| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Japan | 11 |
| # | Industry | |
|---|---|---|
| #1 | Machine tools | |
| #2 | Consumer goods | |
| #3 | Agriculture |
| # | Technology | |
|---|---|---|
| #1 | Personal adornments | |
| #2 | Making metal chains | |
| #3 | Animal care |
| # | Name | Total Patents |
|---|---|---|
| #1 | Yamamori Toshisato | 11 |
| #2 | Komura Tomo | 8 |
| #3 | Kimura Takeshi | 7 |
| #4 | Murata Takaaki | 2 |
| #5 | Kitamoto Mitsuo | 1 |
| #6 | Hirano Hironobu | 1 |
| #7 | Takahata Chikashi | 1 |
| #8 | Kawahara Kazutoshi | 1 |
| #9 | Yoshida Kaoru | 1 |
| Publication | Filing date | Title |
|---|---|---|
| JP2019122442A | Chain for decoration | |
| JP2019122441A | Pull ring | |
| JP2015223430A | Accessory chain | |
| JP2015213606A | Toggle clasp for ornamental chain | |
| JP2015202204A | Fastener for accessory chain | |
| JP2015177888A | Ornamental chain | |
| JP2014210044A | Ball chain and production method of ball chain | |
| JP2013059544A | Spring ring | |
| JP2013017746A | Method for manufacturing slide metal fitting for accessory chain | |
| JP2011120779A | Adornment | |
| JP2011050968A | Ball chain and method of manufacturing ball chain |