Tadashi Kasamatsu

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Tokyo, JP

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Patents Grantslast 30 patents

Information Patent Grant
OPTICAL FIBER AMPLIFIER THAT CAN ATTAIN SUFFICIENT GAIN SHIFT EFFEC...
- Patent number 6,914,915
- Issue date Jul 5, 2005
- NEC Corporation
- Tadashi Kasamatsu
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Laser amplifier, method and apparatus for laser amplification, and...
- Patent number 6,697,393
- Issue date Feb 24, 2004
- NEC Corporation
- Tadashi Kasamatsu
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Solid-state laser device and solid-state laser amplifier provided t...
- Patent number 6,628,692
- Issue date Sep 30, 2003
- NEC Corporation
- Tadashi Kasamatsu
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Laser oscillator and laser amplifier
- Patent number 6,411,432
- Issue date Jun 25, 2002
- NEC Corporation
- Tadashi Kasamatsu
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Optical device
- Patent number 6,288,833
- Issue date Sep 11, 2001
- NEC Corporation
- Tadashi Kasamatsu
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Solid-state laser device
- Patent number 5,982,792
- Issue date Nov 9, 1999
- NEC Corporation
- Tadashi Kasamatsu
- H01 - BASIC ELECTRIC ELEMENTS

Patents Applicationslast 30 patents

Information Patent Application
Optical fiber amplifier that can attain sufficient gain shift effec...
- Publication number 20030138013
- Publication date Jul 24, 2003
- NEC Corporation
- Tadashi Kasamatsu
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
Laser amplifier
- Publication number 20020181511
- Publication date Dec 5, 2002
- Tadashi Kasamatsu
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
SOLID-STATE LASER DEVICE AND SOLID-STATE LASER AMPLIFIER PROVIDED T...
- Publication number 20020094006
- Publication date Jul 18, 2002
- Tadashi Kasamatsu
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
Laser amplifier, method and apparatus for laser amplification, and...
- Publication number 20020075909
- Publication date Jun 20, 2002
- Tadashi Kasamatsu
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
Optical fiber amplifier that can attain sufficient gain shift effec...
- Publication number 20010026654
- Publication date Oct 4, 2001
- Tadashi Kasamatsu
- H01 - BASIC ELECTRIC ELEMENTS