P

Inventor

YASUDA AKIO

DE119 patents
⚠️ This page may combine multiple inventors who share the name “YASUDA AKIO”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

SONY CORP

15 patents
US5055968AOct 8, 1991

Thin electronic device having an integrated circuit chip and a power battery and a method for producing same

SONY CORP268 citations98
US5978065ANov 2, 1999

Liquid crystal device and manufacturing method and apparatus therefor

SONY CORP57 citations94
US4957352ASep 18, 1990

Electrochromic display device

SONY CORP30 citations93
US7312914B2Dec 25, 2007

Electrochromic display device and electrodeposition-type display device

SONY CORP23 citations92
US6992808B2Jan 31, 2006

Electrochromic display device and electrodeposition-type display device

SONY CORP17 citations92
US6384887B1May 7, 2002

Liquid crystal devices comprising a multitude of domains having different threshold voltages for switching liquid crystals

SONY CORP25 citations92
US6335775B1Jan 1, 2002

Liquid crystal device having liquid crystal orientation layers including repetitive asymmetrical projects along a plurality of grooves

SONY CORP42 citations92
US6016133AJan 18, 2000

Passive matrix addressed LCD pulse modulated drive method with pixel area and/or time integration method to produce coray scale

SONY CORP35 citations92
US5654784AAug 5, 1997

Liquid crystal devices comprising a multitude of domains having different threshold voltages for switching liquid crystals

SONY CORP27 citations92
US5659411AAug 19, 1997

Optical device having an optically transparent birefringent medium that selectively shifts the optical axis

SONY CORP42 citations91
US5471339ANov 28, 1995

Electrochromic diaphragm device

SONY CORP41 citations91
US6650615B1Nov 18, 2003

Optical recording medium and recording and/or reproducing method and apparatus employing the optical recording medium

SONY CORP15 citations84
US6297865B1Oct 2, 2001

Liquid crystal element having polarization moderating properties

SONY CORP18 citations83
US5938972AAug 17, 1999

Liquid crystal composition, production thereof, and liquid crystal element made therewith

SONY CORP7 citations74
US7642541B2Jan 5, 2010

Functional device and method of manufacturing it

SONY CORP7 citations73

SONY DEUTSCHLAND GMBH

12 patents

SONY INT EUROPE GMBH

9 patents

HARNACK OLIVER

3 patents

DENSO CORP

2 patents

HIGASHIO MECH CO LTD

2 patents

NIPPON DENSO CO

1 patent

TOYOTA MOTOR CO LTD

1 patent

FORD WILLIAM E

1 patent

YASUDA AKIO

1 patent

KRON GREGOR

1 patent

SONY INTERNAT GMBH

1 patent

MATSUSHITA ELECTRIC INDUSTRIAL CO LTD

1 patent

Showing the top 50 of 119 patents by PatentIndex Score.