Assignee
PHOTRAN CORP
US·11 granted patents·668 citations·filing 1992–1996
Top patents by PatentIndex Score
11 records- 0197US5337191ABroad band pass filter including metal layers and dielectric layers of alternating refractive indexPHOTRAN CORP·Filed 1993·Granted Aug 9, 1994·243 cites·16 claims
- 0288US5528319APrivacy filter for a display devicePHOTRAN CORP·Filed 1994·Granted Jun 18, 1996·88 cites·14 claims
- 0388US5328585ALinear planar-magnetron sputtering apparatus with reciprocating magnet-arrayPHOTRAN CORP·Filed 1992·Granted Jul 12, 1994·75 cites·9 claims
- 0483US5679131AMethod for producing titanium oxide from ore concentratesPHOTRAN CORP·Filed 1996·Granted Oct 21, 1997·43 cites·19 claims
- 0572US5508091ATransparent electrodes for liquid cells and liquid crystal displaysPHOTRAN CORP·Filed 1993·Granted Apr 16, 1996·38 cites·3 claims
- 0668US5421979ALoad-lock drum-type coating apparatusPHOTRAN CORP·Filed 1993·Granted Jun 6, 1995·48 cites·4 claims
- 0767US5776594ATransparent electrodes for liquid cells and liquid crystal displaysPHOTRAN CORP·Filed 1996·Granted Jul 7, 1998·34 cites·3 claims
- 0856US5512390ALight-weight electrical-storage batteryPHOTRAN CORP·Filed 1994·Granted Apr 30, 1996·31 cites·9 claims
- 0955US5541770ALight attenuating anti-reflection coating including electrically conductive layersPHOTRAN CORP·Filed 1994·Granted Jul 30, 1996·19 cites·2 claims
- 1053US5556694AFaceplate for a touch-sensitive video display unitPHOTRAN CORP·Filed 1994·Granted Sep 17, 1996·24 cites·14 claims
- 1151US5777863ALow-frequency modulated current mode power supply for magnetron sputtering cathodesPHOTRAN CORP·Filed 1996·Granted Jul 7, 1998·25 cites·10 claims
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