Inventor · disambiguated record
Shoichi Takasuka
Also filed as: TAKASUKA SHOICHI
12 granted patents·4 pending applications·161 citations·filing 2000–2022
91Inventor score
Files withMATSUSHITA ELECTRIC INDUSTRIAL CO LTD11NUVOTON TECHNOLOGY CORP JAPAN2MATSUSHITA ELECTRONICS IND CO1PANASONIC IP MAN CO LTD1
Top patents by PatentIndex Score
16 records- 0193US6728034B1Diffractive optical element that polarizes light and an optical pickup using the sameMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2000·Granted Apr 27, 2004·40 cites·15 claims
- 0290US6597642B1Photodetector unit, and optical pickup, optical reproduction apparatus, and optical recording apparatus equipped with the sameMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2000·Granted Jul 22, 2003·33 cites·40 claims
- 0385US6747939B2Semiconductor laser device and optical pickup device using the sameMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2001·Granted Jun 8, 2004·21 cites·18 claims
- 0482US10985533B2Semiconductor laser device, semiconductor laser module, and laser light source system for weldingPANASONIC IP MAN CO LTD·Filed 2018·Granted Apr 20, 2021·3 cites·20 claims
- 0581US6501601B1Optical device with diffraction grating having plural grating regionsMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2000·Granted Dec 31, 2002·12 cites·13 claims
- 0674US7064898B1Optoelectronic deviceMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2000·Granted Jun 20, 2006·11 cites·16 claims
- 0774US7035196B2Optical head device and optical recording and reproducing apparatus having lasers aligned in a tangential directionMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2001·Granted Apr 25, 2006·10 cites·19 claims
- 0874US2022285918A1Semiconductor light-emitting element and method of manufacturing the sameNUVOTON TECHNOLOGY CORP JAPAN·Filed 2022·Application pending·0 cites
- 0968US7139235B2Optical element with diffraction grating, semiconductor device, and optical information recording device employing the sameMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2001·Granted Nov 21, 2006·7 cites·16 claims
- 1067US6728035B2Optical device with diffraction grating having plural grating regionsMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2002·Granted Apr 27, 2004·8 cites·11 claims
- 1162US2023021325A1Semiconductor laser device and method of manufacturing the sameNUVOTON TECHNOLOGY CORP JAPAN·Filed 2022·Application pending·0 cites
- 1260US6473248B1Method for manufacturing an optical pickupMATSUSHITA ELECTRONICS IND CO·Filed 2000·Granted Oct 29, 2002·9 cites·11 claims
- 1358US6735024B2Optical pickup with improved optical propertiesMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2002·Granted May 11, 2004·7 cites·31 claims
- 1446US6947213B2Diffractive optical element that polarizes light and an optical pickup using the sameMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2004·Granted Sep 20, 2005·0 cites·9 claims
- 1544US2003053211A1Optical deviceMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2002·Application pending·0 cites
- 1635US2002181384A1Optical head deviceFiled 2001·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →