| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Japan | 54 | |
| #2 | China | 1 | |
| #3 | Republic of Korea | 1 | |
| #4 | WIPO (World Intellectual Property Organization) | 1 |
| # | Industry | |
|---|---|---|
| #1 | Consumer goods | |
| #2 | Machines | |
| #3 | Textiles and paper | |
| #4 | Basic materials chemistry |
| # | Technology | |
|---|---|---|
| #1 | Goods for writing upon | |
| #2 | Printing processes | |
| #3 | Producing decorative effects | |
| #4 | Shaping of plastics | |
| #5 | Typewriters | |
| #6 | Unspecified technologies | |
| #7 | Fillers | |
| #8 | Adhesives |
| # | Name | Total Patents |
|---|---|---|
| #1 | Uno Genzou | 15 |
| #2 | Nagai Yoshitsune | 10 |
| #3 | Uno Genzo | 8 |
| #4 | Hiura Masahito | 7 |
| #5 | Tochio Yosuke | 6 |
| #6 | Yamazaki Zenjiro | 4 |
| #7 | Nishimura Ichiro | 2 |
| #8 | Kita Tsumiyoshi | 2 |
| #9 | Horigome Akira | 2 |
| #10 | Nakajima Junya | 1 |
| Publication | Filing date | Title |
|---|---|---|
| CN111836728A | Pencil sharpener | |
| JP2020183042A | Pencil sharpener | |
| JP2020114627A | Folding ruler | |
| JP2020039765A | Pencil case | |
| JP2019180694A | bag | |
| JP2019101063A | Crime prevention buzzer | |
| JP2016034706A | Pencil sharpener | |
| JP2007125740A | Ruler | |
| JP2005238775A | Method for producing document holder, and document holder | |
| JP2004345224A | Writing utensil | |
| JP2004344404A | Strap clasp device | |
| JP2004344405A | Case for housing bag | |
| JP2003305980A | Paper binder and clip therefor | |
| JP2002192892A | Pencil sharpener | |
| JP2001349104A | Auxiliary lever for door knob | |
| JP2001322391A | Manual pencil sharpener | |
| JP2001047795A | Paste container for coating to switch thick and thin width | |
| JPH1157236A | Cutter knife | |
| JPH10193877A | Drafting compass | |
| JPH10193876A | Writing instrument-holder for drafting compass |