Yoshifumi Arai
31Patents
11h-index
15Co-inventors
72Inventor score
Filing activity: Jan 21, 1992 → Jul 17, 2014
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5929906A | Color correcting method and apparatus | Electricity | 44 | Expired |
| US5771311A | Method and apparatus for correction of color shifts due to illuminant changes | Electricity | 28 | Expired |
| US5546195A | Apparatus for reproducing color images | Electricity | 25 | Expired |
| US5559604A | Color matching apparatus for reproducing the same color under different illuminants | Electricity | 21 | Expired |
| US5386496A | Method and device for nonlinear transformation of colour information by neural network | Electricity | 21 | Expired |
| US7652789B2 | Production of color conversion profile for printing | Electricity | 17 | Expired |
| US7706604B2 | Production of color conversion profile for printing | Electricity | 15 | Expired |
| US7345787B2 | Accuracy of color conversion profile | Electricity | 13 | Active |
| US7952757B2 | Production of color conversion profile for printing | Electricity | 12 | Active |
| US7450267B2 | Accuracy of color conversion profile | Electricity | 11 | Active |
| US7414751B2 | Printer, print control program, medium having print control program recorded therein, and printing method | Physics | 11 | Expired |
| US7417762B2 | Method for forming color conversion table, apparatus for forming color conversion table, program for forming color conversion table and printing apparatus | Electricity | 9 | Expired |
| US7369272B2 | Accuracy of color conversion profile | Electricity | 9 | Active |
| US7961352B2 | Printing control according to combinations of color materials | Electricity | 8 | Active |
| US7471415B2 | System for offering color conversion profile capable of color conversion with high accuracy | Electricity | 7 | Active |
| US7355748B2 | Color matching server, color matching client, print control server, print control client, print control system, print control process, medium on which print control program is stored profile providing server and profile demanding client | Electricity | 7 | Expired |
| US7388688B2 | Printing device, printing method, and printing control program product | Electricity | 7 | Active |
| US7612914B2 | Production of color space conversion profile based on correspondence of grid points and ink amounts | Electricity | 6 | Active |
| US7542167B2 | Smoothing lattice positions | Electricity | 6 | Active |
| US7527345B2 | Print controller, method and program for print control, color conversion table, and method for determining ink quantity | Performing Operations; Transporting | 5 | Expired |
| US7605943B2 | Production of a color conversion profile utilizing comparison of spectral reflectance data and comparative colors | Electricity | 5 | Active |
| US7515304B2 | Smoothing of dispositions of lattice points for creation of profile | Electricity | 5 | Active |
| US7672016B2 | Predicting graininess index on printing medium when printing according to any ink quantity set based on a graininess profile | Electricity | 5 | Active |
| US7602525B2 | Method of producing color conversion table, image processing device, image processing method, program and recording medium | Electricity | 4 | Expired |
| US9921201B2 | Calibration curve creating method and calibration curve creation apparatus | Physics | 3 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.