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Patents Grants
last 30 patents
Information
Patent Grant
Crossed-dipole antenna
Patent number
12,113,290
Issue date
Oct 8, 2024
Maruwa Co., Ltd.
Sota Nagashima
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Ceramic device
Patent number
11,643,368
Issue date
May 9, 2023
Maruwa Co., Ltd.
Kazuhisa Toyofuku
C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
Information
Patent Grant
Spherical aluminum nitride powder and method for producing spherica...
Patent number
11,358,865
Issue date
Jun 14, 2022
Maruwa Co., Ltd.
Fuyuki Ito
C01 - INORGANIC CHEMISTRY
Information
Patent Grant
Aluminum nitride sintered body and method for producing same
Patent number
11,319,254
Issue date
May 3, 2022
Maruwa Co., Ltd.
Mitsutaka Takahashi
C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
Information
Patent Grant
Susceptor
Patent number
10,460,965
Issue date
Oct 29, 2019
Maruwa Co., Ltd.
Fumiya Kobayashi
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information
Patent Grant
Susceptor
Patent number
10,287,685
Issue date
May 14, 2019
Maruwa Co., Ltd.
Fumiya Kobayashi
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information
Patent Grant
Cut-out sintered ceramic sheet and method of manufacturing the same
Patent number
8,859,072
Issue date
Oct 14, 2014
Maruwa Co., Ltd.
Ikuo Nishi
C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
Information
Patent Grant
Cut-out sintered ceramic sheet and method of manufacturing the same
Patent number
8,747,590
Issue date
Jun 10, 2014
Maruwa Co., Ltd.
Ikuo Nishi
C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
Information
Patent Grant
Cut-out sintered ceramic sheet and method of manufacturing the same
Patent number
8,747,589
Issue date
Jun 10, 2014
Maruwa Co. Ltd.
Ikuo Nishi
C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
Information
Patent Grant
Antenna module, magnetic material sheet and double-sided adhesive s...
Patent number
8,614,648
Issue date
Dec 24, 2013
Maruwa Co., Ltd.
Yasushi Kojima
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Composite ferrite sheet, method of fabricating the composite ferrit...
Patent number
8,323,776
Issue date
Dec 4, 2012
Maruwa Co., Ltd.
Ikuo Nishi
C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
Information
Patent Grant
Surface-mounted coil
Patent number
D671511
Issue date
Nov 27, 2012
Maruwa Co., Ltd.
Tsutomu Amano
D13 - Equipment for production, distribution, or transformation of energy
Information
Patent Grant
Surface-mounted coil
Patent number
D671510
Issue date
Nov 27, 2012
Maruwa Co., Ltd.
Tsutomu Amano
D13 - Equipment for production, distribution, or transformation of energy
Information
Patent Grant
Functional mat and its manufacturing method
Patent number
5,985,442
Issue date
Nov 16, 1999
Maruwa Co., Ltd.
Megumi Nagaya
B32 - LAYERED PRODUCTS
Patents Applications
last 30 patents
Information
Patent Application
CROSSED-DIPOLE ANTENNA
Publication number
20240243479
Publication date
Jul 18, 2024
Maruwa Co., Ltd.
Sota NAGASHIMA
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
ALUMINUM NITRIDE SINTERED BODY AND METHOD FOR PRODUCING SAME
Publication number
20210323876
Publication date
Oct 21, 2021
Maruwa Co., Ltd.
Mitsutaka Takahashi
C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
Information
Patent Application
SPHERICAL ALUMINUM NITRIDE POWDER AND METHOD FOR PRODUCING SPHERICA...
Publication number
20210246024
Publication date
Aug 12, 2021
Maruwa Co., Ltd.
Fuyuki ITO
C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
Information
Patent Application
CERAMIC DEVICE
Publication number
20210107836
Publication date
Apr 15, 2021
Maruwa Co., Ltd.
Kazuhisa Toyofuku
C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
Information
Patent Application
ANTENNA MODULE, MAGNETIC MATERIAL SHEET AND DOUBLE-SIDED ADHESIVE S...
Publication number
20130222198
Publication date
Aug 29, 2013
MARUWA, CO., LTD
Yasushi Kojima
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
CUT-OUT SINTERED CERAMIC SHEET AND METHOD OF MANUFACTURING THE SAME
Publication number
20130224499
Publication date
Aug 29, 2013
Maruwa Co., Ltd.
Ikuo Nishi
B32 - LAYERED PRODUCTS
Information
Patent Application
CUT-OUT SINTERED CERAMIC SHEET AND METHOD OF MANUFACTURING THE SAME
Publication number
20130156996
Publication date
Jun 20, 2013
Maruwa Co., Ltd.
Ikuo Nishi
B32 - LAYERED PRODUCTS
Information
Patent Application
CUT-OUT SINTERED CERAMIC SHEET AND METHOD OF MANUFACTURING THE SAME
Publication number
20130122250
Publication date
May 16, 2013
Maruwa Co., Ltd.
Ikuo Nishi
B32 - LAYERED PRODUCTS
Information
Patent Application
COMPOSITE FERRITE SHEET, METHOD OF FABRICATING THE COMPOSITE FERRIT...
Publication number
20120088070
Publication date
Apr 12, 2012
Maruwa Co., Ltd.
Ikuo NISHI
C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
Trademark
last 30 trademarks
Information
Trademark
87871250 - MARUWA
Serial number
87871250
Registration number
5737914
Filing date
Apr 10, 2018
MARUWA CO. LTD.
7 - Machines and machine tools