P

Inventor

ASADA JUNICHI

JP39 patents
⚠️ This page may combine multiple inventors who share the name “ASADA JUNICHI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

MATSUSHITA ELECTRIC INDUSTRIAL CO LTD

22 patents
US5343038AAug 30, 1994

Scanning laser microscope with photo coupling and detecting unit

MATSUSHITA ELECTRIC INDUSTRIAL CO LTD81 citations96
US5200939AApr 6, 1993

Optical head apparatus including a waveguide layer with concentric or spiral periodic structure

MATSUSHITA ELECTRIC INDUSTRIAL CO LTD73 citations95
US5307184AApr 26, 1994

Exposure apparatus

MATSUSHITA ELECTRIC INDUSTRIAL CO LTD37 citations93
US5181265AJan 19, 1993

Optical coupling apparatus for introducing and coupling an incident light into a wave guide

MATSUSHITA ELECTRIC INDUSTRIAL CO LTD25 citations93
US6618343B1Sep 9, 2003

Optical information processor and optical element

MATSUSHITA ELECTRIC INDUSTRIAL CO LTD20 citations92
US6496453B2Dec 17, 2002

Optical pickup

MATSUSHITA ELECTRIC INDUSTRIAL CO LTD33 citations92
US5193130AMar 9, 1993

Light deflecting device

MATSUSHITA ELECTRIC INDUSTRIAL CO LTD23 citations92
US4989954AFeb 5, 1991

Projection type liquid cyrstal display device

MATSUSHITA ELECTRIC INDUSTRIAL CO LTD24 citations92
US6594042B2Jul 15, 2003

Optical element, optical pickup, information recording and reproducing method, and polarizing hologram

MATSUSHITA ELECTRIC INDUSTRIAL CO LTD11 citations74
US5745221AApr 28, 1998

Exposure equipment

MATSUSHITA ELECTRIC INDUSTRIAL CO LTD10 citations74
US5684900ANov 4, 1997

Wavelength locking device, beam collimating device, and optical disk apparatus

MATSUSHITA ELECTRIC INDUSTRIAL CO LTD15 citations74
US5159650AOct 27, 1992

Optical disk apparatus for recording and reproducing ultra-high density signals

MATSUSHITA ELECTRIC INDUSTRIAL CO LTD11 citations74
US5142394AAug 25, 1992

Twisted nematic polarizing element with a concentric circle orientation surface and optical head device incorporating the same

MATSUSHITA ELECTRIC INDUSTRIAL CO LTD7 citations74
US6888787B2May 3, 2005

Optical information processor and optical element

MATSUSHITA ELECTRIC INDUSTRIAL CO LTD4 citations73
US6674709B1Jan 6, 2004

Optical head apparatus

MATSUSHITA ELECTRIC INDUSTRIAL CO LTD12 citations73
US5495462AFeb 27, 1996

Light beam splitting apparatus

MATSUSHITA ELECTRIC INDUSTRIAL CO LTD14 citations71
US6920101B2Jul 19, 2005

Optical information processor and optical element

MATSUSHITA ELECTRIC INDUSTRIAL CO LTD3 citations62
US6914870B2Jul 5, 2005

Optical head apparatus

MATSUSHITA ELECTRIC INDUSTRIAL CO LTD2 citations62
US6819647B2Nov 16, 2004

Optical information processor and optical element

MATSUSHITA ELECTRIC INDUSTRIAL CO LTD3 citations62
US6930972B2Aug 16, 2005

Optical information processor and optical element

MATSUSHITA ELECTRIC INDUSTRIAL CO LTD0 citations52
US5313450AMay 17, 1994

Optical disk drive

MATSUSHITA ELECTRIC INDUSTRIAL CO LTD1 citations52
US6898010B2May 24, 2005

Beam-shaping device, optical disc device, and fabrication method of beam-shaping device

MATSUSHITA ELECTRIC INDUSTRIAL CO LTD0 citations42

TOSHIBA KK

11 patents

YAMASAKI FUMITOMO

2 patents

FUJIFILM CORP

1 patent

ASADA JUNICHI

1 patent

PANASONIC CORP

1 patent

PANASONIC IP MAN CO LTD

1 patent