Frontec Incorporated
37Patents
0Active
37Granted
37Portfolio score
Filing activity: May 27, 1993 → Feb 8, 1999
Most-cited patents
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5870071A | LCD gate line drive circuit | Physics | 294 | Expired |
| US5801398A | Field effect transistor | Electricity | 68 | Expired |
| US5998230A | Method for making liquid crystal display device with reduced mask steps | Physics | 51 | Expired |
| US5497146A | Matrix wiring substrates | Emerging Cross-Sectional Technologies | 47 | Expired |
| US6035871A | Apparatus for producing semiconductors and other devices and cleaning apparatus | Emerging Cross-Sectional Technologies | 39 | Expired |
| US5609737A | Film manufacturing method using single reaction chamber for chemical-vapor deposition and sputtering | Emerging Cross-Sectional Technologies | 32 | Expired |
| US6011530A | Liquid crystal display | Physics | 28 | Expired |
| US5714407A | Etching agent, electronic device and method of manufacturing the device | Chemistry; Metallurgy | 28 | Expired |
| US5983909A | Cleaning method and apparatus for the same | Emerging Cross-Sectional Technologies | 25 | Expired |
| US5982462A | Inverse stagger or planar type thin-film transistor device and liquid-crystal display apparatus having floating gate electrode which is capacitively coupled with one or more input electrodes | Electricity | 25 | Expired |
| US6148762A | Plasma processing apparatus | Emerging Cross-Sectional Technologies | 24 | Expired |
| US5550091A | Method of sputtering a silicon nitride film | Electricity | 23 | Expired |
| US6137557A | Liquid crystal display device | Physics | 23 | Expired |
| US5605576A | High frequency magnetron plasma apparatus | Electricity | 22 | Expired |
| US5726077A | Method of producing an electro-optical device | Electricity | 21 | Expired |
| US6211854A | Display apparatus and driving method therefor | Physics | 21 | Expired |
| US5888357A | Apparatus and method for producing ionic water and system and method for producing electrolytic ionic water | Chemistry; Metallurgy | 21 | Expired |
| US5953092A | Liquid crystal device with split pixel electrodes and with intermediate electrodes used for bisecting each of the pixel regions | Physics | 20 | Expired |
| US5978058A | Thin film transistor liquid crystal display with a silicide layer formed inside a contact hole and fabricating process therefor | Physics | 19 | Expired |
| US6121770A | Magnetic sensor using magnetic impedance of magnetic wire within biasing coil | Physics | 13 | Expired |
| US6155202A | Plasma processing apparatus, matching box, and feeder | Electricity | 12 | Expired |
| US5824572A | Method of manufacturing thin film transistor | Electricity | 11 | Expired |
| US5550484A | Apparatus and method for inspecting thin film transistor | Physics | 11 | Expired |
| US6052163A | Thin film transistor and liquid crystal display device | Physics | 10 | Expired |
| US5573958A | Method of fabricating a thin film transistor wherein the gate terminal is formed after the gate insulator | Electricity | 10 | Expired |
Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.