Inventor · disambiguated record
Tohru Hotta
Also filed as: HOTTA TOHRU
33 granted patents·5 pending applications·108 citations·filing 1988–2012
95Inventor score
Files withSANYO ELECTRIC CO16HOTTA TOHRU13SANKYO SEIKI SEISAKUSHO KK4KAWASAKI RYOICHI2AGENCY IND SCIENCE TECHN1
Top patents by PatentIndex Score
38 records- 0193US8363526B2Optical pickup apparatusSANYO ELECTRIC CO·Filed 2010·Granted Jan 29, 2013·27 cites·4 claims
- 0281US4929513APreform wire for a carbon fiber reinforced aluminum composite material and a method for manufacturing the sameAGENCY IND SCIENCE TECHN·Filed 1988·Granted May 29, 1990·33 cites·15 claims
- 0373US8081553B2Optical pickup apparatusHOTTA TOHRU·Filed 2008·Granted Dec 20, 2011·2 cites·26 claims
- 0473US6584061B2Optical pick-up deviceSANKYO SEIKI SEISAKUSHO KK·Filed 2000·Granted Jun 24, 2003·10 cites·7 claims
- 0573US6369963B1Optical pickup apparatusSANKYO SEIKI SEISAKUSHO KK·Filed 2000·Granted Apr 9, 2002·10 cites·17 claims
- 0670US8184519B2Optical pickup apparatusHOTTA TOHRU·Filed 2009·Granted May 22, 2012·1 cites·8 claims
- 0768US8154978B2Optical pickup apparatusHOTTA TOHRU·Filed 2008·Granted Apr 10, 2012·1 cites·4 claims
- 0864US8369193B2Optical pickup apparatus and manufacturing method of optical pickup apparatusSANYO ELECTRIC CO·Filed 2010·Granted Feb 5, 2013·2 cites·14 claims
- 0963US8339922B2Optical pickup apparatusHOTTA TOHRU·Filed 2009·Granted Dec 25, 2012·1 cites·6 claims
- 1063US8223614B2Method of manufacturing synthetic resin lens, method of manufacturing reformed synthetic resin material and optical pickup apparatusHOTTA TOHRU·Filed 2009·Granted Jul 17, 2012·0 cites·24 claims
- 1162US7898929B2Objective lens, and method of manufacturing the same and optical pickup apparatusSANYO ELECTRIC CO·Filed 2008·Granted Mar 1, 2011·0 cites·18 claims
- 1258US7796475B2Optical pickup apparatusSANYO ELECTRIC CO·Filed 2008·Granted Sep 14, 2010·0 cites·10 claims
- 1358US6522619B2Optical pick-up device having a plurality of light sources with different calorific values and method of manufacturing the sameSANKYO SEIKI SEISAKUSHO KK·Filed 2000·Granted Feb 18, 2003·4 cites·8 claims
- 1457US7957234B2Optical pickup apparatusSANYO ELECTRIC CO·Filed 2009·Granted Jun 7, 2011·0 cites·6 claims
- 1557US7952980B2Optical pickup apparatusSANYO ELECTRIC CO·Filed 2009·Granted May 31, 2011·0 cites·6 claims
- 1657US7898910B2Optical pickup apparatusSANYO ELECTRIC CO·Filed 2008·Granted Mar 1, 2011·0 cites·14 claims
- 1757US6798819B1Optical pickup apparatus and method of manufacturing the sameSANKYO SEIKI SEISAKUSHO KK·Filed 2000·Granted Sep 28, 2004·3 cites·7 claims
- 1856US8385180B2Optical pickup apparatusSANYO ELECTRIC CO·Filed 2009·Granted Feb 26, 2013·0 cites·6 claims
- 1955US8045428B2Optical pickup apparatusSANYO ELECTRIC CO·Filed 2008·Granted Oct 25, 2011·0 cites·3 claims
- 2053US8305868B2Optical pickup apparatusHOTTA TOHRU·Filed 2008·Granted Nov 6, 2012·0 cites·3 claims
- 2153US8213286B2Photodetector and optical pickup apparatus including the sameHOTTA TOHRU·Filed 2008·Granted Jul 3, 2012·0 cites·2 claims
- 2253US2009245073A1Optical pickup apparatusSANYO ELECTRIC CO·Filed 2009·Application pending·0 cites
- 2352US8179770B2Optical pickup apparatusHOTTA TOHRU·Filed 2008·Granted May 15, 2012·0 cites·16 claims
- 2451US8363533B2Optical pickup apparatusSANYO ELECTRIC CO·Filed 2012·Granted Jan 29, 2013·0 cites·1 claims
- 2551US2012201109A1Optical Pickup ApparatusHOTTA TOHRU·Filed 2012·Application pending·0 cites
- 2650US8427921B2Light emitting device, optical pickup apparatus and method for manufacturing the sameKAWASAKI RYOICHI·Filed 2012·Granted Apr 23, 2013·0 cites·5 claims
- 2749US2011170396A1Light emitting device, optical pickup apparatus and method for manufacturing the sameSANYO ELECTRIC CO·Filed 2011·Application pending·0 cites
- 2848US5049419AMethod for manufacturing a precursor wire for a carbon-fiber-reinforced metal composite materialTORAY INDUSTRIES·Filed 1990·Granted Sep 17, 1991·14 cites·9 claims
- 2946US7672202B2Optical pickup apparatusSANYO ELECTRIC CO·Filed 2006·Granted Mar 2, 2010·0 cites·7 claims
- 3043US8264939B2Optical pickup apparatusHOTTA TOHRU·Filed 2010·Granted Sep 11, 2012·0 cites·4 claims
- 3142US8165003B2Optical pickup deviceHOTTA TOHRU·Filed 2006·Granted Apr 24, 2012·0 cites·9 claims
- 3241US8345529B2Optical pickup apparatus with astigmatism correcting collimating lensSANYO ELECTRIC CO·Filed 2011·Granted Jan 1, 2013·0 cites·10 claims
- 3340US8165002B2Optical pickup apparatus and objective lensKAWASAKI RYOICHI·Filed 2010·Granted Apr 24, 2012·0 cites·14 claims
- 3439US8427924B2Optical pickup apparatusHOTTA TOHRU·Filed 2010·Granted Apr 23, 2013·0 cites·5 claims
- 3539US2011235494A1Optical Pickup ApparatusSANYO ELECTRIC CO·Filed 2010·Application pending·0 cites
- 3639US2011249545A1Objective Lens and Optical Pickup ApparatusSANYO OPTEC DESIGN CO LTD·Filed 2010·Application pending·0 cites
- 3738US8203926B2Optical pickup apparatusHOTTA TOHRU·Filed 2010·Granted Jun 19, 2012·0 cites·4 claims
- 3837US7554751B2Lens and optical pickup deviceSANYO ELECTRIC CO·Filed 2006·Granted Jun 30, 2009·0 cites·1 claims
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