Katsuyama; Ichirou

Patent Applications and Registrations

Patent applications and USPTO patent grants for Katsuyama; Ichirou.The latest application filed is for "lcd and projection type display using same".

Company Profile

0.6.3

Katsuyama; Ichirou - Hitachi JP
Katsuyama, Ichirou - Hitachi-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
LCD and projection type display using same Grant 6,879,358 - Sato , et al. April 12, 2	2005-04-12
LCD and projection type display using same App 20040090565 - Sato, Hideo ; et al.	2004-05-13
LCD and projection type display using same Grant 6,693,691 - Sato , et al. February 17, 2	2004-02-17
Liquid crystal light valve and projection type display using same Grant 6,686,976 - Sato , et al. February 3, 2	2004-02-03
LCD and projection type display using same App 20020176033 - Sato, Hideo ; et al.	2002-11-28
Liquid crystal light valve and projection type display using same App 20010033346 - Sato, Hideo ; et al.	2001-10-25
Light insensitive type active matrix with P and N regions connected to a reference potential Grant 6,034,749 - Sato , et al. March 7, 2	2000-03-07
Liquid crystal substrate having 3 metal layers with slits offset to block light from reaching the substrate Grant 5,461,501 - Sato , et al. October 24, 1	1995-10-24
Control method of brightness of screen used for projection display and control apparatus of the same Grant 4,964,719 - Tachikawa , et al. October 23, 1	1990-10-23

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