Fumihito Ichikawa

Person

Yokohama, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Light source module
- Patent number 11,555,983
- Issue date Jan 17, 2023
- Hitachi-LG Data Storage, Inc.
- Masashi Yamashita
- G02 - OPTICS
Information Patent Grant
Sealing of optical module with O-ring and liquid resin
- Patent number 10,371,369
- Issue date Aug 6, 2019
- Hitachi-LG Data Storage, Inc.
- Yukio Sakigawa
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Optical module and projection image display device
- Patent number 9,876,999
- Issue date Jan 23, 2018
- Hitachi-LG Data Storage, Inc.
- Seiichi Katou
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Cooling arrangement for an optical pick-up
- Patent number 8,589,964
- Issue date Nov 19, 2013
- Hitachi Media Electronics Co., Ltd.
- Manabu Ochi
- G11 - INFORMATION STORAGE
Information Patent Grant
Connection structure of flexible printed circuits and optical picku...
- Patent number 8,420,944
- Issue date Apr 16, 2013
- Hitachi Media Electronics Co., Ltd.
- Rika Nomura
- G11 - INFORMATION STORAGE
Information Patent Grant
Optical head and optical disc drive
- Patent number 7,830,755
- Issue date Nov 9, 2010
- Hitachi Media Electronics Co., Ltd.
- Manabu Ochi
- G11 - INFORMATION STORAGE
Information Patent Grant
Objective lens driving device and optical disk unit
- Patent number 6,212,140
- Issue date Apr 3, 2001
- Hitachi, Ltd.
- Katsuhiko Kimura
- G11 - INFORMATION STORAGE

Patents Applicationslast 30 patents

Information Patent Application
LIGHT SOURCE MODULE
- Publication number 20210263261
- Publication date Aug 26, 2021
- Hitachi-LG Data Storage, Inc.
- Masashi YAMASHITA
- G02 - OPTICS
Information Patent Application
SUPPORT FOR OPTICAL ELEMENT AND IMAGE DRAWING APPARATUS
- Publication number 20180106997
- Publication date Apr 19, 2018
- Hitachi-LG Data Storage, Inc.
- Manabu OCHI
- G02 - OPTICS
Information Patent Application
OPTICAL MODULE AND METHOD OF MAKING THE SAME
- Publication number 20160033122
- Publication date Feb 4, 2016
- Hitachi-LG Data Storage, Inc.
- Yukio SAKIGAWA
- F21 - LIGHTING
Information Patent Application
OPTICAL MODULE AND PROJECTION IMAGE DISPLAY DEVICE
- Publication number 20160021349
- Publication date Jan 21, 2016
- Hitachi-LG Data Storage, Inc.
- Seiichi KATOU
- G02 - OPTICS
Information Patent Application
OPTICAL PICKUP
- Publication number 20130223202
- Publication date Aug 29, 2013
- Hitachi Media Electronics Co., Ltd.
- Yasushi KINOSHITA
- G11 - INFORMATION STORAGE
Information Patent Application
CONNECTION STRUCTURE OF FLEXIBLE PRINTED CIRCUITS AND OPTICAL PICKU...
- Publication number 20090323503
- Publication date Dec 31, 2009
- Rika Nomura
- G11 - INFORMATION STORAGE
Information Patent Application
OPTICAL HEAD AND OPTICAL DISC DRIVE
- Publication number 20080080358
- Publication date Apr 3, 2008
- Manabu OCHI
- G11 - INFORMATION STORAGE
Information Patent Application
Optical pick-up
- Publication number 20060117332
- Publication date Jun 1, 2006
- Manabu Ochi
- G11 - INFORMATION STORAGE

Fumihito Ichikawa

Person

Patents Grantslast 30 patents

Light source module

Sealing of optical module with O-ring and liquid resin

Optical module and projection image display device

Cooling arrangement for an optical pick-up

Connection structure of flexible printed circuits and optical picku...

Optical head and optical disc drive

Objective lens driving device and optical disk unit

Patents Applicationslast 30 patents

LIGHT SOURCE MODULE

SUPPORT FOR OPTICAL ELEMENT AND IMAGE DRAWING APPARATUS

OPTICAL MODULE AND METHOD OF MAKING THE SAME

OPTICAL MODULE AND PROJECTION IMAGE DISPLAY DEVICE

OPTICAL PICKUP

CONNECTION STRUCTURE OF FLEXIBLE PRINTED CIRCUITS AND OPTICAL PICKU...

OPTICAL HEAD AND OPTICAL DISC DRIVE

Optical pick-up