 1 |
| #6 | Okada Hirosi | 1 |
| #7 | Araki Naoto | 1 |
| #8 | Tsuchinaga Naoki | 1 |
| #9 | Murakoshi Yasuyuki | 1 |
| Publication | Filing date | Title |
|---|---|---|
| JP2020070679A | Connecting tool especially female-type connecting member used for tunnel steel-made supports | |
| JP2018112199A | Female type connection member | |
| JP2018111921A | Connector | |
| JP2016142280A | Joint tool and concrete member connection device using joint tool | |
| JP2010096340A | Connector | |
| JP2010084928A | Connecting implement | |
| JPH09324495A | Joint element and jointing method using the element | |
| DE3315892A1 | TOGLE LEVER SCREW | |
| US4363164A | Device for removing dump nut from bolt |