Hirota; Tetsuro

Patent Applications and Registrations

Patent applications and USPTO patent grants for Hirota; Tetsuro.The latest application filed is for "sheet material thickness detection device, sheet material anomaly detection device, sheet material feeding device, and image forming device".

Company Profile

3.49.41

Hirota; Tetsuro - Kanagawa JP
Hirota; Tetsuro - Hadano N/A JP
Hirota; Tetsuro - Hadeno JP
HIROTA; Tetsuro - Hadano-shi JP
Hirota; Tetsuro - Hadeno-shi JP
Hirota; Tetsuro - Zama 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
Powder supply device and image forming apparatus incorporating same Grant 10,317,814 - Takami , et al.	2019-06-11
Powder detection device, image forming apparatus, powder detection method, and non-transitory recording medium Grant 10,228,632 - Yamamoto , et al.	2019-03-12
Sheet size detector and image processing apparatus Grant 10,114,323 - Hirota , et al. October 30, 2	2018-10-30
Sheet material thickness detection device, sheet material anomaly detection device, sheet material feeding device, and image forming device Grant 10,099,876 - Hirota , et al. October 16, 2	2018-10-16
Fluid detection apparatus to detect a quantity of fluid using a vibration Grant 10,031,016 - Satoh , et al. July 24, 2	2018-07-24
Powder amount detector, powder supply device, and image forming apparatus incorporating same Grant 9,817,335 - Kawashima , et al. November 14, 2	2017-11-14
Sheet Material Thickness Detection Device, Sheet Material Anomaly Detection Device, Sheet Material Feeding Device, And Image Forming Device App 20170174457 - HIROTA; Tetsuro ; et al.	2017-06-22
Powder Supply Device And Image Forming Apparatus Incorporating Same App 20170168418 - TAKAMI; Nobuo ; et al.	2017-06-15
Developing device, and image forming apparatus and process cartridge incorporating same Grant 9,645,538 - Watanabe , et al. May 9, 2	2017-05-09
Powder Amount Detector, Powder Supply Device, And Image Forming Apparatus Incorporating Same App 20170115597 - KAWASHIMA; NAOHIRO ; et al.	2017-04-27
Fluid Detection Apparatus, Fluid Detection Method, And Storage Medium App 20170074713 - SATOH; KAZUHO ; et al.	2017-03-16
Developing Device, And Image Forming Apparatus And Process Cartridge Incorporating Same App 20160378039 - WATANABE; Masahiro ; et al.	2016-12-29
Powder detector, image forming apparatus including same, and powder detecting method Grant 9,523,664 - Hirota , et al. December 20, 2	2016-12-20
Powder detector, developing device, process cartridge, image forming apparatus, and powder detecting method Grant 9,523,940 - Hosokawa , et al. December 20, 2	2016-12-20
Powder Detection Device, Image Forming Apparatus, Powder Detection Method, And Non-transitory Recording Medium App 20160349101 - Yamamoto; Mitsufumi ; et al.	2016-12-01
Magnetic permeability detector, developing device, image forming apparatus, and oscillation signal frequency calculation method therefor Grant 9,507,290 - Hirota , et al. November 29, 2	2016-11-29
Magnetic permeability detector, developing device, image forming apparatus, and oscillation signal frequency calculation method therefor Grant 9,507,291 - Hirota , et al. November 29, 2	2016-11-29
Powder Detector, Developing Device, Process Cartridge, Image Forming Apparatus, And Powder Detecting Method App 20160170328 - HOSOKAWA; Hiroshi ; et al.	2016-06-16
Powder Detector, Image Forming Apparatus Including Same, And Powder Detecting Method App 20160116860 - HIROTA; Tetsuro ; et al.	2016-04-28
Magnetic Permeability Detector, Developing Device, Image Forming Apparatus, And Oscillation Signal Frequency Calculation Method Therefor App 20160041497 - Hirota; Tetsuro ; et al.	2016-02-11
Magnetic Permeability Detector, Developing Device, Image Forming Apparatus, And Oscillation Signal Frequency Calculation Method Therefor App 20160041495 - HIROTA; Tetsuro ; et al.	2016-02-11
Magnetic permeability detector, developing device, image forming apparatus, and oscillation signal frequency calculation method therefor Grant 9,170,233 - Hirota , et al. October 27, 2	2015-10-27
Sheet Size Detector And Image Processing Apparatus App 20150268028 - HIROTA; Tetsuro ; et al.	2015-09-24
Image forming apparatus Grant 8,948,638 - Ishikura , et al. February 3, 2	2015-02-03
Development device, and image forming apparatus and process cartridge incorporating same Grant 8,929,782 - Endou , et al. January 6, 2	2015-01-06
Developing device, image forming apparatus, and image forming method Grant 8,897,681 - Hirota , et al. November 25, 2	2014-11-25
Magnetic Permeability Detector, Developing Device, Image Forming Apparatus, And Oscillation Signal Frequency Calculation Method Therefor App 20140312886 - HIROTA; Tetsuro ; et al.	2014-10-23
Development device, process cartridge incorporating same, and image forming apparatus incorporating same Grant 8,824,935 - Seki , et al. September 2, 2	2014-09-02
Development device, process cartridge incorporating same, and image forming apparatus incorporating same Grant 8,594,540 - Hirota , et al. November 26, 2	2013-11-26
Development Device, And Image Forming Apparatus And Process Cartridge Incorporating Same App 20130216277 - ENDOU; Osamu ; et al.	2013-08-22
Developing device, process cartridge, and image forming apparatus Grant 8,433,211 - Horike , et al. April 30, 2	2013-04-30
Development Device And Image Forming Apparatus Incorporating Same App 20130071147 - OGAWA; Yoshiko ; et al.	2013-03-21
Image forming device and image forming apparatus Grant 8,376,494 - Hirota , et al. February 19, 2	2013-02-19
Image forming apparatus with developer passage amount control electrodes Grant 8,259,142 - Hirota , et al. September 4, 2	2012-09-04
Image forming apparatus and impact position displacement correction method Grant 8,186,799 - Morino , et al. May 29, 2	2012-05-29
Liquid-jet device, image forming apparatus, and method for adjusting landing positions of liquid droplets Grant 8,157,342 - Morino , et al. April 17, 2	2012-04-17
Development Device, Process Cartridge Incorporating Same, And Image Forming Apparatus Incorporating Same App 20120063815 - SEKI; Hideyasu ; et al.	2012-03-15
Developing Device, Image Forming Apparatus, And Image Forming Method App 20120063797 - HIROTA; Tetsuro ; et al.	2012-03-15
Image Forming Apparatus App 20120057891 - ISHIKURA; Yuji ; et al.	2012-03-08
Image forming apparatus and defective nozzle detection method Grant 8,066,348 - Hirota , et al. November 29, 2	2011-11-29
Image forming apparatus and method of correcting deviation of shooting position Grant 7,992,953 - Yorimoto , et al. August 9, 2	2011-08-09
Development Device, Process Cartridge Incorporating Same, And Image Forming Apparatus Incorporating Same App 20110182626 - HIROTA; Tetsuro ; et al.	2011-07-28
Image forming apparatus, landing position shift correction method, and landing position shift correction sheet member Grant 7,914,096 - Hagiwara , et al. March 29, 2	2011-03-29
Developing Device, Process Cartridge, And Image Forming Apparatus App 20110064432 - Horike; Masanori ; et al.	2011-03-17
Image Forming Device And Image Forming Apparatus App 20110043589 - HIROTA; Tetsuro ; et al.	2011-02-24
Image Forming Apparatus With Developer Passage Amount Control Electrodes App 20100214364 - HIROTA; Tetsuro ; et al.	2010-08-26
Image Forming Apparatus And Defective Nozzle Detection Method App 20090015621 - Hirota; Tetsuro ; et al.	2009-01-15
Image Forming Apparatus, Method For Correcting Displacement Of Landing Positions App 20080231649 - KAWABATA; Kenichi ; et al.	2008-09-25
Image Forming Apparatus And Impact Position Displacement Correction Method App 20080225067 - MORINO; Tetsu ; et al.	2008-09-18
Image Forming Apparatus, Landing Position Shift Correction Method, And Landing Position Shift Correction Sheet Member App 20080225098 - HAGIWARA; Takumi ; et al.	2008-09-18
Liquid-jet Device, Image Forming Apparatus, And Method For Adjusting Landing Positions Of Liquid Droplets App 20080225068 - MORINO; Tetsu ; et al.	2008-09-18
Image Forming Apparatus And Method Of Correcting Deviation Of Shooting Position App 20080225066 - YORIMOTO; Mamoru ; et al.	2008-09-18
Ink jet printing apparatus Grant 6,331,052 - Murai , et al. December 18, 2	2001-12-18
Ink jet recording apparatus and method for automatically changing recording operation mode when interchangeable recording head unit is replaced Grant 6,053,597 - Hirota April 25, 2	2000-04-25
Ink-jet head driving system Grant 5,821,953 - Nakano , et al. October 13, 1	1998-10-13
Ink jet printing head Grant 5,818,482 - Ohta , et al. October 6, 1	1998-10-06
Ink jet recording apparatus Grant 5,754,202 - Sekiya , et al. May 19, 1	1998-05-19
Ink jet printer Grant 4,644,372 - Hirota February 17, 1	1987-02-17

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