Assignee
RICOH COMPANY INC
JP·10 granted patents·228 citations·filing 1991–2007
Top patents by PatentIndex Score
10 records- 0183US5216516AOrthogonal transformation arithmetic unitRICOH COMPANY INC·Filed 1991·Granted Jun 1, 1993·67 cites·8 claims
- 0282US5408344AReflection type liquid crystal display with selective reflecting meansRICOH COMPANY INC·Filed 1994·Granted Apr 18, 1995·60 cites·18 claims
- 0381US7088484B2Optical scanning method and system capable of performing high speed scanning and high resolution, and image forming apparatus having the optical scanning systemRICOH COMPANY INC·Filed 2003·Granted Aug 8, 2006·35 cites·18 claims
- 0477US6944106B2Information recording apparatus for controlling recording power of a recording mediumRICOH COMPANY INC·Filed 2002·Granted Sep 13, 2005·10 cites·10 claims
- 0568US8006083B2Image forming apparatus, authentication method, and recording mediumRICOH COMPANY INC·Filed 2007·Granted Aug 23, 2011·6 cites·7 claims
- 0666USD418862SToner cartridgeRICOH COMPANY INC·Filed 1998·Granted Jan 11, 2000·13 cites·1 claims
- 0758US8045043B2Optical module and imaging deviceRICOH COMPANY INC·Filed 2006·Granted Oct 25, 2011·2 cites·2 claims
- 0852US5717497AImage-data transmitter having function of automatic segmented image codingRICOH COMPANY INC·Filed 1995·Granted Feb 10, 1998·13 cites·8 claims
- 0945US5652443ASensor having a micro-bridge heaterRICOH COMPANY INC·Filed 1995·Granted Jul 29, 1997·17 cites·9 claims
- 1035US5351209AApparatus for converting optical information into electrical information signal, information storage element and method for storing information in the information storage elementRICOH COMPANY INC·Filed 1991·Granted Sep 27, 1994·5 cites·18 claims
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