Seiji Watanabe

Person

Toyko, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Substrate processing apparatus and reaction container
- Patent number 8,261,692
- Issue date Sep 11, 2012
- Hitachi Kokusai Electric Inc.
- Tadashi Kontani
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information Patent Grant
Substrate processing apparatus and reaction container
- Patent number 8,047,158
- Issue date Nov 1, 2011
- Hitachi Kokusai Electric Inc.
- Tadashi Kontani
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information Patent Grant
Substrate processing apparatus and reaction container
- Patent number 7,900,580
- Issue date Mar 8, 2011
- Hitachi Kokusai Electric Inc.
- Tadashi Kontani
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information Patent Grant
Control signal transmission method and apparatus for optical transm...
- Patent number 6,542,272
- Issue date Apr 1, 2003
- NEC Corporation
- Seiji Watanabe
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Phase comparison circuit having a controlled delay of an input signal
- Patent number 6,498,537
- Issue date Dec 24, 2002
- Texas Instruments Incorporated
- Seiji Watanabe
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Optical wavelength multiplex transmission system using repeaters
- Patent number 6,211,981
- Issue date Apr 3, 2001
- NEC Corporation
- Seiji Watanabe
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Saturable absorption type optical switch and controlling method the...
- Patent number 6,169,625
- Issue date Jan 2, 2001
- NEC Corporation
- Seiji Watanabe
- G02 - OPTICS
Information Patent Grant
Output power control system for optical amplification repeater
- Patent number 6,137,605
- Issue date Oct 24, 2000
- NEC Corporation
- Seiji Watanabe
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Optical wavelength-division multiplexing transmission system
- Patent number 6,124,959
- Issue date Sep 26, 2000
- NEC Corporation
- Seiji Watanabe
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Optical branching device and method of optical transmission
- Patent number 6,108,468
- Issue date Aug 22, 2000
- NEC Corporation
- Tomoyuki Kaneko
- G02 - OPTICS
Information Patent Grant
Optical characteristic measurement system
- Patent number 6,104,477
- Issue date Aug 15, 2000
- NEC Corporation
- Masanori Yoshida
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Optical transmission line for wavelength division multiplexed optic...
- Patent number 5,956,440
- Issue date Sep 21, 1999
- NEC Corporation
- Satoshi Mikami
- G02 - OPTICS
Information Patent Grant
Optical amplifier circuit capable of carrying out stable amplification
- Patent number 5,600,482
- Issue date Feb 4, 1997
- NEC Corporation
- Seiji Watanabe
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Optical transmission system
- Patent number 5,502,810
- Issue date Mar 26, 1996
- NEC Corporation
- Seiji Watanabe
- H04 - ELECTRIC COMMUNICATION TECHNIQUE

Patents Applicationslast 30 patents

Information Patent Application
SUBSTRATE PROCESSING APPARATUS AND REACTION CONTAINER
- Publication number 20100263593
- Publication date Oct 21, 2010
- Tadashi Kontani
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information Patent Application
Substrate Processing Apparatus and Reaction Container
- Publication number 20080251015
- Publication date Oct 16, 2008
- Tadashi Kontani
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information Patent Application
Substrate Processing Apparatus and Reaction Container
- Publication number 20080251014
- Publication date Oct 16, 2008
- Tadashi Kontani
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information Patent Application
Substrate Processing Apparatus and Reaction Container
- Publication number 20080121180
- Publication date May 29, 2008
- Tadashi Kontani
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information Patent Application
Substrate processing apparatus and reaction container
- Publication number 20040025786
- Publication date Feb 12, 2004
- Tadashi Kontani
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...

Seiji Watanabe

Person

Patents Grantslast 30 patents

Substrate processing apparatus and reaction container

Substrate processing apparatus and reaction container

Substrate processing apparatus and reaction container

Control signal transmission method and apparatus for optical transm...

Phase comparison circuit having a controlled delay of an input signal

Optical wavelength multiplex transmission system using repeaters

Saturable absorption type optical switch and controlling method the...

Output power control system for optical amplification repeater

Optical wavelength-division multiplexing transmission system

Optical branching device and method of optical transmission

Optical characteristic measurement system

Optical transmission line for wavelength division multiplexed optic...

Optical amplifier circuit capable of carrying out stable amplification

Optical transmission system

Patents Applicationslast 30 patents

SUBSTRATE PROCESSING APPARATUS AND REACTION CONTAINER

Substrate Processing Apparatus and Reaction Container

Substrate Processing Apparatus and Reaction Container

Substrate Processing Apparatus and Reaction Container

Substrate processing apparatus and reaction container