Hitoshi SAKUMA

Person

Tokyo, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Semiconductor laser device manufacturing method and semiconductor l...
- Patent number 11,791,610
- Issue date Oct 17, 2023
- Mitsubishi Electric Corporation
- Hitoshi Sakuma
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Semiconductor optical element, semiconductor optical integrated ele...
- Patent number 11,616,342
- Issue date Mar 28, 2023
- Mitsubishi Electric Corporation
- Tsutomu Yamaguchi
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Thin film laminate, thin film device and multilayer substrate
- Patent number 11,594,668
- Issue date Feb 28, 2023
- TDK Corporation
- Kenta Ishii
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information Patent Grant
Method for manufacturing optical semiconductor device
- Patent number 11,456,576
- Issue date Sep 27, 2022
- Mitsubishi Electric Corporation
- Hitoshi Sakuma
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Method of manufacturing a dielectric device
- Patent number 10,964,879
- Issue date Mar 30, 2021
- TDK Corporation
- Katsuyuki Kurachi
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Piezoelectric thin film-stacked body, piezoelectric thin film subst...
- Patent number 10,790,434
- Issue date Sep 29, 2020
- TDK Corporation
- Hitoshi Sakuma
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Semiconductor device manufacturing method and semiconductor device
- Patent number 10,116,121
- Issue date Oct 30, 2018
- Mitsubishi Electric Corporation
- Hitoshi Sakuma
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Piezoelectric device, piezoelectric actuator, piezoelectric sensor,...
- Patent number 9,837,596
- Issue date Dec 5, 2017
- TDK Corporation
- Ryu Ohta
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Piezoelectric thin film element, piezoelectric actuator, piezoelect...
- Patent number 9,685,602
- Issue date Jun 20, 2017
- TDK Corporation
- Hitoshi Sakuma
- G11 - INFORMATION STORAGE
Information Patent Grant
Thin film piezoelectric element, thin film piezoelectric actuator,...
- Patent number 9,331,262
- Issue date May 3, 2016
- TDK Corporation
- Kazuhiko Maejima
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Grant
Thin-film piezoelectric element, thin-film piezoelectric actuator,...
- Patent number 9,277,869
- Issue date Mar 8, 2016
- TDK Corporation
- Katsuyuki Kurachi
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Grant
Thin film piezoelectric element, thin film piezoelectric actuator,...
- Patent number 9,147,826
- Issue date Sep 29, 2015
- TDK Corporation
- Hitoshi Sakuma
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Grant
Piezoelectric element, piezoelectric actuator, piezoelectric sensor...
- Patent number 9,147,827
- Issue date Sep 29, 2015
- TDK Corporation
- Yasuhiro Aida
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Piezoelectric device
- Patent number 9,136,820
- Issue date Sep 15, 2015
- TDK Corporation
- Yasuhiro Aida
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Piezoelectric element, piezoelectric actuator, piezoelectric sensor...
- Patent number 9,130,169
- Issue date Sep 8, 2015
- TDK Corporation
- Yasuhiro Aida
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Grant
Piezoelectric element, piezoelectric actuator, piezoelectric sensor...
- Patent number 9,076,968
- Issue date Jul 7, 2015
- TDK Corporation
- Yasuhiro Aida
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Grant
Thin film piezoelectric device
- Patent number 9,065,049
- Issue date Jun 23, 2015
- TDK Corporation
- Hitoshi Sakuma
- G01 - MEASURING TESTING
Information Patent Grant
Piezoelectric element, piezoelectric actuator, piezoelectric sensor...
- Patent number 9,022,532
- Issue date May 5, 2015
- TDK Corporation
- Yasuhiro Aida
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Grant
Piezoelectric device having first and second non-metal electrocondu...
- Patent number 8,994,251
- Issue date Mar 31, 2015
- TDK Corporation
- Katsuyuki Kurachi
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Piezoelectric device with electrode films and electroconductive oxi...
- Patent number 8,981,627
- Issue date Mar 17, 2015
- TDK Corporation
- Hitoshi Sakuma
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Semiconductor photodetector and manufacturing method therefor
- Patent number 8,482,096
- Issue date Jul 9, 2013
- Mitsubishi Electric Corporation
- Matobu Kikuchi
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Nitride semiconductor device having a silicon-containing layer and...
- Patent number 8,163,576
- Issue date Apr 24, 2012
- Mitsubishi Electric Corporation
- Katsuomi Shiozawa
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Method for manufacturing nitride semiconductor light-emitting element
- Patent number 7,964,424
- Issue date Jun 21, 2011
- Mitsubishi Electric Corporation
- Kyozo Kanamoto
- B82 - NANO-TECHNOLOGY
Information Patent Grant
Method for manufacturing semiconductor light emitting device
- Patent number 7,897,418
- Issue date Mar 1, 2011
- Mitsubishi Electric Corporation
- Takafumi Oka
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Method for manufacturing semiconductor optical device
- Patent number 7,879,635
- Issue date Feb 1, 2011
- Mitsubishi Electric Corporation
- Toshihiko Shiga
- B82 - NANO-TECHNOLOGY
Information Patent Grant
Nitride semiconductor device
- Patent number 7,795,738
- Issue date Sep 14, 2010
- Mitsubishi Electric Corporation
- Katsuomi Shiozawa
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Nitride semiconductor device and manufacturing method of the same
- Patent number 7,791,097
- Issue date Sep 7, 2010
- Mitsubishi Electric Corporation
- Kyozo Kanamoto
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Thin film device
- Patent number 7,785,697
- Issue date Aug 31, 2010
- TDK Corporation
- Taku Masai
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Nitride semiconductor device and method of manufacturing the same
- Patent number 7,714,439
- Issue date May 11, 2010
- Mitsubishi Electric Corporation
- Katsuomi Shiozawa
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Nitride semiconductor device having a silicon-containing connection...
- Patent number 7,683,398
- Issue date Mar 23, 2010
- Mitsubishi Electric Corporation
- Katsuomi Shiozawa
- H01 - BASIC ELECTRIC ELEMENTS

Patents Applicationslast 30 patents

Information Patent Application
OPTICAL SEMICONDUCTOR ELEMENT
- Publication number 20230042492
- Publication date Feb 9, 2023
- Mitsubishi Electric Corporation
- Kazuhiro MAEDA
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
SEMICONDUCTOR LASER DEVICE MANUFACTURING METHOD AND SEMICONDUCTOR L...
- Publication number 20210126433
- Publication date Apr 29, 2021
- Mitsubishi Electric Corporation
- Hitoshi SAKUMA
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
METHOD FOR MANUFACTURING OPTICAL SEMICONDUCTOR DEVICE
- Publication number 20210119418
- Publication date Apr 22, 2021
- Mitsubishi Electric Corporation
- Hitoshi SAKUMA
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
SEMICONDUCTOR OPTICAL ELEMENT, SEMICONDUCTOR OPTICAL INTEGRATED ELE...
- Publication number 20210075194
- Publication date Mar 11, 2021
- Mitsubishi Electric Corporation
- Tsutomu YAMAGUCHI
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
THIN FILM LAMINATE, THIN FILM DEVICE AND MULTILAYER SUBSTRATE
- Publication number 20200212286
- Publication date Jul 2, 2020
- TDK Corporation
- Kenta ISHII
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information Patent Application
PIEZOELECTRIC THIN FILM-STACKED BODY, PIEZOELECTRIC THIN FILM SUBST...
- Publication number 20180159020
- Publication date Jun 7, 2018
- TDK Corporation
- Hitoshi SAKUMA
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Application
DIELECTRIC DEVICE
- Publication number 20180076379
- Publication date Mar 15, 2018
- TDK Corporation
- Katsuyuki KURACHI
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
METHOD OF MANUFACTURING SEMICONDUCTOR LASER ELEMENT
- Publication number 20170201064
- Publication date Jul 13, 2017
- Mitsubishi Electric Corporation
- Hitoshi SAKUMA
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
SEMICONDUCTOR DEVICE MANUFACTURING METHOD AND SEMICONDUCTOR DEVICE
- Publication number 20160329684
- Publication date Nov 10, 2016
- Mitsubishi Electric Corporation
- Hitoshi SAKUMA
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
PIEZOELECTRIC THIN FILM ELEMENT, PIEZOELECTRIC ACTUATOR, PIEZOELECT...
- Publication number 20160218271
- Publication date Jul 28, 2016
- TDK Corporation
- Hitoshi SAKUMA
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Application
PIEZOELECTRIC DEVICE, PIEZOELECTRIC ACTUATOR, PIEZOELECTRIC SENSOR,...
- Publication number 20150364670
- Publication date Dec 17, 2015
- TDK Corporation
- Ryu OHTA
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
THIN FILM PIEZOELECTRIC ELEMENT, THIN FILM PIEZOELECTRIC ACTUATOR,...
- Publication number 20150207057
- Publication date Jul 23, 2015
- TDK Corporation
- Hitoshi SAKUMA
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Application
PIEZOELECTRIC ELEMENT, PIEZOELECTRIC ACTUATOR, PIEZOELECTRIC SENSOR...
- Publication number 20150194592
- Publication date Jul 9, 2015
- TDK Corporation
- Yasuhiro AIDA
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
PIEZOELECTRIC ELEMENT, PIEZOELECTRIC ACTUATOR, PIEZOELECTRIC SENSOR...
- Publication number 20150109372
- Publication date Apr 23, 2015
- TDK Corporation
- Yasuhiro AIDA
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Application
THIN-FILM PIEZOELECTRIC ELEMENT, THIN-FILM PIEZOELECTRIC ACTUATOR,...
- Publication number 20140339961
- Publication date Nov 20, 2014
- Kazuhiko MAEJIMA
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Application
PIEZOELECTRIC ELEMENT, PIEZOELECTRIC ACTUATOR, PIEZOELECTRIC SENSOR...
- Publication number 20140265723
- Publication date Sep 18, 2014
- Yasuhiro AIDA
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Application
PIEZOELECTRIC ELEMENT, PIEZOELECTRIC ACTUATOR, PIEZOELECTRIC SENSOR...
- Publication number 20140265724
- Publication date Sep 18, 2014
- TDK Corporation
- Yasuhiro AIDA
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Application
THIN-FILM PIEZOELECTRIC ELEMENT, THIN-FILM PIEZOELECTRIC ACTUATOR,...
- Publication number 20140145555
- Publication date May 29, 2014
- TDK Corporation
- Katsuyuki KURACHI
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Application
THIN FILM PIEZOELECTRIC DEVICE
- Publication number 20140084749
- Publication date Mar 27, 2014
- TDK Corporation
- Hitoshi SAKUMA
- G01 - MEASURING TESTING
Information Patent Application
THIN FILM PIEZOELECTRIC DEVICE
- Publication number 20140084754
- Publication date Mar 27, 2014
- TDK Corporation
- Kazuhiko MAEJIMA
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
PIEZOELECTRIC DEVICE
- Publication number 20140035439
- Publication date Feb 6, 2014
- TDK Corporation
- Katsuyuki KURACHI
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Application
PIEZOELECTRIC DEVICE
- Publication number 20140035440
- Publication date Feb 6, 2014
- TDK Corporation
- Yasuhiro AIDA
- G01 - MEASURING TESTING
Information Patent Application
DIELECTRIC DEVICE
- Publication number 20130320813
- Publication date Dec 5, 2013
- TDK Corporation
- Katsuyuki KURACHI
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
PIEZOELECTRIC DEVICE
- Publication number 20130320814
- Publication date Dec 5, 2013
- TDK Corporation
- Hitoshi SAKUMA
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
SEMICONDUCTOR LIGHT-EMITTING ELEMENT AND METHOD FOR MANUFACTURING T...
- Publication number 20110193126
- Publication date Aug 11, 2011
- Mitsubishi Electric Corporation
- Takafumi Oka
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
SEMICONDUCTOR LASER DEVICE
- Publication number 20110013655
- Publication date Jan 20, 2011
- Mitsubishi Electric Corporation
- Tadashi Takase
- G11 - INFORMATION STORAGE
Information Patent Application
SEMICONDUCTOR LIGHT-EMITTING DEVICE AND METHOD OF MANUFACTURING THE...
- Publication number 20100244074
- Publication date Sep 30, 2010
- Mitsubishi Electric Corporation
- Takafumi Oka
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
METHOD FOR MANUFACTURING MULTIPLE-WAVELENGTH SEMICONDUCTOR LASER
- Publication number 20100190282
- Publication date Jul 29, 2010
- Mitsubishi Electric Corporation
- Yasuaki Yoshida
- B82 - NANO-TECHNOLOGY
Information Patent Application
NITRIDE SEMICONDUCTOR DEVICE HAVING A SILICON-CONTAINING LAYER AND...
- Publication number 20100129991
- Publication date May 27, 2010
- MITSUBISHI ELECTRIC CORPORATION
- Katsuomi SHIOZAWA
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
SEMICONDUCTOR LIGHT EMITTING DEVICE AND MANUFACTURING METHOD THEREFOR
- Publication number 20090184336
- Publication date Jul 23, 2009
- Mitsubishi Electric Corporation
- Takafumi Oka
- H01 - BASIC ELECTRIC ELEMENTS

Hitoshi SAKUMA

Person

Patents Grantslast 30 patents

Semiconductor laser device manufacturing method and semiconductor l...

Semiconductor optical element, semiconductor optical integrated ele...

Thin film laminate, thin film device and multilayer substrate

Method for manufacturing optical semiconductor device

Method of manufacturing a dielectric device

Piezoelectric thin film-stacked body, piezoelectric thin film subst...

Semiconductor device manufacturing method and semiconductor device

Piezoelectric device, piezoelectric actuator, piezoelectric sensor,...

Piezoelectric thin film element, piezoelectric actuator, piezoelect...

Thin film piezoelectric element, thin film piezoelectric actuator,...

Thin-film piezoelectric element, thin-film piezoelectric actuator,...

Thin film piezoelectric element, thin film piezoelectric actuator,...

Piezoelectric element, piezoelectric actuator, piezoelectric sensor...

Piezoelectric device

Piezoelectric element, piezoelectric actuator, piezoelectric sensor...

Piezoelectric element, piezoelectric actuator, piezoelectric sensor...

Thin film piezoelectric device

Piezoelectric element, piezoelectric actuator, piezoelectric sensor...

Piezoelectric device having first and second non-metal electrocondu...

Piezoelectric device with electrode films and electroconductive oxi...

Semiconductor photodetector and manufacturing method therefor

Nitride semiconductor device having a silicon-containing layer and...

Method for manufacturing nitride semiconductor light-emitting element

Method for manufacturing semiconductor light emitting device

Method for manufacturing semiconductor optical device

Nitride semiconductor device

Nitride semiconductor device and manufacturing method of the same

Thin film device

Nitride semiconductor device and method of manufacturing the same

Nitride semiconductor device having a silicon-containing connection...

Patents Applicationslast 30 patents

OPTICAL SEMICONDUCTOR ELEMENT

SEMICONDUCTOR LASER DEVICE MANUFACTURING METHOD AND SEMICONDUCTOR L...

METHOD FOR MANUFACTURING OPTICAL SEMICONDUCTOR DEVICE

SEMICONDUCTOR OPTICAL ELEMENT, SEMICONDUCTOR OPTICAL INTEGRATED ELE...

THIN FILM LAMINATE, THIN FILM DEVICE AND MULTILAYER SUBSTRATE

PIEZOELECTRIC THIN FILM-STACKED BODY, PIEZOELECTRIC THIN FILM SUBST...

DIELECTRIC DEVICE

METHOD OF MANUFACTURING SEMICONDUCTOR LASER ELEMENT

SEMICONDUCTOR DEVICE MANUFACTURING METHOD AND SEMICONDUCTOR DEVICE

PIEZOELECTRIC THIN FILM ELEMENT, PIEZOELECTRIC ACTUATOR, PIEZOELECT...

PIEZOELECTRIC DEVICE, PIEZOELECTRIC ACTUATOR, PIEZOELECTRIC SENSOR,...

THIN FILM PIEZOELECTRIC ELEMENT, THIN FILM PIEZOELECTRIC ACTUATOR,...

PIEZOELECTRIC ELEMENT, PIEZOELECTRIC ACTUATOR, PIEZOELECTRIC SENSOR...

PIEZOELECTRIC ELEMENT, PIEZOELECTRIC ACTUATOR, PIEZOELECTRIC SENSOR...

THIN-FILM PIEZOELECTRIC ELEMENT, THIN-FILM PIEZOELECTRIC ACTUATOR,...

PIEZOELECTRIC ELEMENT, PIEZOELECTRIC ACTUATOR, PIEZOELECTRIC SENSOR...

PIEZOELECTRIC ELEMENT, PIEZOELECTRIC ACTUATOR, PIEZOELECTRIC SENSOR...

THIN-FILM PIEZOELECTRIC ELEMENT, THIN-FILM PIEZOELECTRIC ACTUATOR,...

THIN FILM PIEZOELECTRIC DEVICE

THIN FILM PIEZOELECTRIC DEVICE

PIEZOELECTRIC DEVICE

PIEZOELECTRIC DEVICE

DIELECTRIC DEVICE

PIEZOELECTRIC DEVICE

SEMICONDUCTOR LIGHT-EMITTING ELEMENT AND METHOD FOR MANUFACTURING T...

SEMICONDUCTOR LASER DEVICE

SEMICONDUCTOR LIGHT-EMITTING DEVICE AND METHOD OF MANUFACTURING THE...

METHOD FOR MANUFACTURING MULTIPLE-WAVELENGTH SEMICONDUCTOR LASER

NITRIDE SEMICONDUCTOR DEVICE HAVING A SILICON-CONTAINING LAYER AND...

SEMICONDUCTOR LIGHT EMITTING DEVICE AND MANUFACTURING METHOD THEREFOR