Kunio Yamada

Person

Chiba, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Holder for optical fiber ferrule end face grinding apparatus
- Patent number 7,542,648
- Issue date Jun 2, 2009
- Seikoh Giken Co., Ltd.
- Kunio Yamada
- B24 - GRINDING POLISHING
Information Patent Grant
Ferrule holder assembly for optical-fiber-end-face grinding apparatus
- Patent number 7,494,402
- Issue date Feb 24, 2009
- Seiko Giken Co., Ltd.
- Kunio Yamada
- B24 - GRINDING POLISHING
Information Patent Grant
Holder for optical fiber ferrule end face grinding apparatus
- Patent number 7,369,737
- Issue date May 6, 2008
- Seikoh Giken Co., Ltd.
- Kunio Yamada
- B24 - GRINDING POLISHING
Information Patent Grant
Holder for an optical connector end-face polishing machine
- Patent number D565066
- Issue date Mar 25, 2008
- Seikoh Giken Co., Ltd.
- Kunio Yamada
- D15 - Machines not elsewhere specified
Information Patent Grant
Ferrule holder assembly for optical-fiber-end-face grinding apparatus
- Patent number 7,137,878
- Issue date Nov 21, 2006
- Seikoh Giken Co., Ltd.
- Kunio Yamada
- B24 - GRINDING POLISHING
Information Patent Grant
Optical connector end face grinding apparatus
- Patent number 7,103,254
- Issue date Sep 5, 2006
- Seikoh Giken Co., Ltd.
- Kunio Yamada
- G02 - OPTICS
Information Patent Grant
Ferrule heating apparatus and method of adhering ferrule and optica...
- Patent number 7,044,651
- Issue date May 16, 2006
- Seikoh Giken Co., Ltd.
- Tsuguo Satoh
- G02 - OPTICS
Information Patent Grant
Holder for optical fiber ferrule end face grinding apparatus
- Patent number 6,979,255
- Issue date Dec 27, 2005
- Seikoh Giken Co., Ltd.
- Kunio Yamada
- B24 - GRINDING POLISHING
Information Patent Grant
Optical fiber end face polishing machine
- Patent number 6,808,314
- Issue date Oct 26, 2004
- Seikoh Giken Co. Ltd.
- Kunio Yamada
- B24 - GRINDING POLISHING
Information Patent Grant
Ferrule holder assembly for optical-fiber-end-face grinding apparatus
- Patent number 6,547,653
- Issue date Apr 15, 2003
- Seikoh Giken Co., Ltd.
- Kunio Yamada
- B24 - GRINDING POLISHING
Information Patent Grant
Optical fiber end surface polishing apparatus
- Patent number 6,165,055
- Issue date Dec 26, 2000
- Seikoh Giken Co., Ltd.
- Mitsuo Takahashi
- G02 - OPTICS
Information Patent Grant
Optical coupler constructed using optical fiber ferrules
- Patent number 5,675,683
- Issue date Oct 7, 1997
- Seikoh Giken Co., Ltd.
- Mitsuo Takahashi
- G02 - OPTICS
Information Patent Grant
Optical fiber ferrule assembly having angular index showing polariz...
- Patent number 5,668,905
- Issue date Sep 16, 1997
- Seikoh Giken Co., Ltd.
- Mitsuo Takahashi
- G02 - OPTICS
Information Patent Grant
Optical fiber assembly and manufacturing method for the same
- Patent number 5,621,835
- Issue date Apr 15, 1997
- Seikoh Giken Co., Ltd.
- Mitsuo Takahashi
- G02 - OPTICS
Information Patent Grant
Optical fiber termination device
- Patent number 5,337,377
- Issue date Aug 9, 1994
- Seikoh Giken Co., Ltd.
- Kunio Yamada
- G02 - OPTICS
Information Patent Grant
Optical attenuator using an optical fiber and method and apparatus...
- Patent number 5,321,790
- Issue date Jun 14, 1994
- Seikoh Giken Co., Ltd.
- Mitsuo Takahashi
- G02 - OPTICS
Information Patent Grant
Light attenuating element and method of producing the same
- Patent number 5,267,342
- Issue date Nov 30, 1993
- Seikoh Giken Co., Ltd.
- Mitsuo Takahashi
- G02 - OPTICS

Patents Applicationslast 30 patents

Information Patent Application
METHOD OF POLISHING END FACE OF MULTI-FIBER OPTICAL CONNECTOR
- Publication number 20090298391
- Publication date Dec 3, 2009
- Kunio Yamada
- B24 - GRINDING POLISHING
Information Patent Application
Holder for optical fiber ferrule end face grinding apparatus
- Publication number 20080212930
- Publication date Sep 4, 2008
- Seikoh Giken Co., Ltd.
- Kunio Yamada
- B24 - GRINDING POLISHING
Information Patent Application
Ferrule holder assembly for optical-fiber-end-face grinding apparatus
- Publication number 20060229006
- Publication date Oct 12, 2006
- Seikoh Giken Co., Ltd.
- Kunio Yamada
- B24 - GRINDING POLISHING
Information Patent Application
Holder for optical fiber ferrule end face grinding apparatus
- Publication number 20060193566
- Publication date Aug 31, 2006
- Seikoh Giken Co., Ltd.
- Kunio Yamada
- B24 - GRINDING POLISHING
Information Patent Application
Optical connector end face grinding apparatus
- Publication number 20050078928
- Publication date Apr 14, 2005
- Seikoh Giken Co., Ltd.
- Kunio Yamada
- G02 - OPTICS
Information Patent Application
Holder for optical fiber ferrule end face grinding apparatus
- Publication number 20040110455
- Publication date Jun 10, 2004
- Seikoh Giken Co., Ltd.
- Kunio Yamada
- B24 - GRINDING POLISHING
Information Patent Application
Ferrule heating apparatus and method of adhering ferrule and optica...
- Publication number 20040057674
- Publication date Mar 25, 2004
- SEIKOH GIKEN Co., Ltd.
- Tsuguo Satoh
- G02 - OPTICS
Information Patent Application
Ferrule holder assembly for optical-fiber-end-face grinding apparatus
- Publication number 20030104775
- Publication date Jun 5, 2003
- Kunio Yamada
- B24 - GRINDING POLISHING
Information Patent Application
Optical fiber end face polishing machine
- Publication number 20030036342
- Publication date Feb 20, 2003
- Seikoh Giken Co., Ltd.
- Kunio Yamada
- B24 - GRINDING POLISHING
Information Patent Application
Method of grinding optical fiber connector
- Publication number 20020115386
- Publication date Aug 22, 2002
- Takashi Iijima
- B24 - GRINDING POLISHING
Information Patent Application
Ferrule holder assembly for optical-fiber-end-face grinding apparatus
- Publication number 20010055459
- Publication date Dec 27, 2001
- Kunio Yamada
- B24 - GRINDING POLISHING

Kunio Yamada

Person

Patents Grantslast 30 patents

Holder for optical fiber ferrule end face grinding apparatus

Ferrule holder assembly for optical-fiber-end-face grinding apparatus

Holder for optical fiber ferrule end face grinding apparatus

Holder for an optical connector end-face polishing machine

Ferrule holder assembly for optical-fiber-end-face grinding apparatus

Optical connector end face grinding apparatus

Ferrule heating apparatus and method of adhering ferrule and optica...

Holder for optical fiber ferrule end face grinding apparatus

Optical fiber end face polishing machine

Ferrule holder assembly for optical-fiber-end-face grinding apparatus

Optical fiber end surface polishing apparatus

Optical coupler constructed using optical fiber ferrules

Optical fiber ferrule assembly having angular index showing polariz...

Optical fiber assembly and manufacturing method for the same

Optical fiber termination device

Optical attenuator using an optical fiber and method and apparatus...

Light attenuating element and method of producing the same

Patents Applicationslast 30 patents

METHOD OF POLISHING END FACE OF MULTI-FIBER OPTICAL CONNECTOR

Holder for optical fiber ferrule end face grinding apparatus

Ferrule holder assembly for optical-fiber-end-face grinding apparatus

Holder for optical fiber ferrule end face grinding apparatus

Optical connector end face grinding apparatus

Holder for optical fiber ferrule end face grinding apparatus

Ferrule heating apparatus and method of adhering ferrule and optica...

Ferrule holder assembly for optical-fiber-end-face grinding apparatus

Optical fiber end face polishing machine

Method of grinding optical fiber connector

Ferrule holder assembly for optical-fiber-end-face grinding apparatus