Inventor · disambiguated record
Hidekazu Totsuka
Also filed as: TOTSUKA HIDEKAZU
6 granted patents·6 pending applications·107 citations·filing 1995–2021
84Inventor score
Files withKONICA MINOLTA HOLDINGS INC3MITSUBISHI ELECTRIC CORP3KONICA MINOLTA OPTO INC2KONISHIROKU PHOTO IND2KONICA MINOLTA INC1
Top patents by PatentIndex Score
12 records- 0177US6747812B2Objective lens for optical pick-up apparatus and optical pick-up apparatusKONISHIROKU PHOTO IND·Filed 2002·Granted Jun 8, 2004·12 cites·62 claims
- 0275US7463568B2Objective optical element and optical pickup apparatusKONICA MINOLTA HOLDINGS INC·Filed 2007·Granted Dec 9, 2008·2 cites·38 claims
- 0374US5650697AMotor unit, motor drive unit, fan unit and method of controlling the motor drive unitMITSUBISHI ELECTRIC CORP·Filed 1995·Granted Jul 22, 1997·48 cites·24 claims
- 0465US6856471B2Objective optical element, optical pick-up apparatus, and optical information recording reproducing apparatusKONISHIROKU PHOTO IND·Filed 2003·Granted Feb 15, 2005·6 cites·87 claims
- 0561US2008259767A1Objective optical element and optical pickup apparatusKONICA MINOLTA HOLDINGS INC·Filed 2008·Application pending·0 cites
- 0651US2011199882A1Objective Lens and Optical Pickup DeviceTOTSUKA HIDEKAZU·Filed 2009·Application pending·0 cites
- 0749US5959428AStarting control unit for a refrigeration machineMITSUBISHI ELECTRIC CORP·Filed 1997·Granted Sep 28, 1999·18 cites·17 claims
- 0848US5642857AControl apparatus for multi-air-conditionerMITSUBISHI ELECTRIC CORP·Filed 1996·Granted Jul 1, 1997·21 cites·20 claims
- 0945US2006077862A1Objective lens and optical pickup apparatusKONICA MINOLTA OPTO INC·Filed 2005·Application pending·0 cites
- 1045US2004085662A1Objective optical element and optical pickup apparatusKONICA MINOLTA HOLDINGS INC·Filed 2003·Application pending·0 cites
- 1142US2005007931A1Optical pickup deviceKONICA MINOLTA OPTO INC·Filed 2004·Application pending·0 cites
- 1241US2021356694A1Imaging optical system, lens unit, and imaging deviceKONICA MINOLTA INC·Filed 2021·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →