Norio Seki

Person

Tokyo, JP

People

Patents Grantslast 30 patents

Information Patent Grant
System for measuring delay time variation in optical fiber digital...
- Patent number 4,764,980
- Issue date Aug 16, 1988
- Kokusai Denshin Denwa Co., Ltd.
- Haruo Sakaguchi
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Signal coupling system for optical repeater system
- Patent number 4,747,094
- Issue date May 24, 1988
- Kokusai Denshin Denwa Co., Ltd.
- Haruo Sakaguchi
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Unitary mounting structure for semiconductor laser and optical fiber
- Patent number 4,523,802
- Issue date Jun 18, 1985
- Kokusai Denshin Denwa Kabushiki Kaisha
- Haruo Sakaguchi
- G02 - OPTICS
Information Patent Grant
Coupling system for output light of semiconductor laser
- Patent number 4,490,020
- Issue date Dec 25, 1984
- Kokusai Denshin Denwa Kabushiki Kaisha
- Haruo Sakaguchi
- G02 - OPTICS
Information Patent Grant
Optical switch
- Patent number 4,408,831
- Issue date Oct 11, 1983
- Kokusai Denshin Denwa Co., Ltd.
- Haruo Sakaguchi
- G02 - OPTICS
Information Patent Grant
Remote control system of an optical repeater
- Patent number 4,369,523
- Issue date Jan 18, 1983
- Kokusai Denshin Denwa Co., Ltd.
- Norio Seki
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Light source arrangement in an optical communication system
- Patent number 4,341,438
- Issue date Jul 27, 1982
- Kokusai Denshin Denwa Co., Ltd.
- Norio Seki
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Light source system in an optical transmission repeater
- Patent number 4,281,416
- Issue date Jul 28, 1981
- Kokusai Denshin Denwa Co., Ltd.
- Norio Seki
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Fault locating system in optical fiber transmission system
- Patent number 4,257,033
- Issue date Mar 17, 1981
- Kokusai Denshin Denwa Kabushiki Kaisha
- Chuichi Ota
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Logical operation circuit using magnetic bubbles
- Patent number 4,200,924
- Issue date Apr 29, 1980
- Kokusai Denshin Denwa Kabushiki Kaisha
- Hideo Ishihara
- H03 - BASIC ELECTRONIC CIRCUITRY

Patents Applicationslast 30 patents

Information Patent Application
Device and method for protecting against the possible adverse healt...
- Publication number 20040046703
- Publication date Mar 11, 2004
- Takuji Hatanaka
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Information offering system
- Publication number 20020004786
- Publication date Jan 10, 2002
- OLYMPUS OPTICAL CO LTD
- Motoyuki Tagawa
- G06 - COMPUTING CALCULATING COUNTING

Person

Patents Grantslast 30 patents

System for measuring delay time variation in optical fiber digital...

Signal coupling system for optical repeater system

Unitary mounting structure for semiconductor laser and optical fiber

Coupling system for output light of semiconductor laser

Optical switch

Remote control system of an optical repeater

Light source arrangement in an optical communication system

Light source system in an optical transmission repeater

Fault locating system in optical fiber transmission system

Logical operation circuit using magnetic bubbles

Patents Applicationslast 30 patents

Device and method for protecting against the possible adverse healt...

Information offering system