Masayoshi Kato
61Patents
20h-index
73Co-inventors
91Inventor score
Filing activity: Oct 10, 1975 → Nov 16, 2017
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US7833687B2 | Aqueous dispersion of fine resin particles, method for producing aqueous dispersion of fine resin particles, and method for producing toner particles | Physics | 52 | Active |
| US7833685B2 | Coloring compound and yellow toner containing the coloring compound | Physics | 50 | Active |
| US5555333A | Optical module and a fabrication process thereof | Physics | 48 | Expired |
| US4178017A | Safety bag inflation apparatus with extendible guard member against contact of bag with heated gas generator | Mechanical Engineering; Lighting; Heating | 44 | Expired |
| US8697327B2 | Toner production process and toner | Physics | 42 | Active |
| US4068862A | Safety bag inflation apparatus with extendible guard member against contact of bag with heated gas generator | Mechanical Engineering; Lighting; Heating | 37 | Expired |
| US5853626A | Optical module and a fabrication process thereof | Physics | 33 | Expired |
| US8211606B2 | Coloring compound, yellow toner, sheet for heat-sensitive transfer recording, and ink | Physics | 32 | Active |
| US5424810A | Magnetic toner, magnetic developer, apparatus unit, image forming apparatus and facsimile apparatus | Physics | 32 | Expired |
| USD417296S | Self-ballasted compact fluorescent lamps | General | 31 | Expired |
| US5111998A | Process for producing toner for developing electrostatic image and apparatus system therefor | Physics | 28 | Expired |
| US4844349A | Process for producing toner for developing electrostatic images and apparatus therefor | Performing Operations; Transporting | 27 | Expired |
| US5016823A | Air current classifier, process for preparing toner, and apparatus for preparing toner | Performing Operations; Transporting | 26 | Expired |
| US5489498A | Toner for developing electrostatic image and method of manufacturing resin composition | Physics | 26 | Expired |
| US5215845A | Image forming method and image forming apparatus | Physics | 25 | Expired |
| US7264910B2 | Cyan toner and method of producing cyan toner | Physics | 25 | Expired |
| US5753396A | Image forming method | Physics | 25 | Expired |
| US7288357B2 | Cyan toner and method of producing cyan toner | Physics | 25 | Active |
| US5364720A | Magnetic developer for developing electrostatic images | Physics | 24 | Expired |
| US5338638A | Toner for developing electrostatic image and process for production thereof | Physics | 22 | Expired |
| USD414282S | Self-ballasted compact fluorescent lamps | General | 20 | Expired |
| USD415293S | Self-ballasted compact fluorescent lamps | General | 20 | Expired |
| US5672825A | Method and apparatus for detecting and discriminating objects under the ground | Physics | 20 | Expired |
| US5071232A | Optical deflection element and space optical matrix switching device | Physics | 20 | Expired |
| US5759453A | Optical module and a fabrication process thereof | Physics | 19 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.