Torii; Kenichi

Patent Applications and Registrations

Patent applications and USPTO patent grants for Torii; Kenichi.The latest application filed is for "raman amplifier".

Company Profile

0.12.6

Torii; Kenichi - Arakawa JP
Torii; Kenichi - Kawasaki JP
Torii; Kenichi - Tokyo JP
Torii, Kenichi - Kanagawa JP
Torii; Kenichi - Fujisawa JP
Torii; Kenichi - Yokohama JP

*profile and listings may contain filings by different individuals or companies with the same name. Review application materials to confirm ownership/assignment.

Patent Activity

Patent	Date
Quality monitoring method and apparatus for wavelength division multiplexed optical signal and optical transmission system using the same Grant 7,400,830 - Torii , et al. July 15, 2	2008-07-15
Raman amplifier utilizing pump modulation for expanding gain band width Grant 7,379,233 - Nakamoto , et al. May 27, 2	2008-05-27
Raman amplifier and optical transmission system using the same Grant 7,242,519 - Torii , et al. July 10, 2	2007-07-10
Wavelength conversion apparatus Grant 6,879,433 - Yamashita , et al. April 12, 2	2005-04-12
Raman amplifier App 20050063043 - Nakamoto, Hiroshi ; et al.	2005-03-24
Raman amplifier and optical transmission system using the same App 20040190120 - Torii, Kenichi ; et al.	2004-09-30
Quality monitoring method and apparatus for wavelength division multiplexed optical signal and optical transmission system using the same App 20040190899 - Torii, Kenichi ; et al.	2004-09-30
Wavelength dispersion compensation system App 20040179850 - Katagiri, Toru ; et al.	2004-09-16
Raman amplifier and optical transmission system Grant 6,671,083 - Tanaka , et al. December 30, 2	2003-12-30
Raman amplifier and optical transmission system App 20030117692 - Tanaka, Toshiki ; et al.	2003-06-26
Apparatus and a method for heating a protective member for an optical fiber fusion splicing part App 20020148827 - Watanabe, Tsutomu ; et al.	2002-10-17
Heating apparatus for splice protector with separate heating conductor patterns Grant 6,437,299 - Watanabe , et al. August 20, 2	2002-08-20
Radio communication equipment Grant 6,393,299 - Mizumoto , et al. May 21, 2	2002-05-21
Radio communication apparatus Grant 6,219,534 - Torii April 17, 2	2001-04-17
U-shaped microstrip resonant circuit Grant 4,129,842 - Torii , et al. December 12, 1	1978-12-12
Electronically controllable tuning device having a frequency synthesizer Grant 4,023,108 - Torii May 10, 1	1977-05-10
Channel-selecting apparatus for multichannel receivers Grant 3,999,131 - Fukuda , et al. December 21, 1	1976-12-21
Local Oscillation Device For A Television Receiver Set Grant 3,864,636 - Fukuda , et al. February 4, 1	1975-02-04

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