Okamura; Tetsuro

Patent Applications and Registrations

Patent applications and USPTO patent grants for Okamura; Tetsuro.The latest application filed is for "ring zonal phase correction lens and optical system and optical head device".

Company Profile

0.7.9

Okamura; Tetsuro - Nagano-pref JP
Okamura; Tetsuro - Chino JP
Okamura; Tetsuro - Nagano JP
Okamura; Tetsuro - Tokyo JP
Okamura, Tetsuro - Chino-shi JP

*profile and listings may contain filings by different individuals or companies with the same name. Review application materials to confirm ownership/assignment.

Patent Activity

Patent	Date
Zone phase correcting lens and optical head device Grant 7,471,611 - Okamura December 30, 2	2008-12-30
Lens, optical head apparatus, and objective lens for the optical head apparatus Grant 7,304,934 - Hayashi , et al. December 4, 2	2007-12-04
Ring zonal phase correction lens and optical system and optical head device Grant 7,236,313 - Okamura , et al. June 26, 2	2007-06-26
Illumination optical unit liquid crystal projector and production method of liquid crystal projector Grant 7,198,376 - Katsumata , et al. April 3, 2	2007-04-03
Optical element, lens and optical head device Grant 7,139,126 - Okamura November 21, 2	2006-11-21
Ring zonal phase correction lens and optical system and optical head device App 20060077568 - Okamura; Tetsuro ; et al.	2006-04-13
Optical head device and objective lens Grant 7,027,377 - Fujita , et al. April 11, 2	2006-04-11
Polarization converting device, illumination optical system and projector Grant 6,987,618 - Okamura January 17, 2	2006-01-17
Objective lens and optical head device provided with the same App 20060007840 - Hayashi; Kenichi ; et al.	2006-01-12
Zone phase correcting lens and optical head device App 20060002279 - Okamura; Tetsuro	2006-01-05
Optical element, lens and optical head device App 20050036204 - Okamura, Tetsuro	2005-02-17
Lens, optical head apparatus, and objective lens for the optical head apparatus App 20050002315 - Hayashi, Kenichi ; et al.	2005-01-06
Polarization converting device, illumination optical system and projector App 20040212893 - Okamura, Tetsuro	2004-10-28
Optical head device and objective lens for optical head device App 20040131000 - Hayashi, Kenichi ; et al.	2004-07-08
Illumination optical unit liquid crystal projector and production method of liquid crystal projector App 20040046942 - Katsumata, Masao ; et al.	2004-03-11
Optical head device and objective lens App 20030123369 - Fujita, Yuji ; et al.	2003-07-03

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