| # | Country | Total Patents | |
|---|---|---|---|
| #1 | United States | 12 |
| # | Industry | |
|---|---|---|
| #1 | Optics |
| # | Technology | |
|---|---|---|
| #1 | Electrography |
| # | Name | Total Patents |
|---|---|---|
| #1 | Shu Hyo | 12 |
| #2 | Aoki Mitsuo | 5 |
| #3 | Masuda Minoru | 4 |
| #4 | Hasegawa Kumi | 4 |
| #5 | Umehara Ken | 2 |
| #6 | Tomita Masami | 2 |
| #7 | Inoue Daisuke | 1 |
| #8 | Awamura Junichi | 1 |
| #9 | Kusahara Teruki | 1 |
| #10 | Ogawa Satoshi | 1 |
| Publication | Filing date | Title |
|---|---|---|
| US2006240350A1 | Developer, and image forming apparatus and process cartridge using the developer | |
| US2005208403A1 | Toner, developer including the toner, and developing device and image forming apparatus using the toner |