| # | Country | Total Patents | |
|---|---|---|---|
| #1 | United States | 19 | |
| #2 | China | 15 | |
| #3 | EPO (European Patent Office) | 8 | |
| #4 | Taiwan | 7 | |
| #5 | Republic of Korea | 5 | |
| #6 | WIPO (World Intellectual Property Organization) | 2 | |
| #7 | Japan | 1 |
| # | Industry | |
|---|---|---|
| #1 | Consumer goods | |
| #2 | Machines | |
| #3 | Packaging and shipping | |
| #4 | Computer technology | |
| #5 | Textiles and paper | |
| #6 | Electrical machinery and energy | |
| #7 | Audio-visual technology | |
| #8 | Digital networks |
| # | Name | Total Patents |
|---|---|---|
| #1 | Kanari Hiroyuki | 20 |
| #2 | Hosoya Tomohiro | 10 |
| #3 | Ishii Yousuke | 7 |
| #4 | Sakaoka Gouji | 5 |
| #5 | Hiroyuki Kanari | 5 |
| #6 | Hashimoto Keito | 4 |
| #7 | Ohkouchi Akihiro | 3 |
| #8 | Yasuhiro Sanpei | 3 |
| #9 | Itakura Masahiko | 3 |
| #10 | Watanabe Kazuo | 3 |
| Publication | Filing date | Title |
|---|---|---|
| US2021001661A1 | Knocking-type writing instrument equipped with eraser | |
| CN104339932A | Mechanical pencil | |
| JP2013146322A | Magnetic rotary therapeutic equipment with permanent magnet | |
| US2011188918A1 | Mechanical pencil | |
| CN102107571A | Automatic pencil | |
| TW201121804A | Mechanical pencil. | |
| KR20080108903A | Writing tools of direct liquid type | |
| TW200403160A | Writing instrument | |
| US5236271A | Automatic mechanical pencil | |
| EP0210350A1 | Mechanical pencil | |
| US4733461A | Method of stacking printed circuit boards | |
| EP0146128A2 | Automatic mechanical pencil |