| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Japan | 170 | |
| #2 | WIPO (World Intellectual Property Organization) | 34 | |
| #3 | United States | 33 | |
| #4 | EPO (European Patent Office) | 19 | |
| #5 | China | 7 | |
| #6 | Canada | 1 | |
| #7 | Hong Kong | 1 | |
| #8 | Republic of Korea | 1 | |
| #9 | Norway | 1 | |
| #10 | Taiwan | 1 |
| # | Industry | |
|---|---|---|
| #1 | Machine tools | |
| #2 | Medical technology | |
| #3 | Consumer goods | |
| #4 | Furniture and games | |
| #5 | Machines | |
| #6 | Packaging and shipping | |
| #7 | Engines, pumps and turbines |
| # | Name | Total Patents |
|---|---|---|
| #1 | Nakasuka Hiroyuki | 23 |
| #2 | Nakasuga Hiroyuki | 23 |
| #3 | Hasegawa Katsumi | 21 |
| #4 | Haba Daisuke | 18 |
| #5 | Endo Masahiro | 18 |
| #6 | Sugawara Akira | 17 |
| #7 | Hashimoto Kengo | 10 |
| #8 | Miyazaki Hiroaki | 9 |
| #9 | Takeshita Takahiro | 9 |
| #10 | Koide Takasuke | 8 |
| Publication | Filing date | Title |
|---|---|---|
| US10980366B1 | Edged tool storage device set | |
| WO2021079532A1 | Hair tweezers | |
| WO2021070398A1 | Razor | |
| WO2021019793A1 | Razor head | |
| WO2021019794A1 | Razor head | |
| WO2020079791A1 | Knife and kitchen implement | |
| JP2016034384A | Chopping board | |
| JP2016032503A | Razor with shaving aid | |
| JP2016016174A | Handheld tool | |
| JP2016007468A | Skin resection implement | |
| JP2016007467A | Hand-held tool | |
| JP2016000115A | Medical knife and manufacturing method of the same | |
| JP2015146853A | Hair brush | |
| JP2015142650A | medical knife | |
| JP2015134038A | Hair set instrument | |
| JP2015123220A | Trocar | |
| JP2015100621A | Razor | |
| JP2015078939A | Medical knife | |
| JP2015077179A | Razor head protection cover and replacement blade storage case | |
| JP2015077178A | Replacement blade detachable type razor |