Yasuhiro Matsuo
42Patents
8h-index
69Co-inventors
78Inventor score
Filing activity: May 26, 1989 → Feb 5, 2021
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5294963A | Toner cartridge having opening for discharging toner sealed with sealing member and method of stripping sealing member | Physics | 37 | Expired |
| US5838333A | Image processing device and image processing method | Physics | 36 | Expired |
| US7268948B2 | Optical element and optical scanning device using the same | Physics | 19 | Expired |
| US5444342A | Emergency stop circuit of teaching operation panel | Physics | 17 | Expired |
| US5363177A | Method of stripping a sealing member from a toner cartridge | Physics | 14 | Expired |
| US6603465B1 | Robot controller | Physics | 10 | Expired |
| US5841257A | Circuit for supplying/interrupting power to robots | Physics | 9 | Expired |
| US7898682B2 | Printing apparatus and method and computer readable medium | Physics | 9 | Active |
| US7266329B2 | Toner image carrying member and manufacturing method thereof, and electrophotographic apparatus | Emerging Cross-Sectional Technologies | 8 | Expired |
| US7311277B2 | Shredder apparatus and shredding method | Performing Operations; Transporting | 8 | Expired |
| US10551771B2 | Electrophotographic belt and electrophotographic image forming apparatus | Physics | 7 | Active |
| US5136341A | Image forming apparatus having means for coordinating the input and discharge of copy paper | Physics | 7 | Expired |
| US7080997B2 | Coaxial connector having a switch | Electricity | 6 | Expired |
| US5989381A | Method for adhesive bonding of an overlay film to an acrylic resin board | Performing Operations; Transporting | 4 | Expired |
| US5570899A | Air bag device for protecting an occupant | Performing Operations; Transporting | 4 | Expired |
| US9067419B2 | Recording apparatus | Performing Operations; Transporting | 4 | Active |
| US5177533A | Image forming apparatus | Physics | 4 | Expired |
| US6748188B2 | Rotary developing apparatus | Emerging Cross-Sectional Technologies | 4 | Expired |
| US6985684B2 | Image forming apparatus having preset developer unit replacement positions and a locking device | Physics | 3 | Expired |
| US4975740A | Page entering apparatus for electrophotographic copying machine | Physics | 3 | Expired |
| US5337125A | Toner feeding device | Physics | 3 | Expired |
| US5608299A | Robot apparatus | Performing Operations; Transporting | 3 | Expired |
| US11388331B2 | Image capture apparatus and control method thereof | Physics | 2 | Active |
| US9834001B2 | Recording apparatus | Performing Operations; Transporting | 2 | Active |
| US9150023B2 | Recording apparatus | Performing Operations; Transporting | 2 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.