Hirota; Akira

Patent Applications and Registrations

Patent applications and USPTO patent grants for Hirota; Akira.The latest application filed is for "denitration device, heat recovery steam generator having the same, gas turbine combined cycle power plant and method of denitration".

Company Profile

2.18.7

Hirota; Akira - Yokohama JP
Hirota; Akira - Kanagawa JP
Hirota; Akira - Yokohama-shi JP
Hirota; Akira - Okazaki JP
HIROTA; Akira - Okazaki-shi JP
Hirota; Akira - Tokyo JP
Hirota; Akira - 2-Chome Azuchi-Machi JP
Hirota; Akira - Chigasaki 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
Method for operating flue gas purification system Grant 11,441,774 - Ii , et al. September 13, 2	2022-09-13
Denitration Device, Heat Recovery Steam Generator Having The Same, Gas Turbine Combined Cycle Power Plant And Method Of Denitration App 20210033005 - Hirota; Akira ; et al.	2021-02-04
Method For Operating Flue Gas Purification System App 20200149741 - Ii; Shinya ; et al.	2020-05-14
Image forming apparatus including a toner discharge operation Grant 7,738,815 - Hirota June 15, 2	2010-06-15
Image Forming Apparatus App 20080212988 - HIROTA; Akira	2008-09-04
Buckle apparatus and seat belt apparatus Grant 7,347,579 - Kohama , et al. March 25, 2	2008-03-25
Image forming apparatus, charge controlling apparatus, and image forming method Grant 7,324,776 - Hirota , et al. January 29, 2	2008-01-29
Image forming apparatus Grant 7,197,264 - Umemoto , et al. March 27, 2	2007-03-27
Buckle Apparatus and Seat Belt Apparatus App 20060285344 - KOHAMA; Shigeru ; et al.	2006-12-21
Charging device and image forming apparatus provided therewith Grant 7,092,649 - Hirota , et al. August 15, 2	2006-08-15
Image forming apparatus, charge controlling apparatus, and image forming method App 20060083548 - Hirota; Akira ; et al.	2006-04-20
Image forming apparatus App 20060083549 - Umemoto; Hiroaki ; et al.	2006-04-20
Charging device and image forming apparatus provided therewith App 20050220470 - Hirota, Akira ; et al.	2005-10-06
Image forming apparatus with a charging member which removes smears on an image forming member Grant 5,940,661 - Yagi , et al. August 17, 1	1999-08-17
Magnetic video tape recording and reproducing apparatus Grant 5,051,846 - Tsushima , et al. September 24, 1	1991-09-24
Magnetic recording apparatus for carrying out recording by selectively using one of two kinds of recording systems Grant 4,719,518 - Kido , et al. January 12, 1	1988-01-12
Recording and reproducing apparatus for recording and reproducing a carrier chrominance signal with pre-emphasis and de-emphasis Grant 4,626,927 - Hirota , et al. December 2, 1	1986-12-02
Noise reducing system for video signal Grant 4,607,285 - Hirota , et al. August 19, 1	1986-08-19
Noise reduction circuit for a video signal Grant 4,563,704 - Hirota January 7, 1	1986-01-07
Video memory device Grant 4,536,795 - Hirota , et al. August 20, 1	1985-08-20
Pilot signal recording and reproducing system Grant 4,414,586 - Hirota , et al. November 8, 1	1983-11-08
Multiple-channel rotary transformer circuit in a magnetic recording and/or reproducing apparatus Grant 4,364,098 - Hirota , et al. December 14, 1	1982-12-14
System for recording and/or reproducing an audio signal which has been converted into a digital signal Grant 4,246,615 - Shiraishi , et al. January 20, 1	1981-01-20
Amplitude limiting circuit for frequency modulated video signals Grant 4,064,537 - Ota , et al. December 20, 1	1977-12-20
Magnetic Recording And Reproducing Apparatus With Rotating Head Inclination And Height-adjusting Means Grant 3,567,869 - Hirota , et al. March 2, 1	1971-03-02

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