Tsumura; Akira

Patent Applications and Registrations

Patent applications and USPTO patent grants for Tsumura; Akira.The latest application filed is for "distributed feedback semiconductor laser".

Company Profile

0.14.6

Tsumura; Akira - Yokohama JP
Tsumura; Akira - Tokyo JP
Tsumura, Akira - Yokohama-shi JP
Tsumura, Akira - Chiyoda-ku JP
Tsumura; Akira - Hyogo JP
Tsumura; Akira - Amagasaki 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
Distributed feedback semiconductor laser Grant 10,714,897 - Saito , et al.	2020-07-14
Distributed Feedback Semiconductor Laser App 20190081454 - SAITO; Shinji ; et al.	2019-03-14
Surface emitting quantum cascade laser Grant 9,893,493 - Saito , et al. February 13, 2	2018-02-13
Surface Emitting Quantum Cascade Laser App 20170271849 - SAITO; Shinji ; et al.	2017-09-21
Waveguide orthomode transducer Grant 7,330,088 - Aramaki , et al. February 12, 2	2008-02-12
Film quality inspecting method and film quality inspecting apparatus Grant 6,975,386 - Tsumura , et al. December 13, 2	2005-12-13
Waveguide branching filter/polarizer App 20050200430 - Aramaki, Yoji ; et al.	2005-09-15
Connection structure for high-frequency circuit substrate, manufacturing method thereof and high frequency circuit device Grant 6,791,439 - Kitamura , et al. September 14, 2	2004-09-14
Connection structure for high-frequency circuit substrate, manufacturing method thereof and high frequency circuit device App 20040080386 - Kitamura, Yoichi ; et al.	2004-04-29
Film quality inspecting method and film quality inspecting apparatus App 20030016349 - Tsumura, Akira ; et al.	2003-01-23
Liquid crystal display apparatus with reduced visual angle degradation Grant 6,356,329 - Tamatani , et al. March 12, 2	2002-03-12
Liquid crystal display apparatus and method for producing TFT using therefor Grant 6,335,779 - Morii , et al. January 1, 2	2002-01-01
Liquid crystal displaying apparatus and method for manufacturing array substrate used therefor App 20010048499 - Numano, Yoshinori ; et al.	2001-12-06
Reflective type liquid crystal display with scattering polarizer Grant 6,211,933 - Mizunuma , et al. April 3, 2	2001-04-03
Reflective type liquid crystal display having scattering polarizer Grant 6,181,399 - Odoi , et al. January 30, 2	2001-01-30
Method of making a field effect transistor Grant 6,060,338 - Tanaka , et al. May 9, 2	2000-05-09
Method for manufacturing liquid crystal display device Grant 5,893,625 - Tamatani , et al. April 13, 1	1999-04-13
Field effect transistor including .pi.conjugate polymer and liquid crystal display including the field effect transistor Grant 5,892,244 - Tanaka , et al. April 6, 1	1999-04-06
Field-effect transistor with at least two different semiconductive organic channel compounds Grant 5,500,537 - Tsumura , et al. March 19, 1	1996-03-19
Field-effect transistor Grant 5,107,308 - Koezuka , et al. April 21, 1	1992-04-21

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