Masashi Usami

Person

Tokyo, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Data transmission method and system thereof, portable terminal, and...
- Patent number 7,565,082
- Issue date Jul 21, 2009
- KDDI Corporation
- Tomonori Yazaki
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Optical processing device
- Patent number 6,091,536
- Issue date Jul 18, 2000
- KDD Corporation
- Masashi Usami
- B82 - NANO-TECHNOLOGY
Information Patent Grant
Optical short pulse reshaping device
- Patent number 5,912,911
- Issue date Jun 15, 1999
- Kokusai Denshin Denwa Kabushiki Kaisha
- Masashi Usami
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Reshaping device for optical short pulses
- Patent number 5,805,327
- Issue date Sep 8, 1998
- Kokusai Denshin Denwa Kabushiki Kaisha
- Masashi Usami
- G02 - OPTICS
Information Patent Grant
Multiple quantum well structure and semiconductor device using the...
- Patent number 5,392,306
- Issue date Feb 21, 1995
- Kokusai Denshin Denwa Kabushiki Kaisha
- Masashi Usami
- B82 - NANO-TECHNOLOGY
Information Patent Grant
Semiconductor device with strained-layer superlattice
- Patent number 5,306,924
- Issue date Apr 26, 1994
- Kokusai Denshin Denwa Kabushiki Kaisha
- Masashi Usami
- B82 - NANO-TECHNOLOGY
Information Patent Grant
Quantum well structure and semiconductor device using the same
- Patent number 5,122,844
- Issue date Jun 16, 1992
- Kokusai Denshin Denwa Kabushiki Kaisha
- Shigeyuki Akiba
- B82 - NANO-TECHNOLOGY
Information Patent Grant
Distributed feedback semiconductor laser device and current injection
- Patent number 4,932,034
- Issue date Jun 5, 1990
- Kokusai Denshin Denwa Kabushiki Kaisha
- Masashi Usami
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Distributed feedback semiconductor laser with monitor
- Patent number 4,815,090
- Issue date Mar 21, 1989
- Kokusai Denshin Denwa Kabushiki Kaisha
- Masashi Usami
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Semiconductor device with distributed bragg reflector
- Patent number 4,796,274
- Issue date Jan 3, 1989
- Kokusai Denshin Denwa Kabushiki Kaisha
- Shigeyuki Akiba
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Distributed feedback semiconductor laser with monitor
- Patent number 4,788,690
- Issue date Nov 29, 1988
- Kokusai Denshin Denwa Kabushiki Kaisha
- Shigeyuki Akiba
- H01 - BASIC ELECTRIC ELEMENTS

Patents Applicationslast 30 patents

Information Patent Application
Data transmission method and system thereof, portable terminal, and...
- Publication number 20060062099
- Publication date Mar 23, 2006
- Tomonori Yazaki
- H04 - ELECTRIC COMMUNICATION TECHNIQUE

Masashi Usami

Person

Patents Grantslast 30 patents

Data transmission method and system thereof, portable terminal, and...

Optical processing device

Optical short pulse reshaping device

Reshaping device for optical short pulses

Multiple quantum well structure and semiconductor device using the...

Semiconductor device with strained-layer superlattice

Quantum well structure and semiconductor device using the same

Distributed feedback semiconductor laser device and current injection

Distributed feedback semiconductor laser with monitor

Semiconductor device with distributed bragg reflector

Distributed feedback semiconductor laser with monitor

Patents Applicationslast 30 patents

Data transmission method and system thereof, portable terminal, and...