Motohiko Otsuki

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Miyagi-ken, JP

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Patents Grantslast 30 patents

Information Patent Grant
Lens unit
- Patent number 7,742,245
- Issue date Jun 22, 2010
- Alps Electric Co., Ltd.
- Motohiko Otsuki
- G02 - OPTICS
Information Patent Grant
Method for fabricating metal ring-fitted optical device, and metal...
- Patent number 7,292,399
- Issue date Nov 6, 2007
- Alps Electric Co., Ltd.
- Motohiko Otsuki
- G02 - OPTICS
Information Patent Grant
Method for fabrication of optical element having metal ring
- Patent number 6,935,136
- Issue date Aug 30, 2005
- Alps Electric Co., Ltd.
- Motohiko Otsuki
- C03 - GLASS MINERAL OR SLAG WOOL
Information Patent Grant
Beam-splitting/coupling apparatus having frame holding optical filter
- Patent number 6,560,389
- Issue date May 6, 2003
- Alps Electric Co., Ltd.
- Motohiko Otsuki
- G02 - OPTICS
Information Patent Grant
Lens having diaphragm structure at outer edge portion on incident s...
- Patent number 6,356,398
- Issue date Mar 12, 2002
- Alps Electric Co., Ltd.
- Motohiko Otsuki
- G02 - OPTICS
Information Patent Grant
Optical fiber fixing device for optically coupling optical fiber wi...
- Patent number 6,167,184
- Issue date Dec 26, 2000
- Alps Electric Co., Ltd.
- Kimihiro Kikuchi
- G02 - OPTICS

Patents Applicationslast 30 patents

Information Patent Application
IMAGING ELEMENT UNIT
- Publication number 20100271482
- Publication date Oct 28, 2010
- Alps Electric Co., Ltd.
- Motohiko OTSUKI
- G02 - OPTICS
Information Patent Application
LENS UNIT
- Publication number 20100053734
- Publication date Mar 4, 2010
- Alps Electric Co., Ltd.
- Motohiko OTSUKI
- G02 - OPTICS
Information Patent Application
Surface structure of metallic body
- Publication number 20040191561
- Publication date Sep 30, 2004
- Alps Electric Co., Ltd.
- Motohiko Otsuki
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information Patent Application
Method for fabricating metal ring-fitted optical device, and metal...
- Publication number 20030131630
- Publication date Jul 17, 2003
- Alps Electric Co., Ltd.
- Motohiko Otsuki
- G02 - OPTICS
Information Patent Application
Metal ring for optical element, method for fabrication of optical e...
- Publication number 20020184919
- Publication date Dec 12, 2002
- ALPS ELECTRICS CO., LTD.
- Motohiko Otsuki
- C03 - GLASS MINERAL OR SLAG WOOL
Information Patent Application
Beam-splitting/coupling apparatus having frame holding optical filter
- Publication number 20020025119
- Publication date Feb 28, 2002
- Alps Electric Co., Ltd.
- Motohiko Otsuki
- G02 - OPTICS