Junichi Tamaoki
22Patents
8h-index
23Co-inventors
71Inventor score
Filing activity: Jul 28, 1987 → Oct 31, 2003
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5776646A | Negatively chargeable toner with specified fine particles added externally | Physics | 26 | Expired |
| US4757347A | Oil applying roller for use in an electrophotographic copying apparatus | Physics | 22 | Expired |
| US5747211A | Toner for developing electrostatic latent images | Physics | 19 | Expired |
| US5759731A | Toner for electrophotography with specified fine particles added externally | Physics | 16 | Expired |
| US5707769A | Yellow toner and magenta toner and image forming apparatus and method using same | Physics | 15 | Expired |
| US5976750A | Electrostatic latent image-developing toner containing specified toner particles and specified external additives | Physics | 14 | Expired |
| US6338929B1 | Toner for developing an electrostatic latent image | Physics | 12 | Expired |
| US6541173B1 | Color toner for developing electrostatic image comprising two kinds of polyesters and two kinds of releasing agents | Physics | 9 | Expired |
| US5879848A | Toner for full color developing | Physics | 8 | Expired |
| US6335135B1 | Toner for developing electrostatic latent image | Physics | 7 | Expired |
| US6506530B1 | Color toner for developing electrostatic image, comprising first linear polyester and second non-linear polyester as binder resin | Physics | 6 | Expired |
| US5794105A | Image forming apparatus and toner for full color development | Physics | 6 | Expired |
| US6777151B2 | Negatively chargeable toner and image-forming method | Physics | 6 | Expired |
| US7087354B2 | Non-contact heat fixing color toner and image-forming method | Physics | 5 | Expired |
| US5759728A | Black toner for developing electrostatic latent images with carbon black dispersed in specific distribution | Physics | 4 | Expired |
| US6132920A | Toner for developing electrostatic latent image | Physics | 3 | Expired |
| US6709798B2 | Full color image forming method | Physics | 3 | Expired |
| US6194116A | Toner containing specific alkyl carboxylic acid with fine particles externally added | Physics | 2 | Expired |
| US7087353B2 | Non-contact heat fixing toner | Physics | 2 | Expired |
| US6352808B1 | Electrostatic-latent-image developing toner and inorganic particles used for such a toner | Physics | 2 | Expired |
| US6482561B1 | Toner used for developing electrostatic latent image | Physics | 2 | Expired |
| US6335134B1 | Toner for an electrostatic latent image development | Physics | 1 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.