Masataka Itoh
36Patents
13h-index
41Co-inventors
81Inventor score
Filing activity: Feb 15, 1984 → Jun 24, 2019
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US6259138A | Semiconductor device having multilayered gate electrode and impurity regions overlapping therewith | Electricity | 128 | Expired |
| US5585817A | Apparatus and a method for inputting/outputting an image | Electricity | 65 | Expired |
| US4644406A | Large scale contact type image reading unit using two-dimensional sensor array | Electricity | 48 | Expired |
| US6238100A | Optical module and a method for fabricating a same | Physics | 47 | Expired |
| US6492681B2 | Semiconductor device | Electricity | 29 | Expired |
| US6393171B2 | Optical module for optical transmission and manufacturing process therefor | Physics | 28 | Expired |
| US6477284B1 | Photo-electric combined substrate, optical waveguide and manufacturing process therefor | Electricity | 28 | Expired |
| US5717803A | Coupling structure of optical fiber and optical semiconductor element | Physics | 22 | Expired |
| US6558993B2 | Semiconductor device and method of manufacturing the same | Electricity | 17 | Expired |
| US5275970A | Method of forming bonding bumps by punching a metal ribbon | Emerging Cross-Sectional Technologies | 16 | Expired |
| US5258629A | Light-emitting diode print head with staggered electrodes | Emerging Cross-Sectional Technologies | 15 | Expired |
| US6115515A | Optical device mounting board | Physics | 15 | Expired |
| US4597012A | Two-dimensional image read-out sensor device | Electricity | 14 | Expired |
| US5573170A | Bump forming apparatus | Electricity | 13 | Expired |
| US4729122A | Magneto-optical reproducing head of a high light utilization rate | Physics | 12 | Expired |
| US4942481A | Contact-type image sensor | Electricity | 12 | Expired |
| US5661831A | Optical module having self-aligned optical element and optical wave-guide by means of bumps on rectangular pads and method of assembling thereof | Emerging Cross-Sectional Technologies | 10 | Expired |
| US4541015A | Two-dimensional image readout device | Electricity | 10 | Expired |
| US4759951A | Heat-treating Cd-containing photoelectric conversion film in the presence of a cadmium halide | Emerging Cross-Sectional Technologies | 9 | Expired |
| US6784495B2 | Semiconductor device | Electricity | 9 | Expired |
| US5004905A | Contact type image sensor with a fiber array coated in part with an absorber | Electricity | 9 | Expired |
| US5908565A | Line plasma vapor phase deposition apparatus and method | Electricity | 8 | Expired |
| USD406398S | Clip for a wig or hairpiece | General | 8 | Expired |
| US6298861A | Wig stopper and wig stopper fitting sheet | Human Necessities | 7 | Expired |
| USD414002S | Clip for a wig or hairpiece | General | 7 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.