| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Germany | 6 | |
| #2 | United Kingdom | 6 | |
| #3 | France | 4 | |
| #4 | United States | 4 | |
| #5 | Italy | 2 | |
| #6 | Switzerland | 1 |
| # | Industry | |
|---|---|---|
| #1 | Consumer goods | |
| #2 | Macromolecular chemistry and polymers | |
| #3 | Machines |
| # | Technology | |
|---|---|---|
| #1 | Writing or drawing tools | |
| #2 | Brushes | |
| #3 | Hairstyling and cosmetic | |
| #4 | Compounding ingredients | |
| #5 | Unspecified technologies | |
| #6 | Macromolecular compounds compositions |
| # | Name | Total Patents |
|---|---|---|
| #1 | Nagai Masahiko | 9 |
| #2 | Abe Katsunori | 3 |
| #3 | Inoue Toshio | 3 |
| #4 | Torii Shiro | 2 |
| #5 | Katsunori Abe | 1 |
| #6 | Toshio Inoue | 1 |
| #7 | Masahiko Nagai | 1 |
| Publication | Filing date | Title |
|---|---|---|
| US4969765A | Mechanical marking pen | |
| GB8334023D0 | Make up, marking or writing implement | |
| IT8220501D0 | Marking or sign pen | |
| CH655692A5 | Marking pen | |
| DE3142520A1 | Pen | |
| GB2063180A | Writing implement | |
| US3996183A | Solid paste and method of making same | |
| GB1360381A | Solid paste |