Inventor · disambiguated record
Yasuyuki Sugi
Also filed as: SUGI YASUYUKI
19 granted patents·7 pending applications·168 citations·filing 1991–2022
94Inventor score
Top patents by PatentIndex Score
26 records- 0189US7411743B2Multi-wavelength lens, and optical system, optical head and optical disc apparatus using the lensHITACHI MAXELL·Filed 2004·Granted Aug 12, 2008·27 cites·7 claims
- 0286US6678096B2Objective lens design method, lens, and optical system, optical head, and optical disc apparatus using the sameHITACHI MAXELL·Filed 2002·Granted Jan 13, 2004·22 cites·18 claims
- 0384US7414796B2Objective lens design method, lens, and optical system, optical head, and optical disc apparatus using the sameHITACHI MAXELL·Filed 2004·Granted Aug 19, 2008·12 cites·25 claims
- 0482US6721242B2Optical detector having three light receiving areasHITACHI LTD·Filed 2002·Granted Apr 13, 2004·14 cites·18 claims
- 0578US6507009B1Optical detector, signal processing circuit and optical information reproduction apparatus thereofHITACHI LTD·Filed 1999·Granted Jan 14, 2003·27 cites·1 claims
- 0674US7446958B2Imaging lens unitHITACHI MAXELL·Filed 2007·Granted Nov 4, 2008·6 cites·28 claims
- 0772US7619836B2Imaging lens unitHITACHI MAXELL·Filed 2008·Granted Nov 17, 2009·5 cites·24 claims
- 0869US5699341AOptical disk apparatus and optical head thereofHITACHI LTD·Filed 1996·Granted Dec 16, 1997·19 cites·22 claims
- 0968US7924685B2Objective lensHITACHI MAXELL·Filed 2009·Granted Apr 12, 2011·1 cites·4 claims
- 1067US5872761AOptical disk apparatus and optical head thereofHITACHI LTD·Filed 1997·Granted Feb 16, 1999·17 cites·25 claims
- 1164US7733578B2Objective lens design method, lens, and optical system, optical head, and optical disc apparatus using the sameHITACHI MAXELL·Filed 2008·Granted Jun 8, 2010·0 cites·1 claims
- 1263US6836378B2Objective lens design method, lens, and optical system, optical head, and optical disc apparatus using the sameHITACHI MAXELL·Filed 2003·Granted Dec 28, 2004·5 cites·16 claims
- 1358US7855940B2Pickup lens with phase compensator and optical pickup apparatus using the sameHITACHI MAXELL·Filed 2009·Granted Dec 21, 2010·0 cites·12 claims
- 1455US7755998B2Optical pickup system, optical head, optical disk apparatus, and objective lensHITACHI MAXELL·Filed 2005·Granted Jul 13, 2010·2 cites·21 claims
- 1553US7606120B2Objective lens, optical head, optical system, and design method for objective lensHITACHI MAXELL·Filed 2006·Granted Oct 20, 2009·0 cites·9 claims
- 1653US2009257338A1Optical pickup objective lens, optical pickup apparatus and optical disc apparatusHITACHI MAXELL·Filed 2009·Application pending·0 cites
- 1751US2024180476A1Muscular relaxation monitoring deviceUNIV FUKUOKA·Filed 2022·Application pending·0 cites
- 1849US7586815B2Pickup lens with phase compensator and optical pickup apparatus using the sameHITACHI MAXELL·Filed 2005·Granted Sep 8, 2009·0 cites·8 claims
- 1949US2007263523A1Objective lens optical system and optical pickup optical systemHITACHI MAXELL·Filed 2007·Application pending·0 cites
- 2048US7787349B2Optical pickup lens and optical pickup apparatusHITACHI MAXELL·Filed 2006·Granted Aug 31, 2010·0 cites·24 claims
- 2148US6965482B2Objective lens design method, lens, and optical system, optical head, and optical disc apparatus using the sameHITACHI MAXELL·Filed 2004·Granted Nov 15, 2005·0 cites·12 claims
- 2247US2008106997A1Objective lens optical systemHITACHI MAXELL·Filed 2007·Application pending·0 cites
- 2346US2008181090A1Objective lens optical system and light beam splitting elementHITACHI MAXELL·Filed 2007·Application pending·0 cites
- 2445US2008019256A1Objective lens and optical pickup systemHITACHI MAXELL·Filed 2007·Application pending·0 cites
- 2545US2006262707A1Objective lens and optical pickup apparatus using the sameHITACHI MAXELL·Filed 2006·Application pending·0 cites
- 2643US5301064ARear focusing type zoom lens systemHITACHI LTD·Filed 1991·Granted Apr 5, 1994·11 cites·11 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →