| # | Country | Total Patents | |
|---|---|---|---|
| #1 | United States | 11 | |
| #2 | Japan | 1 |
| # | Industry | |
|---|---|---|
| #1 | Optics | |
| #2 | Computer technology | |
| #3 | Machine tools |
| # | Technology | |
|---|---|---|
| #1 | Electrography | |
| #2 | Grinding or polishing devices | |
| #3 | Data recognition and presentation |
| # | Name | Total Patents |
|---|---|---|
| #1 | Kasai Tadashi | 12 |
| #2 | Yasuda Makoto | 4 |
| #3 | Terao Masakazu | 4 |
| #4 | Shiraishi Emiko | 3 |
| #5 | Morinaga Mutsuki | 3 |
| #6 | Aizawa Yuichi | 3 |
| #7 | Kobayashi Shinya | 3 |
| #8 | Sakurai Yoichi | 3 |
| #9 | Yamamoto Hitoshi | 3 |
| #10 | Iio Masato | 2 |
| Publication | Filing date | Title |
|---|---|---|
| US2010028053A1 | Development device and image forming apparatus capable of reducing stress applied to developer | |
| JPS59232769A | Polishing device |