Masatoshi Itoh
70Patents
14h-index
70Co-inventors
87Inventor score
Filing activity: Oct 22, 1979 → Oct 31, 2023
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US6072481A | Electronic catalog data creating and/or displaying apparatus and method | Emerging Cross-Sectional Technologies | 71 | Expired |
| US5097282A | Automatic focusing apparatus | Electricity | 54 | Expired |
| US5225940A | In-focus detection apparatus using video signal | Electricity | 53 | Expired |
| US4935763A | Camera having a zoom lens unit | Physics | 49 | Expired |
| US4344680A | Photographic devices for controlling flash photography | Physics | 33 | Expired |
| US4812912A | Focus detection condition display device for camera | Electricity | 30 | Expired |
| US5331961A | Scintillation probe and intra-tube cavity insertable radioactive ray detecting apparatus | Physics | 27 | Expired |
| US9335709B2 | Image forming apparatus setting a control target temperature of a fixing portion, fixing an image on recording material, depending on a calculated suppliable electric power suppliable to a heater of the fixing portion | Physics | 26 | Active |
| US6633135B2 | Apparatus and method for evaluating organic EL display | Emerging Cross-Sectional Technologies | 25 | Expired |
| US9665048B2 | Image forming apparatus having a temperature setting portion to control a target temperature | Physics | 24 | Active |
| US4816860A | Camera | Electricity | 23 | Expired |
| US5204710A | Camera having zoom lens system | Physics | 22 | Expired |
| US5001507A | Focus detection condition display device for camera | Electricity | 18 | Expired |
| US9823617B2 | Power supply apparatus and image forming apparatus | Emerging Cross-Sectional Technologies | 14 | Active |
| US4422743A | Exposure system for a camera | Physics | 13 | Expired |
| US4994842A | Camera having a converter-attachable zoom lens | Physics | 12 | Expired |
| US5157432A | Camera having a zoom lens unit | Physics | 12 | Expired |
| US4847650A | Camera | Electricity | 10 | Expired |
| US4843456A | White balance adjusting device for a color video camera | Electricity | 8 | Expired |
| US7199602B2 | Inspection method and inspection device for display device and active matrix substrate used for display device | Physics | 7 | Expired |
| US4354751A | Exposure system for a camera | Physics | 7 | Expired |
| US6249653A | Image recording device having a ground connector | Electricity | 7 | Expired |
| US5398095A | Automatic zooming device | Physics | 7 | Expired |
| US6891532B2 | Apparatus and method for inspecting picture elements of an active matrix type display board | Physics | 6 | Expired |
| US5140360A | Camera having a zoom lens system | Physics | 6 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.