Ikenaga; Osamu

Patent Applications and Registrations

Patent applications and USPTO patent grants for Ikenaga; Osamu.The latest application filed is for "pattern forming method and pattern forming device".

Company Profile

0.14.17

Ikenaga; Osamu - Yokohama-shi JP
Ikenaga; Osamu - Yokohama JP
Ikenaga; Osamu - Kawasaki JP
Ikenaga; Osamu - Tokyo 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
Pattern Forming Method And Pattern Forming Device App 20120049396 - Tsutsui; Tomohiro ; et al.	2012-03-01
Mask pattern verifying method Grant 8,121,387 - Asano , et al. February 21, 2	2012-02-21
Semiconductor mask inspection using die-to-die and die-to-database comparisons Grant 8,036,446 - Ikenaga , et al. October 11, 2	2011-10-11
Method of evaluating a photo mask and method of manufacturing a semiconductor device Grant 7,912,275 - Yamamoto , et al. March 22, 2	2011-03-22
Mask defect inspection data generating method, mask defect inspection method and mask production method Grant 7,742,162 - Tsutsui , et al. June 22, 2	2010-06-22
Method of creating photo mask data, method of photo mask manufacturing, and method of manufacturing semiconductor device Grant 7,735,055 - Tsutsui , et al. June 8, 2	2010-06-08
Method Of Evaluating A Photo Mask And Method Of Manufacturing A Semiconductor Device App 20090202924 - YAMAMOTO; Hiroki ; et al.	2009-08-13
Photomask Having Code Pattern Formed By Coding Data Conversion Process Information, Photomask Formation Method, And Semiconductor Device Fabrication Method App 20090162758 - Ikenaga; Osamu	2009-06-25
Mask Defect Inspection Data Generating Method, Mask Defect Inspection Method And Mask Production Method App 20090046280 - TSUTSUI; Tomohiro ; et al.	2009-02-19
Mask Pattern Verifying Method App 20080232671 - ASANO; Mitsuyo ; et al.	2008-09-25
Photomask formation method, photomask, and semiconductor device fabrication method App 20070207393 - Ikenaga; Osamu	2007-09-06
Method for evaluating photo mask and method for manufacturing semiconductor device Grant 7,229,721 - Mimotogi , et al. June 12, 2	2007-06-12
Photo mask, method of manufacturing photo mask, and method of generating mask data Grant 7,222,327 - Tsutsui , et al. May 22, 2	2007-05-22
Method of creating photo mask data, method of photo mask manufacturing, and method of manufacturing semiconductor device App 20060292458 - Tsutsui; Tomohiro ; et al.	2006-12-28
Mask forming method and semiconductor device manufacturing method App 20060270072 - Ikenaga; Osamu ; et al.	2006-11-30
Method of producing mask inspection data, method of manufacturing a photo mask and method of manufacturing a semiconductor device App 20060206853 - Kamo; Takashi ; et al.	2006-09-14
Pattern extracting system, method for extracting measuring points, method for extracting patterns, and computer program product for extracting patterns App 20060190875 - Arisawa; Yukiyasu ; et al.	2006-08-24
Method of manufacturing a photo mask and method of manufacturing a semiconductor device Grant 7,090,949 - Nojima , et al. August 15, 2	2006-08-15
Method of manufacturing a photomask and method of manufacturing a semiconductor device using the photomask Grant 7,008,731 - Nojima , et al. March 7, 2	2006-03-07
Photo mask, method of manufacturing photo mask, and method of generating mask data App 20050003280 - Tsutsui, Tomohiro ; et al.	2005-01-06
Method of manufacturing a photo mask and method of manufacturing a semiconductor device App 20040146788 - Nojima, Shigeki ; et al.	2004-07-29
Method for evaluating photo mask and method for manufacturing semiconductor device App 20040137340 - Mimotogi, Shoji ; et al.	2004-07-15
Method of manufacturing photomask Grant 6,649,310 - Itoh , et al. November 18, 2	2003-11-18
Method of manufacturing a photomask and method of manufacturing a semiconductor device using the photomask App 20030162105 - Nojima, Shigeki ; et al.	2003-08-28
Mask trading system and method App 20030074274 - Kyoh, Suigen ; et al.	2003-04-17
Method of manufacturing photomask App 20020025480 - Itoh, Masamitsu ; et al.	2002-02-28
Method of forming photomask and method of manufacturing semiconductor device Grant 6,333,213 - Hasebe , et al. December 25, 2	2001-12-25
Method of forming photomask and method of manufacturing semiconductor device App 20010005619 - Hasebe, Shigeru ; et al.	2001-06-28
Method for drawing a desired circuit pattern using charged particle beam Grant 4,878,177 - Ikenaga , et al. October 31, 1	1989-10-31
Mark position detecting method and apparatus Grant 4,701,053 - Ikenaga October 20, 1	1987-10-20
Apparatus for inspecting mask used for manufacturing integrated circuits Grant 4,623,256 - Ikenaga , et al. November 18, 1	1986-11-18

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