| # | Country | Total Patents | |
|---|---|---|---|
| #1 | United States | 23 |
| # | Industry | |
|---|---|---|
| #1 | Packaging and shipping | |
| #2 | Consumer goods | |
| #3 | Optics | |
| #4 | Machine tools | |
| #5 | Textiles and paper | |
| #6 | Machines |
| # | Technology | |
|---|---|---|
| #1 | Handling thin material | |
| #2 | Electrography | |
| #3 | Bookbinding | |
| #4 | Permanently attaching objects | |
| #5 | Nailing machines | |
| #6 | Mechanical paper working | |
| #7 | Cutting | |
| #8 | Perforating | |
| #9 | Unspecified technologies |
| # | Name | Total Patents |
|---|---|---|
| #1 | Obuchi Yusuke | 23 |
| #2 | Nishizawa Seiji | 8 |
| #3 | Takahashi Masaya | 8 |
| #4 | Hayashi Kenichi | 6 |
| #5 | Abe Hideto | 6 |
| #6 | Nishi Yuki | 3 |
| #7 | Tsugane Shin | 3 |
| #8 | Takemasa Rikiya | 2 |
| #9 | Watanabe Naoto | 1 |
| #10 | Momoka Toshiki | 1 |
| Publication | Filing date | Title |
|---|---|---|
| US2009134572A1 | Sheet stacking device and image forming apparatus | |
| US2009127778A1 | Sheet stacking apparatus and image forming apparatus |