P

Inventor

HAMADA YUJI

JP124 patents
⚠️ This page may combine multiple inventors who share the name “HAMADA YUJI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

SANYO ELECTRIC CO

24 patents
US6147451ANov 14, 2000

Organic electrominiscent display device

SANYO ELECTRIC CO239 citations99
US5601903AFeb 11, 1997

Organic electroluminescent elements

SANYO ELECTRIC CO201 citations99
US5432014AJul 11, 1995

Organic electroluminescent element and a method for producing the same

SANYO ELECTRIC CO164 citations99
US5858563AJan 12, 1999

Organic electroluminescent device

SANYO ELECTRIC CO99 citations98
US5674597AOct 7, 1997

Organic electroluminescent elements

SANYO ELECTRIC CO107 citations98
US5529853AJun 25, 1996

Organic electroluminescent element

SANYO ELECTRIC CO112 citations98
US6387546B1May 14, 2002

Organic electroluminescent device

SANYO ELECTRIC CO79 citations97
US5382477AJan 17, 1995

Organic electroluminescent element and process for producing the same

SANYO ELECTRIC CO79 citations96
US5779937AJul 14, 1998

Organic electroluminescent device

SANYO ELECTRIC CO53 citations93
US5716722AFeb 10, 1998

Organic electrolluminescent device

SANYO ELECTRIC CO33 citations93
US5456988AOct 10, 1995

Organic electroluminescent device having improved durability

SANYO ELECTRIC CO36 citations93
US5457357AOct 10, 1995

Organic electroluminescent device having improved durability and producing method thereof

SANYO ELECTRIC CO25 citations93
US5449564ASep 12, 1995

Organic electroluminescent element having improved durability

SANYO ELECTRIC CO42 citations93
US5693428ADec 2, 1997

Organic electroluminescent device

SANYO ELECTRIC CO51 citations92
US4989958AFeb 5, 1991

Focus adjusting apparatus provided with a focus lens member formed of polymer gel substance having electro-reactive deformability

SANYO ELECTRIC CO49 citations92
US7611779B2Nov 3, 2009

Organic electroluminescent device

SANYO ELECTRIC CO20 citations91
US7255938B2Aug 14, 2007

Organic electroluminescent device and organic compound for use in organic electroluminescent device

SANYO ELECTRIC CO11 citations84
US6936962B2Aug 30, 2005

Light-emitting device having a plurality of emission layers

SANYO ELECTRIC CO12 citations84
US7201974B2Apr 10, 2007

Organic electroluminescence element

SANYO ELECTRIC CO9 citations74
US7154219B2Dec 26, 2006

Organic electroluminescence display with adjacent blocks of luminescent layer

SANYO ELECTRIC CO10 citations74
US7098474B2Aug 29, 2006

Organic electroluminescent device having a thin film formed by plasma on a surface of a hole injection layer

SANYO ELECTRIC CO8 citations74
US7083680B2Aug 1, 2006

Sublimation and purification method

SANYO ELECTRIC CO7 citations74
US6232713B1May 15, 2001

Organic electroluminescent apparatus and method of fabricating the same

SANYO ELECTRIC CO8 citations74
US6555253B2Apr 29, 2003

Organic electroluminescent device

SANYO ELECTRIC CO12 citations73

DOW CORNING TORAY SILICONE

7 patents

HAMADA YUJI

7 patents

TORAY SILICONE CO

4 patents

MATSUSHITA ELECTRIC INDUSTRIAL CO LTD

3 patents

MITSUBISHI ELECTRIC CORP

3 patents

TOSHIBA KK

1 patent

DOW CORNING

1 patent

Showing the top 50 of 124 patents by PatentIndex Score.