Osamu Yamada
183Patents
23h-index
286Co-inventors
93Inventor score
Filing activity: Aug 27, 1973 → Jul 27, 2022
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5406551A | Method and apparatus for digital signal transmission using orthogonal frequency division multiplexing | Electricity | 241 | Expired |
| US5504821A | Color converting apparatus for performing a three-dimensional color conversion of a colored picture in a color space with a small capacity of memory | Electricity | 145 | Expired |
| US5742296A | Image processing method and apparatus therefor | Electricity | 108 | Expired |
| US6321266A | Input/output apparatus connected to a plurality of host computers via a network | Electricity | 99 | Expired |
| US5865365A | Method of fabricating an electronic circuit device | Electricity | 77 | Expired |
| US5996029A | Information input/output control apparatus and method for indicating which of at least one information terminal device is able to execute a functional operation based on environmental information | Electricity | 75 | Expired |
| US5939789A | Multilayer substrates methods for manufacturing multilayer substrates and electronic devices | Electricity | 63 | Expired |
| US5859956A | Information processing device and information processing method | Electricity | 63 | Expired |
| US5912011A | Solvent system to be enclosed in capsules | Human Necessities | 63 | Expired |
| US5740028A | Information input/output control device and method therefor | Electricity | 60 | Expired |
| US7209803B2 | Article handling system and method and article management system and method | Physics | 58 | Expired |
| US5933252A | Color image processing method and apparatus therefor | Electricity | 53 | Expired |
| US5428465A | Method and apparatus for color conversion | Electricity | 47 | Expired |
| US6177934A | Server device and image processing device | Electricity | 46 | Expired |
| US6580075B2 | Charged particle beam scanning type automatic inspecting apparatus | Electricity | 45 | Expired |
| US5081353A | Combined scanning electron and scanning tunnelling microscope apparatus and method | Emerging Cross-Sectional Technologies | 42 | Expired |
| US5008662A | Remote supervisory and controlling machine | Physics | 42 | Expired |
| US6333788A | Image processing apparatus and method | Physics | 35 | Expired |
| US5489998A | Color image processing apparatus having transmitter and receiver which perform color correction in accordance with a common standard color image and method for same | Electricity | 35 | Expired |
| US5432800A | Methods and apparatuses for transmission and reception of information signals | Electricity | 33 | Expired |
| US7269479B2 | Article transporting robot | Performing Operations; Transporting | 31 | Active |
| US5043554A | Plasma-arc cutting apparatus having means for deflecting plasma arc | Performing Operations; Transporting | 30 | Expired |
| US7433102B2 | Reproduction color prediction apparatus and method | Electricity | 26 | Active |
| US4630271A | Error correction method and apparatus for data broadcasting system | Electricity | 23 | Expired |
| US6667476B2 | Scanning electron microscope | Electricity | 23 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.