Inventor · disambiguated record

Kazumasa Ohsumi

Also filed as: OHSUMI KAZUMASA

7 granted patents·268 citations·filing 1997–2004

88Inventor score

Technology areasG02B

Files withENPLAS CORP7

Top patents by PatentIndex Score

7 records

0193US6663254B2Light guide plate, surface light source device and displayENPLAS CORP·Filed 2001·Granted Dec 16, 2003·92 cites·9 claims
0286US6104854ALight regulator and surface light source deviceENPLAS CORP·Filed 1997·Granted Aug 15, 2000·96 cites·10 claims
0383US6612710B2Surface light source device, display and light guide plateENPLAS CORP·Filed 2002·Granted Sep 2, 2003·28 cites·27 claims
0466US6930735B2Surface light source device of side light type and liquid crystal displayENPLAS CORP·Filed 2004·Granted Aug 16, 2005·8 cites·5 claims
0558US6816214B1Guide plate, surface light source device of side light type and liquid crystal displayENPLAS CORP·Filed 1999·Granted Nov 9, 2004·22 cites·34 claims
0649US7133091B2Liquid crystal display panel, liquid crystal display device and composite optical elementENPLAS CORP·Filed 1999·Granted Nov 7, 2006·15 cites·2 claims
0740US6791635B1Surface light source device of side light type and liquid crystal displayENPLAS CORP·Filed 1999·Granted Sep 14, 2004·7 cites·26 claims

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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →