Hideyuki Matsubara
37Patents
12h-index
39Co-inventors
81Inventor score
Filing activity: Jun 18, 1974 → Feb 1, 2018
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| USD254252S | Loudspeaker | General | 51 | Expired |
| US6993264B2 | Process cartridge and electrophotographic image forming apparatus | Physics | 51 | Expired |
| US7203442B2 | Image forming apparatus, unit mountable thereto and separating member | Physics | 48 | Expired |
| USD254490S | Loudspeaker with grille | General | 42 | Expired |
| US3946212A | Automatic quality control system | Emerging Cross-Sectional Technologies | 40 | Expired |
| US7162176B2 | Process cartridge and electrophotographic image forming apparatus | Physics | 35 | Expired |
| US4401930A | Method of sensing position of movable body and apparatus therefor | Physics | 32 | Expired |
| US7315706B2 | Process cartridge and electrophotographic image forming apparatus | Physics | 30 | Active |
| US7242885B2 | Process cartridge and image forming apparatus | Physics | 23 | Expired |
| USD272343S | Loudspeaker | General | 20 | Expired |
| USD344973S | Copier with document handler and finisher | General | 17 | Expired |
| US7789388B2 | Image forming apparatus and sheet conveying apparatus | Performing Operations; Transporting | 13 | Active |
| USD264208S | Loudspeaker | General | 11 | Expired |
| US9342010B2 | Image heating apparatus | Physics | 10 | Active |
| US7643785B2 | Image heating device capable of changing pressure applied to heating nip | Physics | 8 | Active |
| US4421821A | Corrosion resistant tire rim | Emerging Cross-Sectional Technologies | 8 | Expired |
| US7130557B2 | Process cartridge and electrographic image forming apparatus | Physics | 7 | Expired |
| US6560423B2 | Image forming apparatus comprising communication means for communicating with a memory | Physics | 7 | Expired |
| USD269869S | Loudspeaker | General | 6 | Expired |
| US4015372A | Cam-controlled grinding method | Performing Operations; Transporting | 5 | Expired |
| US4045920A | Cam-controlled grinding machine | Performing Operations; Transporting | 5 | Expired |
| USD269610S | Automobile stereo system multi-channel electronic cross-over network | General | 4 | Expired |
| US9429889B2 | Image heating apparatus | Physics | 3 | Active |
| US4757313A | Positioning and abnormality control device | Physics | 3 | Expired |
| US6885837B2 | Driving force transmitting apparatus and image forming apparatus having driving force transmitting apparatus | Physics | 3 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.