Tsutahara; Kouichirou

Patent Applications and Registrations

Patent applications and USPTO patent grants for Tsutahara; Kouichirou.The latest application filed is for "polishing agent for processing semiconductor, dispersant used therefor and process for preparing semiconductor device using above polishing agent for processing semiconductor".

Company Profile

0.9.1

Tsutahara; Kouichirou - Tokyo JP
Tsutahara; Kouichirou - Itami JP
Tsutahara; Kouichirou - Itami City 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
Polishing agent for processing semiconductor, dispersant used therefor and process for preparing semiconductor device using above polishing agent for processing semiconductor Grant 6,568,996 - Kobayashi , et al. May 27, 2	2003-05-27
Polishing agent for processing semiconductor, dispersant used therefor and process for preparing semiconductor device using above polishing agent for processing semiconductor App 20020039875 - Kobayashi, Toshio ; et al.	2002-04-04
Semiconductor producing apparatus, and wafer vacuum chucking device, gas cleaning method and nitride film forming method in semiconductor producing apparatus Grant 5,976,260 - Kinoshita , et al. November 2, 1	1999-11-02
Liquid vaporizing apparatus Grant 5,803,938 - Yamaguchi , et al. September 8, 1	1998-09-08
Liquid vaporizing apparatus Grant 5,785,902 - Yamaguchi , et al. July 28, 1	1998-07-28
Liquid vaporizing apparatus Grant 5,662,838 - Yamaguchi , et al. September 2, 1	1997-09-02
Semiconductor producing apparatus comprising wafer vacuum chucking device Grant 5,534,073 - Kinoshita , et al. July 9, 1	1996-07-09
Liquid vaporizing apparatus Grant 5,520,858 - Yamaguchi , et al. May 28, 1	1996-05-28
Apparatus for atmospheric chemical vapor deposition Grant 5,076,207 - Washitani , et al. December 31, 1	1991-12-31
Semiconductor wafer heating device Grant 5,025,133 - Tsutahara , et al. June 18, 1	1991-06-18

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