| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Japan | 30 |
| # | Industry | |
|---|---|---|
| #1 | Optics |
| # | Technology | |
|---|---|---|
| #1 | Spectacles |
| # | Name | Total Patents |
|---|---|---|
| #1 | Sanpei Tetsuo | 20 |
| #2 | Iimura Yuichi | 10 |
| #3 | Miwa Yoichiro | 1 |
| #4 | Hagiwara Tsutomu | 1 |
| #5 | Hiyama Yasuhiro | 1 |
| #6 | Kobayashi Keiji | 1 |
| Publication | Filing date | Title |
|---|---|---|
| JP2020148873A | Spectacle frame | |
| JP2020148872A | Spectacle frame | |
| JP2019092788A | Storage case | |
| JP2019028400A | Temple for eyeglasses and method for producing the same | |
| JP2013061396A | Spectacle frame | |
| JP2013061398A | Spectacle frame | |
| JP2013061397A | Spectacle frame | |
| JP2012068477A | Eyeglass frame | |
| JP2011150234A | Eyeglass frame | |
| JP2010210921A | Fixing mechanism for gut in half rim | |
| JP2009048091A | Eyeglass frame | |
| JP2009020171A | Spectacle frame | |
| JP2008257103A | Temples of eyeglasses frame | |
| JP2008139689A | Coupling mechanism for front frame and wraparound endpiece | |
| JP2008076743A | Spectacle frame | |
| JP2008058783A | Spectacle frame | |
| JP2008058784A | Spectacle frame | |
| JP2007322789A | Eyeglass frame | |
| JP2007322607A | Eyeglass frame | |
| JP2007322487A | Eyeglass frame |