Yasuaki KAYANUMA

Person

Fujiyoshida-shi, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Lens member and light-emitting device using same
- Patent number 10,024,517
- Issue date Jul 17, 2018
- Citizen Electronics Co., Ltd.
- Junji Miyashita
- G02 - OPTICS
Information Patent Grant
Lens member and optical unit using said lens member
- Patent number 8,851,713
- Issue date Oct 7, 2014
- Citizen Electronics Co., Ltd.
- Yasuaki Kayanuma
- F21 - LIGHTING
Information Patent Grant
Lens member and optical unit including the same
- Patent number 8,517,571
- Issue date Aug 27, 2013
- Citizen Electronics Co., Ltd.
- Yasuaki Kayanuma
- F21 - LIGHTING
Information Patent Grant
Lens member and optical unit using said lens member
- Patent number 8,475,011
- Issue date Jul 2, 2013
- Citizen Electronics Co., Ltd.
- Yasuaki Kayanuma
- F21 - LIGHTING
Information Patent Grant
Lens member and optical unit using said lens member
- Patent number 8,220,975
- Issue date Jul 17, 2012
- Citizen Electronics Co., Ltd.
- Junji Miyashita
- F21 - LIGHTING
Information Patent Grant
Lightguide plate and lightguide plate manufacturing method
- Patent number 8,213,762
- Issue date Jul 3, 2012
- Citizen Electronics Co., Ltd.
- Yasuaki Kayanuma
- G02 - OPTICS
Information Patent Grant
Lightguide plate and electronic device
- Patent number 7,932,890
- Issue date Apr 26, 2011
- Citizen Electronics Co., Ltd.
- Akira Onikiri
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Small-sized image pick up module
- Patent number 7,019,374
- Issue date Mar 28, 2006
- Citizen Electronics Co., Ltd.
- Yasuaki Kayanuma
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Bidirectional optical transmission device
- Patent number 6,899,469
- Issue date May 31, 2005
- Citizen Electronics Co., Ltd.
- Kazuhiro Kobayashi
- H01 - BASIC ELECTRIC ELEMENTS

Patents Applicationslast 30 patents

Information Patent Application
LENS MEMBER AND LIGHT-EMITTING DEVICE USING SAME
- Publication number 20140204592
- Publication date Jul 24, 2014
- Junji Miyashita
- G02 - OPTICS
Information Patent Application
LENS MEMBER AND OPTICAL UNIT USING SAID LENS MEMBER
- Publication number 20120075870
- Publication date Mar 29, 2012
- CITIZEN HOLDINGS CO., LTD.
- Yasuaki Kayanuma
- G02 - OPTICS
Information Patent Application
LENS MEMBER AND OPTICAL UNIT USING SAID LENS MEMBER
- Publication number 20110261569
- Publication date Oct 27, 2011
- CITIZEN HOLDINGS CO., LTD.
- Yasuaki KAYANUMA
- F21 - LIGHTING
Information Patent Application
LENS MEMBER AND OPTICAL UNIT INCLUDING THE SAME
- Publication number 20110216543
- Publication date Sep 8, 2011
- Yasuaki KAYANUMA
- G02 - OPTICS
Information Patent Application
LENS MEMBER AND OPTICAL UNIT USING SAID LENS MEMBER
- Publication number 20100284194
- Publication date Nov 11, 2010
- Citizen Electronics Co., Ltd.
- Junji MIYASHITA
- G02 - OPTICS
Information Patent Application
LIGHTGUIDE PLATE AND LIGHTGUIDE PLATE MANUFACTURING METHOD
- Publication number 20100048085
- Publication date Feb 25, 2010
- Yasuaki KAYANUMA
- G02 - OPTICS
Information Patent Application
LIGHTGUIDE PLATE AND ELECTRONIC DEVICE
- Publication number 20090059618
- Publication date Mar 5, 2009
- Akira Onikiri
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Zoom lens system and camera having the same
- Publication number 20060164540
- Publication date Jul 27, 2006
- Yasuaki Kayanuma
- G02 - OPTICS
Information Patent Application
Compact imaging module
- Publication number 20050035421
- Publication date Feb 17, 2005
- CITIZEN ELECTRONICS CO., LTD.
- Yasuaki Kayanuma
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Bidirectional optical transmission device
- Publication number 20030059178
- Publication date Mar 27, 2003
- CITIZEN ELECTRONICS CO., LTD.
- Kazuhiro Kobayashi
- G02 - OPTICS

Yasuaki KAYANUMA

Person

Patents Grantslast 30 patents

Lens member and light-emitting device using same

Lens member and optical unit using said lens member

Lens member and optical unit including the same

Lens member and optical unit using said lens member

Lens member and optical unit using said lens member

Lightguide plate and lightguide plate manufacturing method

Lightguide plate and electronic device

Small-sized image pick up module

Bidirectional optical transmission device

Patents Applicationslast 30 patents

LENS MEMBER AND LIGHT-EMITTING DEVICE USING SAME

LENS MEMBER AND OPTICAL UNIT USING SAID LENS MEMBER

LENS MEMBER AND OPTICAL UNIT USING SAID LENS MEMBER

LENS MEMBER AND OPTICAL UNIT INCLUDING THE SAME

LENS MEMBER AND OPTICAL UNIT USING SAID LENS MEMBER

LIGHTGUIDE PLATE AND LIGHTGUIDE PLATE MANUFACTURING METHOD

LIGHTGUIDE PLATE AND ELECTRONIC DEVICE

Zoom lens system and camera having the same

Compact imaging module

Bidirectional optical transmission device