Masahiro Yoshida
421Patents
28h-index
501Co-inventors
93Inventor score
Filing activity: Feb 9, 1979 → May 2, 2024
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US6963706B2 | Process cartridge and electrophotographic image forming apparatus | Physics | 140 | Expired |
| US4727516A | Semiconductor memory device having redundancy means | Physics | 70 | Expired |
| US4656610A | Semiconductor memory device having redundancy means | Physics | 68 | Expired |
| US6144364A | Display driving method and apparatus | Physics | 67 | Expired |
| US4564694A | Colorless liquid crystalline compounds | Chemistry; Metallurgy | 61 | Expired |
| US6069609A | Image processor using both dither and error diffusion to produce halftone images with less flicker and patterns | Electricity | 58 | Expired |
| US4810812A | Thiolcarboxylic acid esters | Chemistry; Metallurgy | 55 | Expired |
| US7425518B2 | Lead-free glass material for use in sealing and, sealed article and method for sealing using the same | Chemistry; Metallurgy | 52 | Expired |
| US7522149B2 | Display device and information terminal device | Physics | 52 | Expired |
| US7205988B2 | Display device | Physics | 46 | Expired |
| US6337964B2 | Agitating member, developing apparatus and process cartridge | Physics | 45 | Expired |
| US6139659A | Titanium alloy made brake rotor and its manufacturing method | Mechanical Engineering; Lighting; Heating | 42 | Expired |
| US5242299A | Orthodontic bracket | Human Necessities | 40 | Expired |
| US4955476A | Fastener carrier for the support of screw members | Emerging Cross-Sectional Technologies | 39 | Expired |
| US7545371B2 | Display device and imaging method | Physics | 38 | Active |
| US5115413A | Semiconductor memory device | Physics | 38 | Expired |
| US7463297B2 | Liquid crystal display device provided with an image capturing function | Physics | 38 | Active |
| US4947373A | Dynamic ram | Physics | 38 | Expired |
| US5743518A | Paper stacking apparatus for image reading apparatus and image reading apparatus with paper stacking apparatus | Performing Operations; Transporting | 36 | Expired |
| US4960733A | Inorganic biomaterial and process for producing the same | Chemistry; Metallurgy | 35 | Expired |
| US6128462A | Cleaning member, image forming apparatus provided with a cleaning blade member, and process cartridge detachably attachable on the image forming apparatus | Physics | 33 | Expired |
| US7800594B2 | Display device including function to input information from screen by light | Physics | 33 | Active |
| US5434094A | Method of producing a field effect transistor | Emerging Cross-Sectional Technologies | 32 | Expired |
| US5263858A | Ivory-colored zirconia sintered body, process for its production and its use | Chemistry; Metallurgy | 31 | Expired |
| US4476399A | Stabilized power source parallel operation system | Physics | 30 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.