Yasuhiro Tanaka
263Patents
21h-index
272Co-inventors
93Inventor score
Filing activity: Jan 3, 1980 → Sep 13, 2023
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5651006A | Hierarchical network management system | Emerging Cross-Sectional Technologies | 298 | Expired |
| US5471399A | Network management system and network status display method | Emerging Cross-Sectional Technologies | 133 | Expired |
| US4693571A | Support and drive unit for mirror devices | Performing Operations; Transporting | 77 | Expired |
| US5068849A | Cyclic data transmission method | Electricity | 69 | Expired |
| US8212863B2 | Signal output board and endoscope | Electricity | 65 | Active |
| US5586255A | Network management operation system and network management operation method | Electricity | 52 | Expired |
| US7880794B2 | Imaging device including a plurality of lens elements and a imaging sensor | Physics | 46 | Active |
| US5473471A | Complex lens with diffraction grating | Physics | 44 | Expired |
| US6833667B2 | Organic electroluminescence element and image forming apparatus or portable terminal unit using thereof | Electricity | 41 | Expired |
| US5577223A | Dynamic random access memory (DRAM) with cache and tag | Physics | 39 | Expired |
| US8529075B2 | Antireflection structure, optical unit, and optical device | Physics | 38 | Active |
| US5659258A | Level shifter circuit | Electricity | 38 | Expired |
| US5596521A | Semiconductor memory with built-in cache | Physics | 36 | Expired |
| US5986779A | Multiple focus lens, an optical head apparatus and an optical information recording-reproducing apparatus | Physics | 36 | Expired |
| US4656385A | Housing having grooves therein for mounting a piezoelectric ladder filter | Electricity | 28 | Expired |
| US5737237A | Method and apparatus for data path circuit layout design and memory medium for causing computer to execute data path circuit layout design | Physics | 26 | Expired |
| US5438665A | Direct memory access controller for handling cyclic execution of data transfer in accordance with stored transfer control information | Physics | 23 | Expired |
| US6120191A | Laser diode module | Physics | 22 | Expired |
| US5814806A | Code sheet representing multiple code information and method for producing the same | Physics | 21 | Expired |
| US5043935A | Data transfer system for rearranging data units using intermediate temporary registers | Physics | 21 | Expired |
| US7545583B2 | Optical lens having antireflective structure | Physics | 21 | Expired |
| US6504975B1 | Coupling lens and semiconductor laser module | Electricity | 21 | Expired |
| US6301692A | Method for designing layout of semiconductor integrated circuit, semiconductor integrated circuit obtained by the same method, and method for verifying timing thereof | Physics | 20 | Expired |
| US4323865A | Ladder-type piezoelectric filter | Electricity | 19 | Expired |
| US5636048A | Equalizing amplifier, receiver using the same and preamplifier | Electricity | 19 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.