| # | Country | Total Patents | |
|---|---|---|---|
| #1 | United States | 46 | |
| #2 | Japan | 1 |
| # | Industry | |
|---|---|---|
| #1 | Textiles and paper | |
| #2 | Optics | |
| #3 | Packaging and shipping | |
| #4 | Chemical engineering | |
| #5 | Machines | |
| #6 | Mechanical elements |
| # | Technology | |
|---|---|---|
| #1 | Typewriters | |
| #2 | Electrography | |
| #3 | Printing machines | |
| #4 | Handling thin material | |
| #5 | Making paper goods | |
| #6 | Special printing | |
| #7 | Drying solid materials by removing liquid | |
| #8 | Unspecified technologies | |
| #9 | Clutches and brakes | |
| #10 | Printing processes |
| # | Name | Total Patents |
|---|---|---|
| #1 | Izawa Hideo | 47 |
| #2 | Setoyama Junichi | 15 |
| #3 | Namiki Takao | 13 |
| #4 | Ishikawa Akira | 11 |
| #5 | Yamazaki Yuuichi | 9 |
| #6 | Ooyama Kouichi | 8 |
| #7 | Itabashi Wataru | 6 |
| #8 | Harada Kotaro | 5 |
| #9 | Fujiwara Reishi | 5 |
| #10 | Takahashi Kenji | 5 |
| Publication | Filing date | Title |
|---|---|---|
| JPH1134360A | Ink jet printer |