Yokoo; Yoshiatsu

Patent Applications and Registrations

Patent applications and USPTO patent grants for Yokoo; Yoshiatsu.The latest application filed is for "optical module and optical wavelength multiplexing and demultiplexing device".

Company Profile

0.7.8

Yokoo; Yoshiatsu - Tokyo JP
Yokoo; Yoshiatsu - Hidaka JP
Yokoo; Yoshiatsu - Saitama JP
Yokoo; Yoshiatsu - Hidaka-shi JP
Yokoo; Yoshiatsu - Hidaki 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
Optical Module and Optical Wavelength Multiplexing and Demultiplexing Device App 20080013955 - Takano; Tetsuo ; et al.	2008-01-17
Optical switch and optical add/drop multiplexer using the same Grant 7,236,657 - Kagami , et al. June 26, 2	2007-06-26
Optical module formed on common substrate for branching an optical signal Grant 7,215,853 - Morita , et al. May 8, 2	2007-05-08
Optical switch and optical add/drop multiplexer using the same App 20070036481 - Kagami; Kaoru ; et al.	2007-02-15
Optical switch and optical add/drop multiplexer using the same Grant 7,164,817 - Kagami , et al. January 16, 2	2007-01-16
Optical switch and optical branch/insertion unit comprising it App 20050244097 - Kagami, Kaoru ; et al.	2005-11-03
Optical filtering module and optical devices using such optical filtering module Grant 6,876,789 - Kagami , et al. April 5, 2	2005-04-05
Optical module App 20040101306 - Morita, Kiyoshi ; et al.	2004-05-27
Mold and method of producing the same App 20040047938 - Kosuga, Hiroyuki ; et al.	2004-03-11
Optical filter module and optical apparatus using the same Grant 6,701,041 - Kagami , et al. March 2, 2	2004-03-02
Optical filtering module and optical devices using such optical filtering module App 20020126955 - Kagami, Kaoru ; et al.	2002-09-12
Optical filter module and optical apparatus using the same App 20020122622 - Kagami, Kaoru ; et al.	2002-09-05
Positioning method of optical element, positioning member of optical element and optical unit, and manufacturing method thereof App 20020015239 - Yamashita, Teruo ; et al.	2002-02-07
Preform and process for the production thereof Grant 6,231,243 - Zhang , et al. May 15, 2	2001-05-15
Mold and method of producing the same Grant 6,156,243 - Kosuga , et al. December 5, 2	2000-12-05

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