Inventor · Machida, JP

Noboru Murayama

49Patents
19h-index
36Co-inventors
81Inventor score

Filing activity: Feb 3, 1975 → Nov 21, 2003

Most-cited inventions

PatentTitleAreaCited byStatus
US4953196A Image transmission system Electricity 81 Expired
US6282458A Methods and systems for controlling olfactory stimuli Human Necessities 61 Expired
US5065246A Focusing system and image input apparatus having automatic focusing system which uses digital processing Electricity 59 Expired
US5115479A Image data processing method for compressing an image by approximating curves using a polynomial Physics 47 Expired
US4750209A System for processing an image having both letter and photographic information Electricity 40 Expired
US4562486A Conversion of multilevel digital data to binary data Electricity 39 Expired
US4698691A Halftone image processing method Electricity 38 Expired
US4698778A Method of processing gradation information with variable magnification Electricity 37 Expired
US6101284A Methods and systems for optimizing image data compression involving wavelet transform Electricity 36 Expired
US4974067A Multi-step-digital color image reproducing method and apparatus Electricity 36 Expired
US4991009A Dynamic image transmission system Electricity 33 Expired
USD306589S Tape recorder General 32 Expired
US4996594A Dynamic image transmission system Electricity 27 Expired
US5091976A Image coding method for extracting, segmenting, and coding image contours Physics 25 Expired
US5233671A Image coding method for coding characters using a modified Bezier curve Physics 24 Expired
US4797943A Gradation data processing apparatus Electricity 21 Expired
US4797809A Direct memory access device for multidimensional data transfers Physics 21 Expired
US5099231A Image output system for outputting multi-level information stored as transition points Physics 20 Expired
US4207599A Run length encoding and decoding process and apparatus Electricity 20 Expired
US5642439A Digital image processing method suitable for halftone representation based on dither process Electricity 19 Expired
US4485408A Halftone processing method for digital facsmile apparatus Electricity 19 Expired
US4449151A Solid-state scanning apparatus Electricity 19 Expired
US5007011A Data storage device including data address predicting function Physics 17 Expired
US5416603A Image segmentation using discrete cosine transfer data, and image data transmission apparatus and method using this image segmentation Electricity 16 Expired
US4675831A Method of processing gradation information Electricity 16 Expired

Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.