Inventor · disambiguated record
Koichi Ohtaka
Also filed as: OHTAKA KOICHI
12 granted patents·83 citations·filing 1995–2021
86Inventor score
Top patents by PatentIndex Score
12 records- 0179US5619307AMethod of printing test pattern and apparatus for outputting test patternCANON KK·Filed 1995·Granted Apr 8, 1997·64 cites·16 claims
- 0272US7408688B2Method for driving optical deflecting device array, optical deflecting device array, optical deflecting device, and image projection displaying apparatusRICOH KK·Filed 2005·Granted Aug 5, 2008·2 cites·4 claims
- 0367US7277217B1Optical deflecting device, optical deflecting device manufacturing method, and optical projecting deviceRICOH KK·Filed 2007·Granted Oct 2, 2007·4 cites·8 claims
- 0464US7167290B2Optical deflection deviceRICOH KK·Filed 2004·Granted Jan 23, 2007·9 cites·10 claims
- 0559US8014058B2Method for driving optical deflecting device array, optical deflecting device array, optical deflecting device, and image projection displaying apparatusRICOH CO LTD·Filed 2008·Granted Sep 6, 2011·0 cites·2 claims
- 0659US7607786B2Light deflector, light deflection array, optical system, image forming device, and projection type image display apparatusRICOH KK·Filed 2006·Granted Oct 27, 2009·2 cites·15 claims
- 0758US7777935B2Actuator, and actuator arrayRICOH KK·Filed 2007·Granted Aug 17, 2010·2 cites·6 claims
- 0850US11743658B2Electrostatic acoustic wave generating device and electrostatic speakerUNIV TOHOKU·Filed 2021·Granted Aug 29, 2023·0 cites·6 claims
- 0943US7480090B2Optical deflecting device, optical deflecting device array, method for driving the optical deflecting device and image projection display apparatus using the deviceRICOH KK·Filed 2006·Granted Jan 20, 2009·0 cites·6 claims
- 1041US7349145B2Optical deflection device and image projection display apparatus using the sameRICOH KK·Filed 2005·Granted Mar 25, 2008·0 cites·29 claims
- 1139US7417778B2Light deflector, light deflection array, image forming apparatus, and image projection display apparatusRICOH KK·Filed 2005·Granted Aug 26, 2008·0 cites·6 claims
- 1239US7345823B2Optical system, color information displaying method, optical deflecting device, and image projection displaying apparatusRICOH KK·Filed 2005·Granted Mar 18, 2008·0 cites·9 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →