| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Japan | 20 | |
| #2 | United States | 9 | |
| #3 | Republic of Korea | 6 | |
| #4 | EPO (European Patent Office) | 4 | |
| #5 | Hong Kong | 4 | |
| #6 | China | 3 | |
| #7 | Singapore | 2 | |
| #8 | Australia | 1 | |
| #9 | Germany | 1 | |
| #10 | France | 1 | |
| #11 | United Kingdom | 1 | |
| #12 | India | 1 | |
| #13 | Taiwan | 1 | |
| #14 | WIPO (World Intellectual Property Organization) | 1 |
| # | Industry | |
|---|---|---|
| #1 | Consumer goods | |
| #2 | Machines | |
| #3 | Machine tools |
| # | Technology | |
|---|---|---|
| #1 | Hairstyling and cosmetic | |
| #2 | Unspecified technologies | |
| #3 | Wood saws |
| # | Name | Total Patents |
|---|---|---|
| #1 | Yasuda Masahiro | 42 |
| #2 | Yasuda Mitsumasa | 6 |
| #3 | Nakayama Takehisa | 5 |
| #4 | Masahiro Yasuda | 3 |
| #5 | Yamada Takeshi | 2 |
| #6 | Terada Ichiro | 1 |
| #7 | Morii Hisao | 1 |
| #8 | Yasuta Masahiro | 1 |
| Publication | Filing date | Title |
|---|---|---|
| JP2020146858A | Double end tenoner | |
| JP2007319950A | Method for trimming workpiece, and its apparatus | |
| JP2007230711A | Carrying chain | |
| JP2007039916A | Hanger for soundproof ceiling board | |
| US2005199258A1 | Hair clip | |
| JP2005058564A | Hair-holding device | |
| AU2003241918A1 | Hair fastener | |
| JP2004016316A | Hairclip | |
| KR20020075127A | Hair clip | |
| JP2002253330A | Barrette | |
| JP2000333721A | Hairclip | |
| KR100239764B1 | Hair pin | |
| CN1223832A | Hairpin | |
| JPH11200694A | Carved-in type plural tightening lock | |
| JPH11182116A | Clamping roller lock | |
| JPH11169222A | Hair stopper | |
| JPH11166378A | Door with end face closing device | |
| KR100219397B1 | Hair clip | |
| JPH10276827A | Hair clip | |
| JPH10148065A | Variable structure of door height |