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Tokyo, JP
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Patents Grants
last 30 patents
Information
Patent Grant
Method of manufacturing field effect transistor having Ohmic electr...
Patent number
8,202,794
Issue date
Jun 19, 2012
Oki Electric Industry Co., Ltd.
Juro Mita
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Field effect transistor having Ohmic electrode in a recess
Patent number
7,923,753
Issue date
Apr 12, 2011
Oki Electric Industry Co., Ltd.
Juro Mita
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Etching method, method of fabricating metal film structure, and etc...
Patent number
7,393,791
Issue date
Jul 1, 2008
Oki Electric Industry Co., Ltd.
Katsuaki Kaifu
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Polymer material for use in optical communication parts
Patent number
6,624,255
Issue date
Sep 23, 2003
Oki Electric Industry Co., Ltd.
Takeshi Koyano
G02 - OPTICS
Information
Patent Grant
COATING SOLUTIONS FOR USE IN FORMING BISMUTH-BASED FERROELECTRIC TH...
Patent number
6,528,172
Issue date
Mar 4, 2003
Tokyo Ohka Kogyo Co., Ltd.
Yoshihiro Sawada
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information
Patent Grant
Ferroelectric thin film, production method thereof and coating liqu...
Patent number
6,403,160
Issue date
Jun 11, 2002
Oki Electric Industry Co., Ltd.
Ichiro Koiwa
C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
Information
Patent Grant
Polymer pattern forming method
Patent number
6,372,411
Issue date
Apr 16, 2002
Oki Electric Industry Co., Ltd.
Takeshi Koyano
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Optical waveguide made of polymer material and a method of fabricat...
Patent number
6,327,415
Issue date
Dec 4, 2001
Oki Electric Industry Co., Ltd.
Takeshi Koyano
G02 - OPTICS
Information
Patent Grant
Coating solutions for use in forming bismuth-based ferroelectric th...
Patent number
6,303,231
Issue date
Oct 16, 2001
Tokyo Ohka Kogyo Co., Ltd.
Yoshihiro Sawada
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information
Patent Grant
Coating solutions for use in forming bismuth-based ferroelectric th...
Patent number
6,197,102
Issue date
Mar 6, 2001
Tokyo Ohka Kogyo Co., Ltd.
Yoshihiro Sawada
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information
Patent Grant
Coating solutions for use in forming bismuth-based ferroelectric th...
Patent number
6,120,912
Issue date
Sep 19, 2000
Tokyo Ohka Kogyo Co., Ltd.
Yoshihiro Sawada
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information
Patent Grant
Magnetoresistive sensor and head with alternating magnetic bias field
Patent number
6,025,979
Issue date
Feb 15, 2000
Oki Electric Industry Co., Ltd.
Haruki Yamane
B82 - NANO-TECHNOLOGY
Information
Patent Grant
Ferroelectric thin film, making method thereof and coating liquid f...
Patent number
5,976,705
Issue date
Nov 2, 1999
Oki Electric Industry Co., Ltd.
Ichiro Koiwa
C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
Information
Patent Grant
Coating solutions for use in forming bismuth-based ferroelectric th...
Patent number
5,972,096
Issue date
Oct 26, 1999
Tokyo Ohka Kogyo Co., Ltd.
Yoshihiro Sawada
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information
Patent Grant
Coating solutions for use in forming bismuth-based dielectric thin...
Patent number
5,811,153
Issue date
Sep 22, 1998
Tokyo Ohka Kogyo Co., Ltd.
Akira Hashimoto
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Patents Applications
last 30 patents
Information
Patent Application
Method of manufacturing field effect transistor having Ohmic electr...
Publication number
20110189826
Publication date
Aug 4, 2011
Oki Electric Industry Co., Ltd.
Juro Mita
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
Etching structure
Publication number
20080241469
Publication date
Oct 2, 2008
Oki Electric Industry Co., Ltd.
Katsuaki Kaifu
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
Method for fabricating AIGaN/GaN-HEMT using selective regrowth
Publication number
20080176366
Publication date
Jul 24, 2008
Oki Electric Industry Co., Ltd.
Juro Mita
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
Ohmic electrode, method of manufacturing Ohmic electrode, field eff...
Publication number
20070051978
Publication date
Mar 8, 2007
Oki Electric Industry Co., Ltd.
Juro Mita
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
Etching method, method of fabricating metal film structure, and etc...
Publication number
20070049031
Publication date
Mar 1, 2007
Oki Electric Industry Co., Ltd.
Katsuaki Kaifu
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
Wafer for semiconductor device fabrication, method of manufacture o...
Publication number
20060214187
Publication date
Sep 28, 2006
Oki Electric Industry Co., Ltd.
Juro Mita
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
Optical waveguide made of polymer material and a method of fabricat...
Publication number
20020021883
Publication date
Feb 21, 2002
Takeshi Koyano
G02 - OPTICS
Information
Patent Application
Coating solutions for use in forming bismuth-based ferroelectric th...
Publication number
20010010867
Publication date
Aug 2, 2001
Yoshihiro Sawada
C01 - INORGANIC CHEMISTRY