Panasonic Technologies, Inc.
94Patents
0Active
94Granted
41Portfolio score
Filing activity: Feb 28, 1992 → Mar 31, 1999
Most-cited patents
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5883677A | Method and apparatus for managing multiple outside video service providers | Electricity | 304 | Expired |
| US5528701A | Trie based method for indexing handwritten databases | Physics | 221 | Expired |
| US5768423A | Trie structure based method and apparatus for indexing and searching handwritten databases with dynamic search sequencing | Physics | 219 | Expired |
| US5598523A | Method and system for displayed menu activation using a matching distinctive arrangement of keypad actuators | Electricity | 210 | Expired |
| US5500794A | Distribution system and method for menu-driven user interface | Emerging Cross-Sectional Technologies | 185 | Expired |
| US5710916A | Method and apparatus for similarity matching of handwritten data objects | Emerging Cross-Sectional Technologies | 166 | Expired |
| US5452291A | Combination brouter and cluster controller | Emerging Cross-Sectional Technologies | 166 | Expired |
| US5786560A | 3-dimensional micromachining with femtosecond laser pulses | Chemistry; Metallurgy | 165 | Expired |
| US5706435A | System for maintaining data coherency in cache memory by periodically broadcasting a single invalidation report from server to clients | Physics | 158 | Expired |
| US5754308A | System and method for archiving digital versions of documents and for generating quality printed documents therefrom | Electricity | 121 | Expired |
| US5485630A | Audio/video distribution system | Electricity | 114 | Expired |
| US5586200A | Segmentation based image compression system | Physics | 111 | Expired |
| US6275471A | Method for reliable real-time multimedia streaming | Electricity | 108 | Expired |
| US5592625A | Apparatus for providing shared virtual memory among interconnected computer nodes with minimal processor involvement | Electricity | 100 | Expired |
| US5748807A | Method and means for enhancing optical character recognition of printed documents | Physics | 97 | Expired |
| US5522045A | Method for updating value in distributed shared virtual memory among interconnected computer nodes having page table with minimal processor involvement | Electricity | 96 | Expired |
| US5802554A | Method and system for reducing memory access latency by providing fine grain direct access to flash memory concurrent with a block transfer therefrom | Physics | 95 | Expired |
| US5493670A | Adaptive disk spin-down method for managing the power distributed to a disk drive in a laptop computer | Emerging Cross-Sectional Technologies | 88 | Expired |
| US5481733A | Method for managing the power distributed to a disk drive in a laptop computer | Emerging Cross-Sectional Technologies | 85 | Expired |
| US5524240A | Method and apparatus for storage and retrieval of handwritten information | Emerging Cross-Sectional Technologies | 85 | Expired |
| US5587742A | Flexible parallel processing architecture for video resizing | Electricity | 78 | Expired |
| US5617508A | Speech detection device for the detection of speech end points based on variance of frequency band limited energy | Physics | 73 | Expired |
| US6134369A | Compact optical waveguide | Physics | 66 | Expired |
| US5809498A | Method of locating a penstroke sequence in a computer | Emerging Cross-Sectional Technologies | 64 | Expired |
| US5256360A | Method of manufacturing a precision micro-filter | Emerging Cross-Sectional Technologies | 62 | Expired |
Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.