Projection type image display apparatus | Patent Publication Number 20100265471

US 20100265471 A1

Patent NumberUS 07850313 B2

Application Number12825836

Filled DateJun 29, 2010

Priority DateJun 15, 2007

Publication DateOct 21, 2010

Original AssigneeHitachi Ltd.

Current AssigneeMaxell Ltd.

Inventor/ApplicantsMasahiko Yatsu
Koji Hirata
Takanori Hisada

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