Inventor · disambiguated record
Koichiro Wakabayashi
Also filed as: WAKABAYASHI KOICHIRO
8 granted patents·4 pending applications·11 citations·filing 1999–2009
78Inventor score
Top patents by PatentIndex Score
12 records- 0164US6876506B1Information recording medium, information recording/reproducing head, and information storage deviceHITACHI MAXELL·Filed 2000·Granted Apr 5, 2005·6 cites·5 claims
- 0258US7855940B2Pickup lens with phase compensator and optical pickup apparatus using the sameHITACHI MAXELL·Filed 2009·Granted Dec 21, 2010·0 cites·12 claims
- 0355US7755998B2Optical pickup system, optical head, optical disk apparatus, and objective lensHITACHI MAXELL·Filed 2005·Granted Jul 13, 2010·2 cites·21 claims
- 0449US7586815B2Pickup lens with phase compensator and optical pickup apparatus using the sameHITACHI MAXELL·Filed 2005·Granted Sep 8, 2009·0 cites·8 claims
- 0548US7787349B2Optical pickup lens and optical pickup apparatusHITACHI MAXELL·Filed 2006·Granted Aug 31, 2010·0 cites·24 claims
- 0647US2008106997A1Objective lens optical systemHITACHI MAXELL·Filed 2007·Application pending·0 cites
- 0746US2008181090A1Objective lens optical system and light beam splitting elementHITACHI MAXELL·Filed 2007·Application pending·0 cites
- 0845US2008019256A1Objective lens and optical pickup systemHITACHI MAXELL·Filed 2007·Application pending·0 cites
- 0945US2006262707A1Objective lens and optical pickup apparatus using the sameHITACHI MAXELL·Filed 2006·Application pending·0 cites
- 1044US6717898B2Optical information reproducing method for reproducing information by generating a signal representing a center of a markHITACHI LTD·Filed 2003·Granted Apr 6, 2004·0 cites·4 claims
- 1143US6577573B2Optical information reproducing method in which either a first edge signal or a second edge signal is selected depending on a length of a mark on an optical information mediumHITACHI LTD·Filed 2002·Granted Jun 10, 2003·0 cites·3 claims
- 1237US6430131B1Optical information reproducing deviceHITACHI LTD·Filed 1999·Granted Aug 6, 2002·3 cites·11 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →