KUMANO; Tomoji

Patent Applications and Registrations

Patent applications and USPTO patent grants for KUMANO; Tomoji.The latest application filed is for "grain-oriented electrical steel sheet with excellent magnetic characteristics".

Company Profile

0.8.10

KUMANO; Tomoji - Tokyo JP
Kumano; Tomoji - Kitakyushu JP
Kumano; Tomoji - Fukuoka JP
Kumano; Tomoji - Kitakyushu-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
Grain-oriented Electrical Steel Sheet With Excellent Magnetic Characteristics App 20210262052 - KUMANO; Tomoji ; et al.	2021-08-26
Manufacturing method of grain-oriented electrical steel sheet Grant 8,303,730 - Kumano , et al. November 6, 2	2012-11-06
Method of treating steel for grain-oriented electrical steel sheet and method of manufacturing grain-oriented electrical steel sheet Grant 8,202,374 - Kumano , et al. June 19, 2	2012-06-19
Method Of Treating Steel For Grain-oriented Electrical Steel Sheet And Method Of Manufacturing Grain-oriented Electrical Steel Sheet App 20120037277 - Kumano; Tomoji ; et al.	2012-02-16
Method of production of grain-oriented electrical steel sheet having a high magnetic flux density Grant 7,976,645 - Ushigami , et al. July 12, 2	2011-07-12
Manufacturing Method Of Grain-oriented Electrical Steel Sheet App 20110155285 - Kumano; Tomoji ; et al.	2011-06-30
Grain-oriented electrical steel sheet extremely excellent in magnetic properties and method of production of same Grant 7,857,915 - Kumano , et al. December 28, 2	2010-12-28
Method of producing grain-oriented electrical steel sheet very excellent in magnetic properties Grant 7,833,360 - Kumano , et al. November 16, 2	2010-11-16
Method of production of grain-oriented electrical steel sheet having a high magnetic flux density App 20090126832 - Ushigami; Yoshiyuki ; et al.	2009-05-21
Grain-Oriented Electrical Steel Sheet Extremely Excellent in Magnetic Properties and Method of Production of Same App 20090044881 - Kumano; Tomoji ; et al.	2009-02-19
Method of Producing Grain-Oriented Electrical Steel Sheet Very Excellent in Magnetic Properties App 20090032142 - Kumano; Tomoji ; et al.	2009-02-05
Core having superior end face insulation and method of treating core end faces to give insulation coating Grant 7,471,182 - Kumano , et al. December 30, 2	2008-12-30
Core having superior end face insulation and method of treating core end faces to give insulation coating App 20070188289 - Kumano; Tomoji ; et al.	2007-08-16
Core having superior end face insulation and method of treating core end faces to give insulation coating Grant 7,173,509 - Kumano , et al. February 6, 2	2007-02-06
Iron core exhibiting excellent insulating property at end face, and method for coating end face of iron core App 20040046632 - Kumano, Tomoji ; et al.	2004-03-11
Method for producing a grain-oriented electrical steel sheet excellent in magnetic properties App 20020007870 - Ohata, Yoshifumi ; et al.	2002-01-24
Low iron loss non-oriented electrical steel sheet excellent in workability and method for producing the same App 20010037841 - Murakami, Ken-ichi ; et al.	2001-11-08
Process for producing grain-oriented electrical steel sheet having both improved magnetic properties and properties of glass film Grant 4,543,134 - Tanaka , et al. September 24, 1	1985-09-24

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