Inventor · disambiguated record
Izumi Takaya
Also filed as: TAKAYA IZUMI
8 granted patents·124 citations·filing 2001–2007
88Inventor score
Files withUSHIO ELECTRIC INC8
Top patents by PatentIndex Score
8 records- 0189US6597118B2High-pressure mercury lamp luminescent device and means of ignitionUSHIO ELECTRIC INC·Filed 2001·Granted Jul 22, 2003·34 cites·10 claims
- 0279US7239090B2Discharge lamp lighting apparatusUSHIO ELECTRIC INC·Filed 2006·Granted Jul 3, 2007·9 cites·14 claims
- 0377US6661184B2Light source deviceUSHIO ELECTRIC INC·Filed 2002·Granted Dec 9, 2003·21 cites·15 claims
- 0473US6552502B2Light source deviceUSHIO ELECTRIC INC·Filed 2002·Granted Apr 22, 2003·20 cites·6 claims
- 0572US7439691B2High pressure discharge lamp lighting deviceUSHIO ELECTRIC INC·Filed 2007·Granted Oct 21, 2008·6 cites·8 claims
- 0671US6734643B2Light source deviceUSHIO ELECTRIC INC·Filed 2002·Granted May 11, 2004·17 cites·19 claims
- 0769US6946807B2Lamp lighting apparatus for a discharge lampUSHIO ELECTRIC INC·Filed 2003·Granted Sep 20, 2005·13 cites·6 claims
- 0851US7531965B2Discharge centering lamp lighting deviceUSHIO ELECTRIC INC·Filed 2006·Granted May 12, 2009·4 cites·12 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →