| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Taiwan | 4 | |
| #2 | WIPO (World Intellectual Property Organization) | 3 | |
| #3 | China | 2 | |
| #4 | Singapore | 2 | |
| #5 | Canada | 1 |
| # | Industry | |
|---|---|---|
| #1 | Consumer goods | |
| #2 | Basic materials chemistry | |
| #3 | Textiles and paper | |
| #4 | Audio-visual technology | |
| #5 | Optics | |
| #6 | Machines | |
| #7 | Mechanical elements |
| # | Technology | |
|---|---|---|
| #1 | Writing or drawing tools | |
| #2 | Coating compositions | |
| #3 | Goods for writing upon | |
| #4 | Materials for miscellaneous applications | |
| #5 | Stamps | |
| #6 | Gearing | |
| #7 | Unspecified technologies | |
| #8 | Special designs | |
| #9 | Nonlinear optics | |
| #10 | Advertising |
| # | Name | Total Patents |
|---|---|---|
| #1 | Hoshino Takanori | 3 |
| #2 | Umemoto Hiroshi | 2 |
| #3 | Ozawa Taeko | 2 |
| #4 | Tozuka Taro | 2 |
| #5 | Yoshino Kiyotaka | 2 |
| #6 | Nakashima Akio | 2 |
| #7 | Kubota Masaaki | 2 |
| #8 | Murakata Shinichi | 1 |
| #9 | Sakuma Ryuusuke | 1 |
| #10 | Sato Morio | 1 |
| Publication | Filing date | Title |
|---|---|---|
| CA2924950A1 | Writing instrument and ink cartridge |