Shigekazu Tomai

Person

Chiba, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Oxide semiconductor substrate and schottky barrier diode
- Patent number 11,769,840
- Issue date Sep 26, 2023
- Idemitsu Kosan Co., Ltd.
- Shigekazu Tomai
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Garnet compound, oxide sintered compact, oxide semiconductor thin f...
- Patent number 11,447,421
- Issue date Sep 20, 2022
- Idemitsu Kosan Co., Ltd.
- Kazuyoshi Inoue
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information Patent Grant
Sintered body
- Patent number 11,434,172
- Issue date Sep 6, 2022
- Idemitsu Kosan Co., Ltd.
- Shigekazu Tomai
- C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
Information Patent Grant
Oxide sintered body and sputtering target
- Patent number 11,328,911
- Issue date May 10, 2022
- Idemitsu Kosan Co., Ltd.
- Kazuyoshi Inoue
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Laminated body
- Patent number 11,189,737
- Issue date Nov 30, 2021
- Idemitsu Kosan Co., Ltd.
- Yoshihiro Ueoka
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Oxide sintered body, sputtering target and oxide semiconductor film
- Patent number 11,078,120
- Issue date Aug 3, 2021
- Idemitsu Kosan Co., Ltd.
- Kazuyoshi Inoue
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information Patent Grant
Crystalline oxide semiconductor thin film, method for producing cry...
- Patent number 10,636,914
- Issue date Apr 28, 2020
- Idemitsu Kosan Co., Ltd.
- Kazuyoshi Inoue
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information Patent Grant
Semiconductor device and electric apparatus using same
- Patent number 10,374,045
- Issue date Aug 6, 2019
- Idemitsu Kosan Co., Ltd.
- Yuki Tsuruma
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Laminated article
- Patent number 10,340,356
- Issue date Jul 2, 2019
- Idemitsu Kosan Co., Ltd.
- Emi Kawashima
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Sputtering target
- Patent number 9,767,998
- Issue date Sep 19, 2017
- Idemitsu Kosan Co., Ltd.
- Kazuaki Ebata
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information Patent Grant
Oxide semiconductor substrate and schottky barrier diode
- Patent number 9,691,910
- Issue date Jun 27, 2017
- Idemitsu Kosan Co., Ltd.
- Shigekazu Tomai
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Oxide semiconductor substrate and schottky barrier diode
- Patent number 9,570,631
- Issue date Feb 14, 2017
- Idemitsu Kosan Co., Ltd.
- Shigekazu Tomai
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Thin film transistor having crystalline indium oxide semiconductor...
- Patent number 9,269,573
- Issue date Feb 23, 2016
- Idemitsu Kosan Co., Ltd.
- Kazuyoshi Inoue
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Sintered material, and process for producing same
- Patent number 9,243,318
- Issue date Jan 26, 2016
- Idemitsu Kosan Co., Ltd.
- Shigekazu Tomai
- C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
Information Patent Grant
Thin-film transistor
- Patent number 9,178,076
- Issue date Nov 3, 2015
- Idemitsu Kosan Co., Ltd.
- Yuki Tsuruma
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information Patent Grant
Sintered oxide body, target comprising the same, and oxide semicond...
- Patent number 9,153,438
- Issue date Oct 6, 2015
- Idemitsu Kosan Co., Ltd.
- Kazuaki Ebata
- C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
Information Patent Grant
Sputtering target
- Patent number 9,039,944
- Issue date May 26, 2015
- Idemitsu Kosan Co., Ltd.
- Kazuaki Ebata
- C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
Information Patent Grant
Oxide semiconductor field effect transistor and method for manufact...
- Patent number 8,791,457
- Issue date Jul 29, 2014
- Idemitsu Kosan Co., Ltd.
- Koki Yano
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information Patent Grant
Laminate structure including oxide semiconductor thin film layer, a...
- Patent number 8,785,927
- Issue date Jul 22, 2014
- Idemitsu Kosan Co., Ltd.
- Kazuaki Ebata
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information Patent Grant
Thin film transistor, thin film transistor substrate, processes for...
- Patent number 8,773,628
- Issue date Jul 8, 2014
- Idemitsu Kosan Co., Ltd.
- Kazuyoshi Inoue
- C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
Information Patent Grant
Oxide semiconductor field effect transistor and method for manufact...
- Patent number 8,723,175
- Issue date May 13, 2014
- Idemitsu Kosan Co., Ltd.
- Koki Yano
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information Patent Grant
Field effect transistor, semiconductor device and semiconductor dev...
- Patent number 8,704,217
- Issue date Apr 22, 2014
- Idemitsu Kosan Co., Ltd.
- Koki Yano
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Indium oxide sintered compact and sputtering target
- Patent number 8,664,136
- Issue date Mar 4, 2014
- Idemitsu Kosan Co., Ltd.
- Kazuyoshi Inoue
- C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
Information Patent Grant
Indium oxide-cerium oxide based sputtering target, transparent elec...
- Patent number 8,529,739
- Issue date Sep 10, 2013
- Idemitsu Kosan Co., Ltd.
- Kazuyoshi Inoue
- C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
Information Patent Grant
Thin film transistor, thin film transistor substrate, processes for...
- Patent number 8,507,111
- Issue date Aug 13, 2013
- Idemitsu Kosan Co., Ltd.
- Kazuyoshi Inoue
- C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
Information Patent Grant
Oxide semiconductor field effect transistor and method for manufact...
- Patent number 8,461,583
- Issue date Jun 11, 2013
- Idemitsu Kosan Co., Ltd.
- Koki Yano
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information Patent Grant
Thin film transistor having a crystalline semiconductor film includ...
- Patent number 8,445,903
- Issue date May 21, 2013
- Idemitsu Kosan Co., Ltd.
- Kazuyoshi Inoue
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Field effect transistor using oxide semicondutor and method for man...
- Patent number 8,384,077
- Issue date Feb 26, 2013
- Idemitsu Kosan Co., Ltd.
- Koki Yano
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Amorphous transparent conductive film, target and production method...
- Patent number 8,153,033
- Issue date Apr 10, 2012
- Idemitsu Kosan Co., Ltd.
- Yukio Shimane
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information Patent Grant
Thin film transistor, thin film transistor substrate, processes for...
- Patent number 8,038,857
- Issue date Oct 18, 2011
- Idemitsu Kosan Co., Ltd.
- Kazuyoshi Inoue
- C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES

Patents Applicationslast 30 patents

Information Patent Application
GARNET COMPOUND, OXIDE SINTERED COMPACT, OXIDE SEMICONDUCTOR THIN F...
- Publication number 20220388908
- Publication date Dec 8, 2022
- Idemitsu Kosan Co., Ltd.
- Kazuyoshi INOUE
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information Patent Application
LAMINATE AND SEMICONDUCTOR DEVICE
- Publication number 20220393073
- Publication date Dec 8, 2022
- IDEMITSU KOSAN CO.,LTD.
- Shigekazu TOMAI
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
COMPOSITION AND COMPOSITE MOLDED ARTICLE CONTAINING SAME
- Publication number 20220356358
- Publication date Nov 10, 2022
- IDEMITSU KOSAN CO.,LTD.
- Hiroshi YASUDA
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Application
OXIDE SINTERED BODY
- Publication number 20220356118
- Publication date Nov 10, 2022
- IDEMITSU KOSAN CO.,LTD.
- Shigekazu TOMAI
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information Patent Application
SOLUTION COMPOSITION COMPRISING CONDUCTIVE POLYMER
- Publication number 20220154013
- Publication date May 19, 2022
- IDEMITSU KOSAN CO.,LTD.
- Shigekazu TOMAI
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
OXIDE STACKED BODY AND METHOD FOR PRODUCING THE SAME
- Publication number 20220037561
- Publication date Feb 3, 2022
- IDEMITSU KOSAN CO.,LTD.
- Yoshihiro UEOKA
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
SINTERED BODY
- Publication number 20220002205
- Publication date Jan 6, 2022
- IDEMITSU KOSAN CO.,LTD.
- Shigekazu TOMAI
- C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
Information Patent Application
OXIDE SINTERED BODY, SPUTTERING TARGET AND OXIDE SEMICONDUCTOR FILM
- Publication number 20210355033
- Publication date Nov 18, 2021
- Idemitsu Kosan Co., Ltd.
- Kazuyoshi INOUE
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
COMPOSITION, AND REDOX MATERIAL USING THE SAME
- Publication number 20210079160
- Publication date Mar 18, 2021
- IDEMITSU KOSAN CO.,LTD.
- Naoko ARAI
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
OXIDE SINTERED BODY, SPUTTERING TARGET AND OXIDE SEMICONDUCTOR FILM
- Publication number 20200325072
- Publication date Oct 15, 2020
- Idemitsu Kosan Co., Ltd.
- Kazuyoshi INOUE
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information Patent Application
LAMINATED BODY
- Publication number 20200266304
- Publication date Aug 20, 2020
- Idemitsu Kosan Co., Ltd.
- Yoshihiro UEOKA
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
GARNET COMPOUND, OXIDE SINTERED COMPACT, OXIDE SEMICONDUCTOR THIN F...
- Publication number 20200140337
- Publication date May 7, 2020
- Idemitsu Kosan Co., Ltd.
- Kazuyoshi INOUE
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information Patent Application
OXIDE SINTERED BODY AND SPUTTERING TARGET
- Publication number 20190218145
- Publication date Jul 18, 2019
- Idemitsu Kosan Co., Ltd.
- Kazuyoshi INOUE
- C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
Information Patent Application
NEW GARNET COMPOUND, SINTERED BODY AND SPUTTERING TARGET CONTAINING...
- Publication number 20190177176
- Publication date Jun 13, 2019
- Idemitsu Kosan Co., Ltd.
- Kazuyoshi INOUE
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information Patent Application
LAMINATED ARTICLE
- Publication number 20190013389
- Publication date Jan 10, 2019
- Idemitsu Kosan Co., Ltd.
- Emi KAWASHIMA
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
SEMICONDUCTOR DEVICE AND ELECTRIC APPARATUS USING SAME
- Publication number 20190006473
- Publication date Jan 3, 2019
- Idemitsu Kosan Co., Ltd.
- Yuki TSURUMA
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
CRYSTALLINE OXIDE SEMICONDUCTOR THIN FILM, METHOD FOR PRODUCING CRY...
- Publication number 20180219098
- Publication date Aug 2, 2018
- Idemitsu Kosan Co., Ltd.
- Kazuyoshi INOUE
- C01 - INORGANIC CHEMISTRY
Information Patent Application
OXIDE SEMICONDUCTOR SUBSTRATE AND SCHOTTKY BARRIER DIODE
- Publication number 20170263786
- Publication date Sep 14, 2017
- Idemitsu Kosan Co., Ltd.
- Shigekazu TOMAI
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
OXIDE SEMICONDUCTOR SUBSTRATE AND SCHOTTKY BARRIER DIODE
- Publication number 20170141240
- Publication date May 18, 2017
- Idemitsu Kosan Co., Ltd.
- Shigekazu TOMAI
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
OXIDE SINTERED BODY, METHOD FOR PRODUCING SAME AND SPUTTERING TARGET
- Publication number 20160343554
- Publication date Nov 24, 2016
- Idemitsu Kosan Co., Ltd.
- Shigekazu TOMAI
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information Patent Application
OXIDE SEMICONDUCTOR SUBSTRATE AND SCHOTTKY BARRIER DIODE
- Publication number 20160211386
- Publication date Jul 21, 2016
- Idemitsu Kosan Co., Ltd.
- Shigekazu TOMAI
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
OXIDE SEMICONDUCTOR SUBSTRATE AND SCHOTTKY BARRIER DIODE
- Publication number 20160197202
- Publication date Jul 7, 2016
- Idemitsu Kosan Co., Ltd.
- Shigekazu TOMAI
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
SPUTTERING TARGET
- Publication number 20140252354
- Publication date Sep 11, 2014
- IDEMITSU KOSAN CO., LTD.
- Kazuaki Ebata
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information Patent Application
THIN-FILM TRANSISTOR
- Publication number 20140197408
- Publication date Jul 17, 2014
- IDEMITSU KOSAN CO., LTD.
- Yuki Tsuruma
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information Patent Application
SPUTTERING TARGET
- Publication number 20140145185
- Publication date May 29, 2014
- IDEMITSU KOSAN CO., LTD.
- Kazuaki Ebata
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information Patent Application
SINTERED MATERIAL, AND PROCESS FOR PRODUCING SAME
- Publication number 20140014500
- Publication date Jan 16, 2014
- IDEMITSU KOSAN CO., LTD.
- Shigekazu Tomai
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information Patent Application
OXIDE SEMICONDUCTOR FIELD EFFECT TRANSISTOR AND METHOD FOR MANUFACT...
- Publication number 20130313548
- Publication date Nov 28, 2013
- IDEMITSU KOSAN CO., LTD.
- Koki Yano
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information Patent Application
THIN FILM TRANSISTOR AND METHOD FOR MANUFACTURING SAME
- Publication number 20130234134
- Publication date Sep 12, 2013
- Idemitsu Kosan Co., Ltd.
- Kazuyoshi INOUE
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
LAMINATE STRUCTURE INCLUDING OXIDE SEMICONDUCTOR THIN FILM LAYER, A...
- Publication number 20130221351
- Publication date Aug 29, 2013
- IDEMITSU KOSAN CO., LTD.
- Kazuaki Ebata
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information Patent Application
FIELD EFFECT TRANSISTOR USING OXIDE SEMICONDUCTOR AND METHOD FOR MA...
- Publication number 20130146452
- Publication date Jun 13, 2013
- Idemitsu Kosan Co., Ltd.
- Koki YANO
- H01 - BASIC ELECTRIC ELEMENTS

Shigekazu Tomai

Person

Patents Grantslast 30 patents

Oxide semiconductor substrate and schottky barrier diode

Garnet compound, oxide sintered compact, oxide semiconductor thin f...

Sintered body

Oxide sintered body and sputtering target

Laminated body

Oxide sintered body, sputtering target and oxide semiconductor film

Crystalline oxide semiconductor thin film, method for producing cry...

Semiconductor device and electric apparatus using same

Laminated article

Sputtering target

Oxide semiconductor substrate and schottky barrier diode

Oxide semiconductor substrate and schottky barrier diode

Thin film transistor having crystalline indium oxide semiconductor...

Sintered material, and process for producing same

Thin-film transistor

Sintered oxide body, target comprising the same, and oxide semicond...

Sputtering target

Oxide semiconductor field effect transistor and method for manufact...

Laminate structure including oxide semiconductor thin film layer, a...

Thin film transistor, thin film transistor substrate, processes for...

Oxide semiconductor field effect transistor and method for manufact...

Field effect transistor, semiconductor device and semiconductor dev...

Indium oxide sintered compact and sputtering target

Indium oxide-cerium oxide based sputtering target, transparent elec...

Thin film transistor, thin film transistor substrate, processes for...

Oxide semiconductor field effect transistor and method for manufact...

Thin film transistor having a crystalline semiconductor film includ...

Field effect transistor using oxide semicondutor and method for man...

Amorphous transparent conductive film, target and production method...

Thin film transistor, thin film transistor substrate, processes for...

Patents Applicationslast 30 patents

GARNET COMPOUND, OXIDE SINTERED COMPACT, OXIDE SEMICONDUCTOR THIN F...

LAMINATE AND SEMICONDUCTOR DEVICE

COMPOSITION AND COMPOSITE MOLDED ARTICLE CONTAINING SAME

OXIDE SINTERED BODY

SOLUTION COMPOSITION COMPRISING CONDUCTIVE POLYMER

OXIDE STACKED BODY AND METHOD FOR PRODUCING THE SAME

SINTERED BODY

OXIDE SINTERED BODY, SPUTTERING TARGET AND OXIDE SEMICONDUCTOR FILM

COMPOSITION, AND REDOX MATERIAL USING THE SAME

OXIDE SINTERED BODY, SPUTTERING TARGET AND OXIDE SEMICONDUCTOR FILM

LAMINATED BODY

GARNET COMPOUND, OXIDE SINTERED COMPACT, OXIDE SEMICONDUCTOR THIN F...

OXIDE SINTERED BODY AND SPUTTERING TARGET

NEW GARNET COMPOUND, SINTERED BODY AND SPUTTERING TARGET CONTAINING...

LAMINATED ARTICLE

SEMICONDUCTOR DEVICE AND ELECTRIC APPARATUS USING SAME

CRYSTALLINE OXIDE SEMICONDUCTOR THIN FILM, METHOD FOR PRODUCING CRY...

OXIDE SEMICONDUCTOR SUBSTRATE AND SCHOTTKY BARRIER DIODE

OXIDE SEMICONDUCTOR SUBSTRATE AND SCHOTTKY BARRIER DIODE

OXIDE SINTERED BODY, METHOD FOR PRODUCING SAME AND SPUTTERING TARGET

OXIDE SEMICONDUCTOR SUBSTRATE AND SCHOTTKY BARRIER DIODE

OXIDE SEMICONDUCTOR SUBSTRATE AND SCHOTTKY BARRIER DIODE

SPUTTERING TARGET

THIN-FILM TRANSISTOR

SPUTTERING TARGET

SINTERED MATERIAL, AND PROCESS FOR PRODUCING SAME

OXIDE SEMICONDUCTOR FIELD EFFECT TRANSISTOR AND METHOD FOR MANUFACT...

THIN FILM TRANSISTOR AND METHOD FOR MANUFACTURING SAME

LAMINATE STRUCTURE INCLUDING OXIDE SEMICONDUCTOR THIN FILM LAYER, A...

FIELD EFFECT TRANSISTOR USING OXIDE SEMICONDUCTOR AND METHOD FOR MA...