Daisuke Ishizuka
41Patents
7h-index
70Co-inventors
72Inventor score
Filing activity: Jul 21, 1995 → Feb 7, 2024
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5592280A | Sheet binding apparatus capable of performing two kinds of binding processes | Physics | 40 | Expired |
| US6000894A | Bookbinding apparatus | Emerging Cross-Sectional Technologies | 35 | Expired |
| US6094510A | Image processing apparatus and method for predicting a compression rate of image data processed to modify an image | Electricity | 29 | Expired |
| US8620658B2 | Voice chat system, information processing apparatus, speech recognition method, keyword data electrode detection method, and program for speech recognition | Physics | 14 | Active |
| US6577837B2 | Image forming method and image forming apparatus | Physics | 11 | Expired |
| US5899649A | Book-binding apparatus and image forming apparatus | Emerging Cross-Sectional Technologies | 8 | Expired |
| US7852525B2 | Surface illumination unit and transparent original reading apparatus | Electricity | 7 | Active |
| US7001701B2 | Color toner, electrostatic latent image developer, image forming method, and image producing device | Physics | 7 | Expired |
| US6492782B2 | Image input apparatus, image input system, light source control method, and storage medium | Electricity | 5 | Expired |
| US6846603B2 | Color toner, electrostatic latent image developer, image forming method, and image producing device | Physics | 5 | Expired |
| US6528220B2 | Electrophotogaphic color toner, electrophotographic developer, and image-forming process | Physics | 4 | Expired |
| US6420080B1 | Process for forming image | Physics | 3 | Expired |
| US6784410B2 | Image input system, image input apparatus, image input method, program, and storage medium | Electricity | 3 | Expired |
| US7554704B2 | Image scanning apparatus having a scanning position adjustment capability | Electricity | 2 | Expired |
| US7138215B2 | Process cartridge, image forming apparatus and image forming method | Physics | 2 | Expired |
| US7977022B2 | Developer, process cartridge, and image forming apparatus | Physics | 1 | Active |
| US8728697B2 | Carrier for electrostatic image developer, electrostatic image developer, toner cartridge, process cartridge, and image forming apparatus | Physics | 1 | Active |
| US9612542B2 | Electrostatic charge image developing toner, electrostatic charge image developer, and toner cartridge | Physics | 0 | Active |
| US10935900B2 | Toner for developing electrostatic charge image, electrostatic charge image developer, and toner cartridge | Physics | 0 | Active |
| US12429800B2 | Image forming apparatus with fixing device having lever and fixed handle | Physics | 0 | Active |
| US12298711B2 | Toner for developing electrostatic charge image, electrostatic charge image developer, toner cartridge, process cartridge, and image forming apparatus | Physics | 0 | Active |
| US9482972B2 | Electrostatic charge image developing toner, electrostatic charge image developer, and toner cartridge | Physics | 0 | Active |
| US9715185B2 | Electrostatic-image developing toner, electrostatic-image developer, and toner cartridge | Physics | 0 | Active |
| US12259683B2 | Toner for developing electrostatic charge image and electrostatic charge image developer | Physics | 0 | Active |
| US12105470B2 | Toner for developing electrostatic charge image, electrostatic charge image developer, toner cartridge, process cartridge, image forming apparatus, and image forming method | Physics | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.