| # | Country | Total Patents | |
|---|---|---|---|
| #1 | United States | 13 |
| # | Industry | |
|---|---|---|
| #1 | Optics |
| # | Technology | |
|---|---|---|
| #1 | Electrography |
| # | Name | Total Patents |
|---|---|---|
| #1 | Kubota Tomohiro | 13 |
| #2 | Shimizu Yoshiyuki | 11 |
| #3 | Nakatake Naoki | 10 |
| #4 | Tsuritani Shoh | 8 |
| #5 | Hamada Manabu | 7 |
| #6 | Tsuji Masato | 6 |
| #7 | Fujita Masanari | 6 |
| #8 | Yoshida Tomofumi | 5 |
| #9 | Ooyoshi Hirobumi | 4 |
| #10 | Tatsumi Kenzo | 3 |
| Publication | Filing date | Title |
|---|---|---|
| US2009022531A1 | Toner cartridge with refillable fresh and residual toner chambers, process cartridge, and method of making toner cartridge reusable |