Tamatsuka; Masaro

Patent Applications and Registrations

Patent applications and USPTO patent grants for Tamatsuka; Masaro.The latest application filed is for "anodic-oxidation equipment, anodic-oxidation method, and method for producing cathode of anodic-oxidation equipment".

Company Profile

0.21.13

Tamatsuka; Masaro - Nishigo-mura JP
Tamatsuka; Masaro - Gunma JP
Tamatsuka; Masaro - Annaka JP
Tamatsuka; Masaro - Gunma-ken 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
Anodic-oxidation equipment, anodic-oxidation method, and method for producing cathode of anodic-oxidation equipment Grant 11,248,306 - Ohtsuki , et al. February 15, 2	2022-02-15
Anodic-oxidation Equipment, Anodic-oxidation Method, And Method For Producing Cathode Of Anodic-oxidation Equipment App 20210238762 - OHTSUKI; Tsuyoshi ; et al.	2021-08-05
Method for preparing nitrogen-doped annealed wafer and nitrogen-doped and annealed wafer Grant 7,326,658 - Iida , et al. February 5, 2	2008-02-05
Method of producing annealed wafer and annealed wafer Grant 7,189,293 - Kobayashi , et al. March 13, 2	2007-03-13
Method of producing annealed wafer and annealed wafer Grant 7,153,785 - Kobayashi , et al. December 26, 2	2006-12-26
Method of producing silicon wafer and silicon wafer Grant 7,147,711 - Tamatsuka , et al. December 12, 2	2006-12-12
Method for heat treatment of silicon wafers and silicon wafer Grant 7,011,717 - Kobayashi , et al. March 14, 2	2006-03-14
Method for manufacturing silicon wafer Grant 6,878,645 - Kobayashi , et al. April 12, 2	2005-04-12
Method for heat treatment of silicon wafers and silicon wafer App 20050025691 - Kobayashi, Norihiro ; et al.	2005-02-03
Annealed wafer manufacturing method and annealed wafer Grant 6,841,450 - Kobayashi , et al. January 11, 2	2005-01-11
Production method for anneal wafer and anneal wafer App 20040231759 - Kobayashi, Norihiro ; et al.	2004-11-25
Method for heat treatment of silicon wafers and silicon wafer Grant 6,809,015 - Kobayashi , et al. October 26, 2	2004-10-26
Method for manufacturing single-crystal-silicon wafers Grant 6,805,743 - Kobayashi , et al. October 19, 2	2004-10-19
Silicon single crystal wafer and manufacturing process therefor Grant 6,802,899 - Tamatsuka October 12, 2	2004-10-12
Production method for anneal wafer and anneal wafer App 20040192071 - Kobayashi, Norihiro ; et al.	2004-09-30
Method for manufacturing silicon wafer App 20040023518 - Kobayashi, Norihiro ; et al.	2004-02-05
Method of producing a bonded wafer and the bonded wafer Grant 6,680,260 - Akiyama , et al. January 20, 2	2004-01-20
Method of producing silicon wafer and silicon wafer App 20040003769 - Tamatsuka, Masaro ; et al.	2004-01-08
Production method for annealed wafer Grant 6,670,261 - Akiyama , et al. December 30, 2	2003-12-30
Silicon boat with protective film, method of manufacture thereof, and silicon wafer heat-treated using silicon boat App 20030196588 - Kobayashi, Norihiro ; et al.	2003-10-23
Silicon wafer for epitaxial wafer, epitaxial wafer, and method of manufacture thereof Grant 6,626,994 - Kimura , et al. September 30, 2	2003-09-30
Method for manufacturing single-crystal-silicon wafers App 20030164139 - Kobayashi, Norihiro ; et al.	2003-09-04
Method for preparing nitrogen-doped annealed wafer and nitrogen-doped and annealed wafer App 20030157814 - Iida, Makoto ; et al.	2003-08-21
Silicon wafer Grant 6,599,603 - Kato , et al. July 29, 2	2003-07-29
Method for heat treatment of silicon wafers and silicon wafer App 20030104709 - Kobayashi, Norihiro ; et al.	2003-06-05
Method of producing a bonded wafer and the bonded wafer App 20030020096 - Akiyama, Shoji ; et al.	2003-01-30
Method of producing a bonded wafer and the bonded wafer Grant 6,492,682 - Akiyama , et al. December 10, 2	2002-12-10
Method of producing anneal wafer and anneal wafer App 20020173173 - Kobayashi, Norihiro ; et al.	2002-11-21
Production method for annealed wafer App 20020160591 - Akiyama, Shoji ; et al.	2002-10-31
Method for producing silicon single crystal wafer and silicon single crystal wafer Grant 6,413,310 - Tamatsuka , et al. July 2, 2	2002-07-02
Method for producing silicon single crystal wafer and silicon single crystal wafer Grant 6,191,009 - Tamatsuka , et al. February 20, 2	2001-02-20
Method for producing an epitaxial silicon single crystal wafer and the epitaxial silicon single crystal wafer Grant 6,162,708 - Tamatsuka , et al. December 19, 2	2000-12-19
Method for producing a silicon single crystal wafer and a silicon single crystal wafer Grant 6,139,625 - Tamatsuka , et al. October 31, 2	2000-10-31
Method and apparatus for determination of interstitial oxygen concentration in silicon single crystal Grant 5,386,118 - Kitagawara , et al. January 31, 1	1995-01-31

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