Ken Ohmura
72Patents
6h-index
55Co-inventors
75Inventor score
Filing activity: Mar 15, 1991 → Mar 10, 2015
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US6296980A | Toner for developing electrostatic image and image forming method | Physics | 19 | Expired |
| US6248494A | Toner for developing an electrostatic image and a production method thereof, and an image forming method | Physics | 17 | Expired |
| US6677097B2 | Toner for developing static image and an image forming method | Physics | 13 | Expired |
| US5376488A | Carrier for electrostatic image developer and process for the production thereof | Physics | 10 | Expired |
| US6689522B2 | Image forming method and electrostatic image developing toner | Physics | 8 | Expired |
| US6456820B1 | Cleaning blade | Physics | 6 | Expired |
| US5182181A | Resin coated carriers for electrostatic image development and the method of preparing the same | Emerging Cross-Sectional Technologies | 6 | Expired |
| US6844126B2 | Electrostatic latent image developing toner and image forming method | Physics | 5 | Expired |
| US9670646B2 | Working vehicle | Mechanical Engineering; Lighting; Heating | 5 | Active |
| US6506529B2 | Toner for developing electrostatic latent image | Physics | 5 | Expired |
| US7150952B2 | Toner for developing electrostatic image and producing method therefor | Physics | 5 | Expired |
| US6921619B2 | Electrostatic image developing | Physics | 4 | Expired |
| US7125637B2 | Toner for developing electrostatic latent image, image forming method and image forming apparatus | Physics | 4 | Expired |
| US6703177B2 | Image forming method using a toner for developing a static image | Physics | 3 | Expired |
| US6287740A | Toner and image forming method | Physics | 3 | Expired |
| US5350656A | Carrier and a production method thereof for developing an electrostatic image | Physics | 3 | Expired |
| US7241544B2 | Image forming method | Physics | 3 | Expired |
| US5200287A | Carrier for developing electrostatic image | Physics | 3 | Expired |
| US6753122B2 | Toner for developing static latent image to form color image | Physics | 3 | Expired |
| US7452654B2 | Toner production method and toner production apparatus | Physics | 2 | Active |
| US7344818B2 | Method for producing toner and an image forming method employing the toner | Physics | 2 | Expired |
| US7205082B2 | Electrostatic charge image developing toner | Physics | 2 | Expired |
| US8304157B2 | Toner and manufacturing method thereof | Physics | 2 | Active |
| US6921616B2 | Electrostatic photographic image forming method | Physics | 2 | Expired |
| US8844832B2 | Production process of non-contact information recording medium | Electricity | 2 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.