Inventor

Mutsumi Maehara

Inventor

Mobara, JP

Overview

22→

Patents

1998–2012

Patent span

Electricity

Primary field (CPC H)

Patents· 22 as inventor

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

H01Jprimary

H01JElectric discharge tubes or discharge lamps54%

G02FOptical devices or arrangements for the control of light by modification of the optical properties of the media of the elements involved therein33%

G04BMechanically-driven clocks or watches8%

G09GArrangements or circuits for control of indicating devices using static means to present variable information4%

PatentTitleYear

8,305,513'Liquid crystal display device'2012 8,199,277'Liquid crystal display device and manufacturing method thereof'2012 8,134,665'Polarizer and liquid-crystal display apparatus having reduced polarization state in oblique viewing angles'2012 8,059,235'Liquid crystal display'2011 7,920,238'Polarizer and liquid-crystal display apparatus having reduced polarization state in oblique viewing angles'2011 7,911,555'Liquid crystal display device'2011 7,489,374'Liquid crystal display'2009 7,292,299'Liquid crystal display apparatus'2007 7,256,763'Liquid crystal display device and driving method thereof'2007 6,590,327'Color cathode ray tube having flat outer face'2003 6,518,696'Color cathode ray tube with shadow mask and mask frame having round corners'2003 6,407,494'Shadow mask type color cathode ray tube whose panel surface is flat'2002 6,339,282'Color cathode-ray tube having internal magnetic shield'2002 6,307,310'Color cathode-ray tube'2001 6,278,232'Color cathode ray tube'2001 6,262,526'Color Braun tube'2001 6,177,758'Color cathode-ray tube having internal magnetic shield'2001 6,104,132'Color cathode ray tube'2000 6,028,392'Color braun tube'2000 6,020,678'Color cathode-ray tube having internal magnetic shield'2000 5,910,702'Color cathode ray tube having an improved shadow mask and shadow mask connector'1999 5,814,933'Cathode ray tube having an improved front panel'1998

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1998–2003Patents assigned to HITACHI LTD (13)· patent assignee history

1998–2012Based in Mobara, JP· patent location history

2007–2012Patents assigned to HITACHI DISPLAYS LTD (8)· patent assignee history

2007Based in Tokyo, JP· patent location history

2011–2012Patents assigned to MAEHARA MUTSUMI (4)· patent assignee history

2012Patents assigned to PANASONIC LIQUID CRYSTAL DISPL (3)· patent assignee history

2012Patents assigned to FUKAYAMA NORIHISA (2)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
HITACHI LTD	13	1998–2003
HITACHI DISPLAYS LTD	8	2007–2012
MAEHARA MUTSUMIself	4	2011–2012
PANASONIC LIQUID CRYSTAL DISPL	3	2012
FUKAYAMA NORIHISA	2	2012

Locations

Location	Patents	Span
Mobara, JP	21	1998–2012
Tokyo, JP	1	2007