Inventor · disambiguated record
Yoichi Ohmura
Also filed as: OHMURA YOICHI
11 granted patents·107 citations·filing 2000–2008
90Inventor score
Top patents by PatentIndex Score
11 records- 0186US7034282B2Optical rotary encoderMITSUBISHI ELECTRIC CORP·Filed 2004·Granted Apr 25, 2006·31 cites·22 claims
- 0279US7405392B2Optical rotary encoderMITSUBISHI ELECTRIC CORP·Filed 2005·Granted Jul 29, 2008·10 cites·7 claims
- 0376US6232595B1Position detecting apparatusMITSUBISHI ELECTRIC CORP·Filed 2000·Granted May 15, 2001·19 cites·10 claims
- 0471US7589314B2Optical encoder applying substantially parallel light beams and three periodic optical elementsMITSUBISHI ELECTRIC CORP·Filed 2005·Granted Sep 15, 2009·6 cites·16 claims
- 0562US7470892B2Optical encoderMITSUBISHI ELECTRIC CORP·Filed 2004·Granted Dec 30, 2008·9 cites·22 claims
- 0661US6972402B2Photoelectric rotary encoderMITSUBISHI ELECTRIC CORP·Filed 2003·Granted Dec 6, 2005·8 cites·15 claims
- 0759US8134359B2Magnetic rotational-angle detectorNISHIZAWA HIROSHI·Filed 2008·Granted Mar 13, 2012·4 cites·2 claims
- 0857US7538313B2Optical encoder having a no track portion of an optical scale being placed at a position symmetrical to a light non-transparent portion within an irradiation region of incident lightMITSUBISHI ELECTRIC CORP·Filed 2007·Granted May 26, 2009·2 cites·1 claims
- 0954US6323786B1Absolute-value encoder deviceMITSUBISHI ELECTRIC CORP·Filed 2000·Granted Nov 27, 2001·7 cites·13 claims
- 1053US7285769B2Optical encoder with reduced reflected light error having a light non-transparent portion with inclined surfacesMITSUBISHI ELECTRIC CORP·Filed 2004·Granted Oct 23, 2007·5 cites·7 claims
- 1151US6956200B2Phase-shift photoelectric encoderMITSUBISHI ELECTRIC CORP·Filed 2004·Granted Oct 18, 2005·6 cites·14 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →