Hiroshi Naka

Person

Komoro, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Analyzing apparatus and fine particle collecting apparatus
- Patent number 7,275,453
- Issue date Oct 2, 2007
- Hitachi, Ltd.
- Masanori Ishikawa
- G01 - MEASURING TESTING
Information Patent Grant
Optical electronic device
- Patent number 7,052,189
- Issue date May 30, 2006
- Renesas Technology Corporation
- Hiroshi Naka
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Optical communication equipment and optical communication network e...
- Patent number 6,721,511
- Issue date Apr 13, 2004
- Hitachi, Ltd.
- Kimio Tatsuno
- G02 - OPTICS
Information Patent Grant
Module for optical communication
- Patent number 6,668,140
- Issue date Dec 23, 2003
- Hitachi, Ltd.
- Kimio Tatsuno
- G02 - OPTICS
Information Patent Grant
Optoelectronic devices and manufacturing method thereof
- Patent number 6,476,379
- Issue date Nov 5, 2002
- Hitachi, Ltd.
- Kazunori Ando
- G02 - OPTICS
Information Patent Grant
Photo-electronic device and method of producing the same
- Patent number 6,461,059
- Issue date Oct 8, 2002
- Hitachi, Ltd.
- Kazunori Ando
- G02 - OPTICS
Information Patent Grant
Photo-electronic device and method of producing the same
- Patent number 6,443,632
- Issue date Sep 3, 2002
- Hitachi, Ltd.
- Kazunori Ando
- G02 - OPTICS
Information Patent Grant
Photoelectronic device and method of manufacturing the same
- Patent number 6,371,664
- Issue date Apr 16, 2002
- Hitachi, Ltd.
- Shoichi Takahashi
- G02 - OPTICS
Information Patent Grant
Module for optical communication
- Patent number 6,341,027
- Issue date Jan 22, 2002
- Hitachi, Ltd.
- Kimio Tatsuno
- G02 - OPTICS
Information Patent Grant
Photoelectronic device and method of manufacturing the same
- Patent number 6,282,350
- Issue date Aug 28, 2001
- Hitachi, Ltd.
- Shoichi Takahashi
- G02 - OPTICS
Information Patent Grant
Light emitting device with improved electrode structure to minimize...
- Patent number RE34378
- Issue date Sep 14, 1993
- Hitachi, Ltd.
- Masaaki Sawai
- 372 - Coherent light generators
Information Patent Grant
Light emitting device with improved electrode structure to minimize...
- Patent number 4,785,455
- Issue date Nov 15, 1988
- Hitachi, Ltd.
- Masaaki Sawai
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Light emitting chip and optical communication apparatus using the same
- Patent number 4,779,281
- Issue date Oct 18, 1988
- Hitachi, Ltd.
- Hiroshi Naka
- G02 - OPTICS
Information Patent Grant
Light emitting chip and optical communication apparatus using the same
- Patent number 4,701,927
- Issue date Oct 20, 1987
- Hitachi, Ltd.
- Hiroshi Naka
- G02 - OPTICS
Information Patent Grant
Light emitting device with improved electrode structure to minimize...
- Patent number 4,692,927
- Issue date Sep 8, 1987
- Hitachi, Ltd.
- Masaaki Sawai
- H01 - BASIC ELECTRIC ELEMENTS

Patents Applicationslast 30 patents

Information Patent Application
Analyzing apparatus and fine particle collecting apparatus
- Publication number 20050058575
- Publication date Mar 17, 2005
- Hitachi, Ltd
- Masanori Ishikawa
- G01 - MEASURING TESTING
Information Patent Application
Optical electronic device
- Publication number 20030113076
- Publication date Jun 19, 2003
- Hitachi, Ltd.
- Hiroshi Naka
- G02 - OPTICS
Information Patent Application
Module for optical communication
- Publication number 20020044323
- Publication date Apr 18, 2002
- Hitachi, Ltd.
- Kimio Tatsuno
- G02 - OPTICS
Information Patent Application
Photo-electronic device and method of producing the same
- Publication number 20010025650
- Publication date Oct 4, 2001
- Kazunori Ando
- G02 - OPTICS
Information Patent Application
Photo-electronic device and method of producing the same
- Publication number 20010026665
- Publication date Oct 4, 2001
- Kazunori Ando
- G02 - OPTICS
Information Patent Application
Photoelectronic device and method of manufacturing the same
- Publication number 20010024549
- Publication date Sep 27, 2001
- Hitachi, Ltd.
- Shoichi Takahashi
- G02 - OPTICS
Information Patent Application
Optoelectronic devices and manufacturing method thereof
- Publication number 20010023920
- Publication date Sep 27, 2001
- Kazunori Ando
- G02 - OPTICS

Hiroshi Naka

Person

Patents Grantslast 30 patents

Analyzing apparatus and fine particle collecting apparatus

Optical electronic device

Optical communication equipment and optical communication network e...

Module for optical communication

Optoelectronic devices and manufacturing method thereof

Photo-electronic device and method of producing the same

Photo-electronic device and method of producing the same

Photoelectronic device and method of manufacturing the same

Module for optical communication

Photoelectronic device and method of manufacturing the same

Light emitting device with improved electrode structure to minimize...

Light emitting device with improved electrode structure to minimize...

Light emitting chip and optical communication apparatus using the same

Light emitting chip and optical communication apparatus using the same

Light emitting device with improved electrode structure to minimize...

Patents Applicationslast 30 patents

Analyzing apparatus and fine particle collecting apparatus

Optical electronic device

Module for optical communication

Photo-electronic device and method of producing the same

Photo-electronic device and method of producing the same

Photoelectronic device and method of manufacturing the same

Optoelectronic devices and manufacturing method thereof