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Rohm Co., Ltd. Patents
Assignee:
Rohm Co., Ltd.
Address:
Koyto, JP
No. of patents:
2548
Patents:












Patent Number Title Of Patent Date Issued
RE41791 Pulse generator provided with a duty-factor limiting function October 5, 2010
In a pulse generator, a sawtooth-shaped wave generator circuit generates a sawtooth-shaped wave by charging and discharging a capacitor. The sawtooth-shaped wave is fed to a comparator that performs pulse-width modulation on it in accordance with the voltage it receives via a termina
D664106 Light emitting diode module July 24, 2012
D663703 Light emitting diode module July 17, 2012
D662903 Light emitting diode module July 3, 2012
D610099 Light emitting semiconductor device February 16, 2010
D608012 Blood testing chip January 12, 2010
D605304 Blood testing chip December 1, 2009
D597972 Light emitting diode module August 11, 2009
D597971 Light emitting diode module August 11, 2009
D597970 Light emitting diode module August 11, 2009
D597969 Light emitting diode module August 11, 2009
D597968 Light emitting diode module August 11, 2009
D596757 Blood testing chip July 21, 2009
D596310 Blood testing chip July 14, 2009
D595861 Blood testing chip July 7, 2009
D595860 Blood testing chip July 7, 2009
D580892 Lead terminals of light emitting diode module November 18, 2008
D578969 Light emitting diode module October 21, 2008
D578084 Light emitting diode module October 7, 2008
D576574 Light emitting diode module September 9, 2008
D576573 Light emitting diode module September 9, 2008
D576572 Light emitting diode module September 9, 2008
D576571 Light emitting diode module September 9, 2008
D573554 Light emitting diode module July 22, 2008
D566059 Light emitting diode module April 8, 2008
D564975 Light receiving module with a shield cover March 25, 2008
D563327 Resin-packaged optical communication module March 4, 2008
D560621 Optical communication module January 29, 2008
D560620 Optical communication module January 29, 2008
D555604 Optical communication module November 20, 2007
D551251 Optical communication module September 18, 2007
D544847 Light emitting diode June 19, 2007
D542232 Photoelectric switch May 8, 2007
D540270 Light emitting diode April 10, 2007
D540269 Package for light emitting diode April 10, 2007
D539240 Light emitting diode March 27, 2007
D538240 Package for light emitting diode March 13, 2007
D536308 Light emitting diode February 6, 2007
D534876 Package for light emitting diode January 9, 2007
D533141 Photoelectric switch December 5, 2006
D532382 Package for light emitting diode November 21, 2006
D531966 Light emitting diode November 14, 2006
D531583 Photoelectric switch November 7, 2006
D529877 Light emitting diode October 10, 2006
D526971 Light emitting diode August 22, 2006
D526970 Light emitting diode August 22, 2006
D524762 Light emitting diode July 11, 2006
D522467 Light emitting diode June 6, 2006
D521950 Light emitting diode May 30, 2006
D521949 Light emitting diode May 30, 2006

 
 
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