Yamada; Hirohito

Patent Applications and Registrations

Patent applications and USPTO patent grants for Yamada; Hirohito.The latest application filed is for "composite optical waveguide, variable-wavelength laser, and method of oscillating laser".

Company Profile

0.13.9

Yamada; Hirohito - Miyagi JP
Yamada; Hirohito - Tokyo N/A JP
Yamada; Hirohito - Plainsboro NJ

*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
Composite optical waveguide, variable-wavelength laser, and method of oscillating laser Grant 8,494,023 - Yamazaki , et al. July 23, 2	2013-07-23
Optical waveguide Grant 8,374,469 - Yamada February 12, 2	2013-02-12
Composite Optical Waveguide, Variable-wavelength Laser, And Method Of Oscillating Laser App 20110194572 - YAMAZAKI; HIROYUKI ; et al.	2011-08-11
Optical Waveguide App 20100232742 - Yamada; Hirohito	2010-09-16
Photonic crystal optical circuit and method for controlling the same Grant 7,715,665 - Ushida , et al. May 11, 2	2010-05-11
Optical Waveguide, Optical Device, And Optical Communication Device App 20090285522 - Gomiyou; Akiko ; et al.	2009-11-19
Photonic Crystal Optical Circuit And Method For Controlling The Same App 20080316749 - USHIDA; Jun ; et al.	2008-12-25
Waveguide structure and method of manufacturing the same Grant 7,376,317 - Yamada May 20, 2	2008-05-20
Photonic crystal optical circuit and method for controlling the same Grant 7,359,606 - Ushida , et al. April 15, 2	2008-04-15
White light pulse generating method using nonlinear optical device Grant 7,286,738 - Yamada October 23, 2	2007-10-23
White light pulse generating method using nonlinear optical device App 20050213905 - Yamada, Hirohito	2005-09-29
Waveguide structure and method of manufacturing the same App 20050089291 - Yamada, Hirohito	2005-04-28
Photonic crystal waveguide and directional coupler using the same Grant 6,631,236 - Yamada October 7, 2	2003-10-07
Semiconductor laser with a rewritable wavelength stabilizer Grant 6,363,097 - Linke , et al. March 26, 2	2002-03-26
Optical measurement of target-light waveform App 20020024689 - Shirane, Masayuki ; et al.	2002-02-28
Photonic crystal multilayer substrate and manufacturing method thereof App 20020004307 - Yamada, Hirohito	2002-01-10
Photonic crystal waveguide and directional coupler using the same App 20010026668 - Yamada, Hirohito	2001-10-04
Semiconductor laser array Grant 5,887,012 - Yamada March 23, 1	1999-03-23
Optical fiber remote sensing system with electromagnetic wave measurement Grant 5,828,058 - Yamada October 27, 1	1998-10-27
Semiconductor multiquantum well structure and semiconductor laser therewith Grant 5,553,090 - Yamada September 3, 1	1996-09-03

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