Hirohiko Oowaki

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Fukuoka-shi, JP

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Patents Grantslast 30 patents

Information Patent Grant
Wavelength conversion device and image display device
- Patent number 9,048,611
- Issue date Jun 2, 2015
- PANASONIC INTELLECTUAL PROPERTY MANAGEMENT CO., LTD.
- Kenji Nakayama
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Motor having characteristic structure in armature and disc apparatus
- Patent number 6,984,914
- Issue date Jan 10, 2006
- Matsushita Electric Industrial Co., Ltd.
- Tsuyoshi Kakuta
- G11 - INFORMATION STORAGE
Information Patent Grant
Medium attaching device and disk drive apparatus
- Patent number 6,249,506
- Issue date Jun 19, 2001
- Matsushita Electric Industrial Co., Ltd.
- Hirohiko Oowaki
- G11 - INFORMATION STORAGE

Patents Applicationslast 30 patents

Information Patent Application
BONE CONDUCTION DEVICE
- Publication number 20180352348
- Publication date Dec 6, 2018
- Sonitus Technologies Inc.
- Munenori AOYAGI
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Application
WAVELENGTH CONVERSION DEVICE AND IMAGE DISPLAY DEVICE
- Publication number 20130329276
- Publication date Dec 12, 2013
- Kenji Nakayama
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
LASER LIGHT SOURCE APPARATUS
- Publication number 20120063477
- Publication date Mar 15, 2012
- PANASONIC CORPORATION
- Kohei SUYAMA
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
LASER LIGHT SOURCE APPARATUS
- Publication number 20120057219
- Publication date Mar 8, 2012
- PANASONIC CORPORATION
- Kohei SUYAMA
- G02 - OPTICS
Information Patent Application
Optical disk apparatus
- Publication number 20050198654
- Publication date Sep 8, 2005
- Matsushita Electric Industrial Co., Ltd.
- Tomotaka Muta
- G11 - INFORMATION STORAGE
Information Patent Application
Motor having characteristic structure in armature and disc apparatus
- Publication number 20020084715
- Publication date Jul 4, 2002
- Tsuyoshi Kakuta
- G11 - INFORMATION STORAGE
Information Patent Application
Medium attaching device and disk drive apparatus
- Publication number 20010024419
- Publication date Sep 27, 2001
- Hirohiko Oowaki
- G11 - INFORMATION STORAGE