| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Japan | 11 |
| # | Industry | |
|---|---|---|
| #1 | Mechanical elements |
| # | Technology | |
|---|---|---|
| #1 | Shafts |
| # | Name | Total Patents |
|---|---|---|
| #1 | Fukuoka Mikito | 10 |
| #2 | Fukuoka Noboru | 1 |
| Publication | Filing date | Title |
|---|---|---|
| JP2010271389A | Hinge | |
| JP2010271388A | Hinge | |
| JP2007295947A | Connecting metal fitting | |
| JP2007247791A | Metal fitting and string connection structure | |
| JP2005256855A | Screw fastener | |
| JP2004325591A | Sprung hinge | |
| JP2004162750A | Washer and hinge using it | |
| JP2003295123A | Hinge | |
| JP2003140092A | Connecting structure of member consisting of titanium or titanium alloy of spectacle frame and method of connecting the same | |
| JP2002202480A | Connecting structure | |
| JPH09197351A | Spring hinge of spectacles |