Tadashi Doujo
17Patents
9h-index
20Co-inventors
68Inventor score
Filing activity: Apr 15, 1994 → May 14, 2003
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5976752A | Toner and image forming method | Physics | 36 | Expired |
| US5955234A | Toner for developing electrostatic image, and image forming method | Physics | 23 | Expired |
| US5483327A | Toner for developing electrostatic image, forming apparatus and process cartridge | Physics | 23 | Expired |
| US5439770A | Toner for developing electrostatic image, image forming apparatus and process cartridge | Physics | 23 | Expired |
| US6953646B2 | Toner particles including a sulfur-containing resin | Physics | 21 | Expired |
| US5578408A | Toner for developing electrostatic image | Physics | 19 | Expired |
| US5660963A | Toner for developing electrostatic image | Physics | 15 | Expired |
| US6232027A | Toner having negative triboelectric chargeability and image forming method | Physics | 15 | Expired |
| US5695902A | Toner for developing electrostatic image, image forming method and process-cartridge | Physics | 13 | Expired |
| US5773183A | Toner for developing electrostatic images | Physics | 9 | Expired |
| US6040103A | Toner for developing electrostatic image and image forming method | Physics | 9 | Expired |
| US6090515A | Toner for developing electrostatic image, image forming method and process cartridge | Physics | 9 | Expired |
| US5858597A | Toner for developing electrostatic image containing specified double oxide particles | Physics | 8 | Expired |
| US6017669A | Toner for developing an electrostatic image | Physics | 4 | Expired |
| US6365314B1 | Toner for developing electrostatic image, image forming method and process cartridge | Physics | 3 | Expired |
| US6783910B2 | Toner for developing electrostatic image | Physics | 2 | Expired |
| US6623901B1 | Toner for developing electrostatic image | Physics | 1 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.