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KATSUYAMA; Tsukuru Patent Filings

KATSUYAMA; Tsukuru

Patent Applications and Registrations

Patent applications and USPTO patent grants for KATSUYAMA; Tsukuru.The latest application filed is for "optical apparatus".

Company Profile
1.18.24
  • KATSUYAMA; Tsukuru - Osaka-shi JP
  • Katsuyama; Tsukuru - Yokohama JP
  • KATSUYAMA; Tsukuru - Yokohama-shi JP
  • Katsuyama; Tsukuru - Kanagawa 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
PatentDate
Optical Apparatus
App 20210336417 - HASHIMOTO; Jun-ichi ;   et al.
2021-10-28
Semiconductor Laser
App 20200203932 - KATSUYAMA; Tsukuru
2020-06-25
Semiconductor laser
Grant 10,312,666 - Katsuyama
2019-06-04
Semiconductor laser
Grant 10,277,010 - Katsuyama , et al.
2019-04-30
Semiconductor Laser
App 20180261981 - KATSUYAMA; Tsukuru ;   et al.
2018-09-13
Semiconductor Laser
App 20180261982 - KATSUYAMA; Tsukuru
2018-09-13
Semiconductor Laser
App 20180261980 - KATSUYAMA; Tsukuru
2018-09-13
Semiconductor Laser
App 20180183213 - KATSUYAMA; Tsukuru ;   et al.
2018-06-28
Quantum cascade laser
Grant 9,923,337 - Yoshinaga , et al. March 20, 2
2018-03-20
Quantum cascade laser array
Grant 9,882,347 - Hashimoto , et al. January 30, 2
2018-01-30
Quantum Cascade Laser
App 20170141542 - YOSHINAGA; Hiroyuki ;   et al.
2017-05-18
Quantum Cascade Laser
App 20170040769 - HASHIMOTO; Jun-ichi ;   et al.
2017-02-09
Semiconductor optical device including a PN junction formed by a second region of a first conductive type semiconductor layer and a second conductive type single semiconductor layer
Grant 7,986,721 - Katsuyama , et al. July 26, 2
2011-07-26
Semiconductor optical device
Grant 7,838,893 - Katsuyama , et al. November 23, 2
2010-11-23
Semiconductor surface emitting device
Grant 7,613,217 - Katsuyama , et al. November 3, 2
2009-11-03
Semiconductor optical device
App 20080240195 - Katsuyama; Tsukuru ;   et al.
2008-10-02
Optical integrated device
Grant 7,405,421 - Hashimoto , et al. July 29, 2
2008-07-29
Semiconductor Surface Emitting Device
App 20080151958 - Katsuyama; Tsukuru ;   et al.
2008-06-26
Semiconductor optical device
Grant 7,379,485 - Katsuyama , et al. May 27, 2
2008-05-27
Semiconductor surface emitting device
Grant 7,356,063 - Katsuyama , et al. April 8, 2
2008-04-08
Semiconductor optical device
Grant 7,323,722 - Hashimoto , et al. January 29, 2
2008-01-29
Semiconductor optical device
Grant 7,271,422 - Hashimoto , et al. September 18, 2
2007-09-18
Semiconductor optical device
Grant 7,208,774 - Hashimoto , et al. April 24, 2
2007-04-24
Optical waveguide module
Grant 7,149,375 - Komiya , et al. December 12, 2
2006-12-12
Semiconductor optical device
App 20060060875 - Katsuyama; Tsukuru ;   et al.
2006-03-23
Semiconductor optical device
App 20060060876 - Katsuyama; Tsukuru ;   et al.
2006-03-23
Semiconductor optical device
App 20060043408 - Hashimoto; Jun-ichi ;   et al.
2006-03-02
Semiconductor optical device
App 20060017062 - Hashimoto; Jun-ichi ;   et al.
2006-01-26
Semiconductor optical device
App 20050280021 - Hashimoto, Jun-ichi ;   et al.
2005-12-22
Optical integrated device
App 20050220392 - Hashimoto, Jun-ichi ;   et al.
2005-10-06
Optical integrated device
App 20050220391 - Hashimoto, Jun-ichi ;   et al.
2005-10-06
Optical integrated device
App 20050220158 - Koyama, Kenji ;   et al.
2005-10-06
Semiconductor surface emitting device
App 20050135450 - Katsuyama, Tsukuru ;   et al.
2005-06-23
Optical waveguide module
App 20050117831 - Komiya, Takeo ;   et al.
2005-06-02
Semiconductor optical device
App 20040136427 - Hashimoto, Jun-Ichi ;   et al.
2004-07-15
Semiconductor optical device
App 20040119080 - Hashimoto, Jun-ichi ;   et al.
2004-06-24
Integrated optical element, integrated optical element fabrication method, and light source module
App 20040057653 - Fukuda, Chie ;   et al.
2004-03-25
Light-receiving device
Grant 6,690,079 - Fujimura , et al. February 10, 2
2004-02-10
Semiconductor optical device and method of manufacturing the same
Grant 6,625,187 - Ikoma , et al. September 23, 2
2003-09-23
Light-receiving device
App 20020149827 - Fujimura, Yasushi ;   et al.
2002-10-17
Semiconductor laser having an AlGaInP cladding layer
Grant 5,586,135 - Yoshida , et al. December 17, 1
1996-12-17
Semiconductor laser and method of manufacturing the same
Grant 5,479,427 - Yoshida , et al. December 26, 1
1995-12-26

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