Nakagawa; Atsuji

Patent Applications and Registrations

Patent applications and USPTO patent grants for Nakagawa; Atsuji.The latest application filed is for "light emitting device and led light bulb".

Company Profile

2.18.25

Nakagawa; Atsuji - Himeji JP
Nakagawa; Atsuji - Himeji-Shi JP
Nakagawa; Atsuji - Hyogo JP
NAKAGAWA; Atsuji - Himeji-shi Hyogo
Nakagawa; Atsuji - Asago JP
Nakagawa; Atsuji - Asago-shi JP
Nakagawa; Atsuji - Himeji - City JP
Nakagawa; Atsuji - Hyogo-ken 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
Light emitting device and LED light bulb Grant 10,368,408 - Kondo , et al. July 30, 2	2019-07-30
Light emitting device and LED light bulb Grant 10,368,409 - Kondo , et al. July 30, 2	2019-07-30
Manufacturing method of high-pressure discharge lamp and sealed part structure for high-pressure discharge lamp Grant 10,056,220 - Nakagawa , et al. August 21, 2	2018-08-21
Light Emitting Device And Led Light Bulb App 20180049285 - Kondo; Hiroyasu ; et al.	2018-02-15
Manufacturing Method Of High-pressure Discharge Lamp And Sealed Part Structure For High-pressure Discharge Lamp App 20180019090 - NAKAGAWA; Atsuji ; et al.	2018-01-18
Manufacturing method of high-pressure discharge lamp and sealed part structure for high-pressure discharge lamp Grant 9,812,280 - Nakagawa , et al. November 7, 2	2017-11-07
Light Emitting Device And Led Light Bulb App 20170048941 - KONDO; Hiroyasu ; et al.	2017-02-16
High pressure discharge lamp and lighting method thereof Grant 9,362,103 - Nakagawa , et al. June 7, 2	2016-06-07
Manufacturing Method Of High-pressure Discharge Lamp And Sealed Part Structure For High-pressure Discharge Lamp App 20160013008 - NAKAGAWA; Atsuji ; et al.	2016-01-14
High Pressure Discharge Lamp And Lighting Method Thereof App 20150294851 - NAKAGAWA; Atsuji ; et al.	2015-10-15
LED lamp Grant 9,148,926 - Nakagawa , et al. September 29, 2	2015-09-29
Method and circuit for lighting high-pressure discharge lamp Grant 9,099,293 - Nakagawa , et al. August 4, 2	2015-08-04
Method And Circuit For Lighting High-pressure Discharge Lamp App 20150123543 - NAKAGAWA; Atsuji ; et al.	2015-05-07
Led Lamp App 20140368126 - NAKAGAWA; Atsuji ; et al.	2014-12-18
Starting circuit of starting device for high-pressure discharge lamp including auxiliary light source, starting device including the starting circuit, and lighting system including the starting device Grant 8,040,077 - Fujii , et al. October 18, 2	2011-10-18
Light Emitting Device App 20110080728 - NAKAGAWA; Atsuji ; et al.	2011-04-07
High-pressure discharge lamp and light sources device using the same Grant 7,808,167 - Fujii , et al. October 5, 2	2010-10-05
High-pressure Discharge Lamp App 20100171421 - NAKAGAWA; Atsuji ; et al.	2010-07-08
Image Projection System By Means Of Direct Current Type High Voltage Discharge App 20100026726 - Fujii; Toshitaka ; et al.	2010-02-04
Starting circuit of starting device for high-pressure discharge lamp including auxiliary light source, starting device including the starting circuit, and lighting system including the starting device App 20090322242 - Fujii; Toshitaka ; et al.	2009-12-31
Discharge Lamp Operation Device App 20090230888 - Fujii; Toshitaka ; et al.	2009-09-17
Auxiliary light source and lighting system having the same App 20090224667 - FUJII; Toshitaka ; et al.	2009-09-10
Projection-type system and method of operating the same Grant 7,517,093 - Nakagawa , et al. April 14, 2	2009-04-14
Power supply unit for light source and method of controlling the same Grant 7,504,780 - Isobe , et al. March 17, 2	2009-03-17
Light source device Grant 7,478,928 - Ushijima , et al. January 20, 2	2009-01-20
High-pressure discharge lamp and light sources device using the same App 20080297064 - Fujii; Toshitaka ; et al.	2008-12-04
Power Supply Unit For Light Source And Method Of Controlling The Same App 20080180953 - Isobe; Shiro ; et al.	2008-07-31
Lighting circuit for high-pressure discharge lamp Grant 7,348,737 - Fujii , et al. March 25, 2	2008-03-25
Metallic Concave Reflection Mirror, Light Source and Light Source Apparatus Using the Same, and Lighting Circuit Thereof App 20080042538 - Fujii; Toshitaka ; et al.	2008-02-21
Projection system using a high-pressure discharge lamp adapted to d.c. lighting, and method of operating the same Grant 7,306,340 - Nakagawa , et al. December 11, 2	2007-12-11
Light Source Device App 20070242456 - Ushijima; Shinichi ; et al.	2007-10-18
High voltage discharge lamp lighting method, lighting apparatus and image device using that lighting apparatus App 20070159445 - Nakagawa; Atsuji ; et al.	2007-07-12
Projection-type system and method of operating the same App 20070076175 - Nakagawa; Atsuji ; et al.	2007-04-05
Lighting Circuit For High-pressure Discharge Lamp App 20070024204 - FUJII; Toshitaka ; et al.	2007-02-01
Projection system using a high-pressure discharge lamp adapted to d.c. lighting, and method of operating the same App 20060139578 - Nakagawa; Atsuji ; et al.	2006-06-29
Ultra-high pressure discharge lamp unit and light source apparatus App 20060050512 - Nakagawa; Atsuji ; et al.	2006-03-09
Method and device for lighting high pressure discharge lamps Grant 6,914,393 - Nakagawa , et al. July 5, 2	2005-07-05
Method and device for lighting high pressure discharge lamps App 20040085027 - Nakagawa, Atsuji ; et al.	2004-05-06
Ultra-high Pressure Discharge Lamp Lighting Method, Ultra-high Pressure Discharge Lamp To Which The Method Is Applicable And Ballast For Use Therein, And Lighting System Incorporating The Lamp And The Ballast Grant 6,713,972 - Nakagawa , et al. March 30, 2	2004-03-30
Ultra-high pressure discharge lamp Grant 6,713,963 - Nakagawa March 30, 2	2004-03-30
Ultra-high pressure discharge lamp App 20030146705 - Nakagawa, Atsuji	2003-08-07
Mount for lamp and lamp seal structure employing the mount Grant 6,600,266 - Nakagawa July 29, 2	2003-07-29
Ultra-high pressure discharge lamp lighting method, ultra-high pressure discharge lamp to which the method is applicable and ballast for use therein, and lighting system incorporating the lamp and the ballast App 20020105288 - Nakagawa, Atsuji ; et al.	2002-08-08

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