Yuji Okada
55Patents
10h-index
64Co-inventors
81Inventor score
Filing activity: Oct 4, 1985 → Feb 1, 2024
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US6960878B2 | Light emitting diode, optical semiconductor element and epoxy resin composition suitable for optical semiconductor element and production methods therefor | Electricity | 87 | Expired |
| US5999766A | Image processing apparatus with user authorization mechanism | Electricity | 78 | Expired |
| US5718279A | Method for laminate forming a sand mould and a method for producing a casting using the same | Emerging Cross-Sectional Technologies | 49 | Expired |
| US7342357B2 | Light emitting diode, optical semiconductor device, epoxy resin composition suited for optical semiconductor device, and method for manufacturing the same | Electricity | 47 | Expired |
| US6661933B1 | Apparatus and method for image data processing | Electricity | 30 | Expired |
| US7112636B2 | Epoxy resin composition | Chemistry; Metallurgy | 14 | Expired |
| US6792547B1 | Digital integrated apparatus, image input-output system, and user authentication method | Electricity | 13 | Expired |
| US7035900B2 | Business machine network terminal and business machine network information management system | Electricity | 13 | Expired |
| US6903833B1 | Image data distribution system and the method thereof | Electricity | 11 | Expired |
| US6636649B1 | Image processing apparatus and the method of correcting the inclination | Electricity | 11 | Expired |
| US6278513A | Image reader and digital copier with variable secondary scanning speed of an image scanning unit | Electricity | 9 | Expired |
| US5855237A | Casting method with improved resin core removing step and apparatus for performing the method | Mechanical Engineering; Lighting; Heating | 8 | Expired |
| US4753990A | Method for producing a grafted ethylene-acrylic acid ester copolymer | Emerging Cross-Sectional Technologies | 7 | Expired |
| US5350438A | Method and apparatus for removing plated metal from steel sheet scraps | Emerging Cross-Sectional Technologies | 6 | Expired |
| US5871561A | Method of treating dusts containing oxides | Emerging Cross-Sectional Technologies | 6 | Expired |
| US7849406B2 | Apparatus and method for authoring | Physics | 6 | Expired |
| US4658001A | Peroxycarbonate group-containing copolymer and method for manufacture thereof | Chemistry; Metallurgy | 5 | Expired |
| US6789962B2 | Printing apparatus and communication apparatus | Performing Operations; Transporting | 5 | Expired |
| US7113297B1 | Image inputting and outputting apparatus | Emerging Cross-Sectional Technologies | 4 | Expired |
| US6984079B2 | Printing system, printer, data output device, printing method | Physics | 4 | Expired |
| US6604218B1 | Data encoding apparatus and data decoding apparatus | Electricity | 4 | Expired |
| US9863794B2 | Display device | Physics | 4 | Active |
| US7956469B2 | Light emitting device and method of manufacturing the same | Electricity | 4 | Active |
| US10960305B2 | Server, control method therefor, computer-readable recording medium, and game system | Human Necessities | 3 | Active |
| US6083294A | Method of treating dust exhausted from melting furnace | Emerging Cross-Sectional Technologies | 3 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.