Masayuki Tanaka
250Patents
25h-index
301Co-inventors
93Inventor score
Filing activity: Mar 10, 1975 → Apr 20, 2022
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5189410A | Digital cross connect system | Emerging Cross-Sectional Technologies | 155 | Expired |
| US5396496A | Unused time slot detection and selection in a mobile radio communication system | Electricity | 81 | Expired |
| US6738747B1 | Method and apparatus for forming a production plan | Emerging Cross-Sectional Technologies | 72 | Expired |
| US6333547A | Semiconductor device and method of manufacturing the same | Electricity | 68 | Expired |
| US5278835A | Mobile radio communication system | Electricity | 57 | Expired |
| US7999304B2 | Semiconductor device | Electricity | 48 | Active |
| US4856781A | Game ball | Human Necessities | 43 | Expired |
| US6602771B2 | Method for fabricating semiconductor device | Electricity | 41 | Expired |
| US5335355A | Mobile radio communication system utilizing analog and digital modulation | Electricity | 39 | Expired |
| US6784508B2 | Semiconductor device having a gate insulating film structure including an insulating film containing metal, silicon and oxygen and manufacturing method thereof | Electricity | 38 | Expired |
| US5136587A | Digital signal multiplexing apparatus and demultiplexing apparatus | Electricity | 36 | Expired |
| US4732479A | Particle analyzing apparatus | Physics | 35 | Expired |
| US6903422B2 | Semiconductor integrated circuits, fabrication method for the same and semiconductor integrated circuit systems | Electricity | 35 | Expired |
| US5173630A | Control device for ultrasonic motor | Electricity | 34 | Expired |
| US5841659A | Production plan generating method and apparatus | Physics | 33 | Expired |
| US4543390A | Antistatic resinous compositions | Chemistry; Metallurgy | 32 | Expired |
| US5360837A | Semiconductor device-encapsulating epoxy resin composition | Electricity | 30 | Expired |
| US5567749A | Semiconductor device-encapsulating epoxy resin composition | Electricity | 30 | Expired |
| US9362487B2 | Ferroelectric memory and manufacturing method of the same | Electricity | 29 | Active |
| US7372113B2 | Semiconductor device and method of manufacturing the same | Electricity | 29 | Expired |
| US5946663A | Method of planning a production schedule and an apparatus for planning a production schedule | Physics | 26 | Expired |
| US5210752A | Radio tele-communication system using multichannel access scheme | Electricity | 26 | Expired |
| US6326658A | Semiconductor device including an interface layer containing chlorine | Electricity | 26 | Expired |
| US6061640A | Method of and apparatus for extracting abnormal factors in a processing operation | Emerging Cross-Sectional Technologies | 26 | Expired |
| US5919844A | Epoxy resin composition | Electricity | 25 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.