Inventor

Akiko Hirao

Inventor

Chiba, JP

Overview

1989–2020

Patent span

Physics

Primary field (CPC G)

Patents· 34 as inventor

Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.

G11Bprimary

G11BInformation storage based on relative movement between record carrier and transducer32%

G03HHolographic processes or apparatus15%

B82YSpecific uses or applications of nanostructures6%

G03FPhotomechanical production of textured or patterned surfaces, e.g. for printing, for processing of semiconductor devices6%

Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests6%

Y10TTechnical subjects covered by former us classification5%

C08GMacromolecular compounds obtained otherwise than by reactions only involving unsaturated carbon-to-carbon bonds4%

C08LCompositions of macromolecular compounds4%

G03GElectrography4%

G11CStatic stores3%

PatentTitleYear

10,859,533Parameter estimation method and parameter estimation device2020 8,613,985'Liquid crystal/polymer composite'2013 8,580,403'Organic light-emitting diode, display and illuminating device'2013 7,907,495'Two-dimensional digital data acquisition element and holographic storage apparatus'2011 7,852,537'Optical recording medium and method of manufacturing the same'2010 7,768,881'Medium, apparatus, and method of recording optical-information'2010 7,664,001'Method of holographic recording and reproduction, holographic recording medium and holographic recording and reproducing apparatus'2010 7,626,910'Optical information recording medium for holographic recording and method of holographic recording in optical information recording medium'2009 7,601,465'Holographic recording medium'2009 7,593,304'Apparatus and method for recording and reproducing hologram, and spatial light modulator therefor'2009 7,545,729'Medium, apparatus, and method of recording optical-information'2009 7,512,054'Method for optical recording, method for optical reproducing, optical recording medium, and optical recording and reproducing apparatus utilizing holography'2009 7,498,103'Holographic recording medium and method of manufacturing the same'2009 7,494,747'Holographic recording medium'2009 7,359,306'Holographic recording medium'2008 7,297,449'Optical recording medium and optical recording apparatus'2007 7,270,916'Recording medium'2007 7,254,106'Method and equipment for storing holographic data'2007 7,095,536'Holographic recording medium and holographic recording medium manufacturing method'2006 7,060,393'Optical recording medium and optical recording apparatus'2006 7,061,852'Recording apparatus for a holographic recording medium including an alignment laser having a different wavelength from the recording laser'2006 7,031,037'Holographic recording medium and holographic recording medium manufacturing method'2006 7,006,425'Information recording and/or reproducing method and apparatus for three dimensional optical recording medium'2006 6,921,624'Optical recording medium'2005 6,744,717'Optical disk and optical disk drive'2004 6,606,291'Optical disk and optical disk drive'2003 6,577,591'Optical recording medium'2003 6,545,971'Information recording/reproducing system for recording/reproducing information in three-dimensional recording medium of a light passing-through type'2003 6,187,406'Optical disk and optical disk drive'2001 5,800,950'Recording medium'1998 5,759,725'Photoconductors and electrophotographic photoreceptors containing amorphous fullerenes'1998 5,198,520'Polysilanes, polysiloxanes and silicone resist materials containing these compounds'1993 5,017,453'A silicone resist materials containing a polysiloxane and a photo-sensitive agent'1991 4,822,716'Polysilanes, Polysiloxanes and silicone resist materials containing these compounds'1989

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1989–2020Patents assigned to TOSHIBA KK (33)· patent assignee history

1989–2011Based in Chiba, JP· patent location history

2003Based in Saitama-shi, JP· patent location history

2013Patents assigned to HIRAO AKIKO (2)· patent assignee history

2013Patents assigned to AMANO AKIO (1)· patent assignee history

2013Patents assigned to AMEMIYA ISAO (1)· patent assignee history

2013Patents assigned to ENOMOTO SHINTARO (1)· patent assignee history

2013–2020Based in Kawasaki, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
TOSHIBA KK	33	1989–2020
HIRAO AKIKOself	2	2013
AMANO AKIO	1	2013
AMEMIYA ISAO	1	2013
ENOMOTO SHINTARO	1	2013

Locations

Location	Patents	Span
Chiba, JP	30	1989–2011
Kawasaki, JP	3	2013–2020
Saitama-shi, JP	1	2003