Hitoshi Itabashi
38Patents
18h-index
39Co-inventors
81Inventor score
Filing activity: Jul 28, 1993 → Mar 13, 2017
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5766814A | Magnetic coated carrier, two-component type developer and developing method | Physics | 48 | Expired |
| US6165663A | Magnetic coated carrier two-component type developer and developing method | Physics | 37 | Expired |
| US8609312B2 | Toner | Physics | 34 | Active |
| US8574801B2 | Toner | Physics | 32 | Active |
| US9098002B2 | Toner | Physics | 30 | Active |
| US9029056B2 | Toner | Physics | 29 | Active |
| US9098003B2 | Toner | Physics | 29 | Active |
| US8383312B2 | Resin for toner and toner | Physics | 29 | Active |
| US8828633B2 | Toner | Physics | 26 | Active |
| US5573880A | Carrier for electrophotography, process for its production, two-component type developer, and image forming method | Physics | 26 | Expired |
| US8053156B2 | Toner, and toner production process | Physics | 25 | Active |
| US6124070A | Toner and process for producing toner | Physics | 24 | Expired |
| US5576133A | Carrier for use in electrophotography, two component-type developer and image forming method | Physics | 22 | Expired |
| US5985502A | Toner for developing an electrostatic image and process for producing a toner | Physics | 22 | Expired |
| US6106990A | Process for producing toner particles | Physics | 19 | Expired |
| US5744278A | Toner for developing an electrostatic image and process for producing a toner | Physics | 18 | Expired |
| US5494770A | Image forming method using magnetic brush and specific carrier | Physics | 18 | Expired |
| US6566028B2 | Toner, and process for producing toner | Physics | 18 | Expired |
| US5439771A | Carrier for use in electrophotography, two component-type developer and image forming method | Physics | 18 | Expired |
| US6358658B1 | Toner, and process for producing toner | Physics | 18 | Expired |
| US6083655A | Magnetic brush developing method | Physics | 17 | Expired |
| US8178275B2 | Method for producing polymerized toner, polymerized toner, method for producing binder resin for toner and binder resin for toner | Physics | 17 | Active |
| US10295922B2 | Toner and toner manufacturing method | Physics | 16 | Active |
| US10012922B2 | Toner and method for producing toner | Physics | 16 | Active |
| US9964879B2 | Toner and method for producing toner | Physics | 16 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.