Inventor · disambiguated record
Kouji Arikawa
Also filed as: ARIKAWA KOUJI
8 granted patents·43 citations·filing 1991–2005
84Inventor score
Files withHITACHI LTD8
Top patents by PatentIndex Score
8 records- 0179US6778486B1Laser module, optical head and optical information recording and reproducing apparatusHITACHI LTD·Filed 2000·Granted Aug 17, 2004·17 cites·13 claims
- 0276US6298028B1Optical head and information recording and reproducing apparatus using itHITACHI LTD·Filed 2000·Granted Oct 2, 2001·10 cites·8 claims
- 0365US6967919B2Method and apparatus for optical head and optical information reproducingHITACHI LTD·Filed 2003·Granted Nov 22, 2005·4 cites·13 claims
- 0455US7209416B2Method and apparatus for optical head and optical information reproducingHITACHI LTD·Filed 2005·Granted Apr 24, 2007·0 cites·1 claims
- 0551US6714506B1Method and apparatus for optical head and optical information reproducingHITACHI LTD·Filed 2000·Granted Mar 30, 2004·1 cites·14 claims
- 0651US6396790B2Optical head and information recording and reproducing apparatus using itHITACHI LTD·Filed 2001·Granted May 28, 2002·1 cites·6 claims
- 0748US6947367B2Single means for converting beam widths of plural laser beams with different entry and exit angle with offsetHITACHI LTD·Filed 2001·Granted Sep 20, 2005·2 cites·7 claims
- 0838US5239434AMagnetic head, bonding glass used therefor and magnetic recording and reproducing apparatusHITACHI LTD·Filed 1991·Granted Aug 24, 1993·8 cites·12 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →