Isokawa; Hiroshi

Patent Applications and Registrations

Patent applications and USPTO patent grants for Isokawa; Hiroshi.The latest application filed is for "magnetic recording and reproducing device".

Company Profile

7.38.39

Isokawa; Hiroshi - Yokohama Kanagawa JP
ISOKAWA; Hiroshi - Tokyo JP
Isokawa; Hiroshi - Hino JP
Isokawa; Hiroshi - Yokohama JP
Isokawa; Hiroshi - Kanagawa JP
Isokawa; Hiroshi - Yokohama-shi JP
Isokawa; Hiroshi - Hachioji JP
Isokawa; Hiroshi - Kawasaki 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
Magnetic recording and reproducing device Grant 11,437,069 - Matsumoto , et al. September 6, 2	2022-09-06
Magnetic disk device and method of setting data format Grant 11,354,042 - Isokawa June 7, 2	2022-06-07
Magnetic Recording And Reproducing Device App 20220115039 - Matsumoto; Takuya ; et al.	2022-04-14
Image Forming Apparatus, Image Reading Apparatus, Calibration Method App 20220094814 - ISOKAWA; Hiroshi	2022-03-24
Energy-assisted magnetic recording device Grant 11,276,421 - Isokawa March 15, 2	2022-03-15
Magnetic Disk Device And Method Of Setting Data Format App 20220066649 - Isokawa; Hiroshi	2022-03-03
Image forming apparatus, image reading apparatus, and calibration method for a plurality of imaging sensors Grant 11,223,747 - Isokawa January 11, 2	2022-01-11
Magnetic Disk Device App 20210358517 - Isokawa; Hiroshi	2021-11-18
Image Forming Apparatus, Image Reading Apparatus, Calibration Method App 20210314451 - Isokawa; Hiroshi	2021-10-07
Magnetic Disk Device And Write Processing Method App 20210201940 - Isokawa; Hiroshi	2021-07-01
Information processing apparatus with switching circuit on power supply for disk device Grant 10,997,999 - Sudo , et al. May 4, 2	2021-05-04
Magnetic disk device having multiple writers with writing current of different frequencies Grant 10,984,820 - Isokawa April 20, 2	2021-04-20
Magnetic Disk Device And Write Processing Method App 20210035602 - Isokawa; Hiroshi	2021-02-04
Magnetic disk drive and recording method for magnetic disk drive Grant 10,803,887 - Isokawa October 13, 2	2020-10-13
Disk Device And Information Processing Apparatus App 20200234732 - Sudo; Daisuke ; et al.	2020-07-23
Magnetic Disk Drive And Recording Method For Magnetic Disk Drive App 20200227074 - ISOKAWA; Hiroshi	2020-07-16
Image forming apparatus Grant 10,659,622 - Isokawa	2020-05-19
Switching circuit on power supply for magnetic disk recording device Grant 10,650,858 - Sudo , et al.	2020-05-12
Image reading apparatus and image forming system, including opposing part Grant 10,616,436 - Isokawa	2020-04-07
Magnetic disk device and refresh processing method Grant 10,490,223 - Isokawa Nov	2019-11-26
Image Forming Apparatus App 20190312982 - ISOKAWA; Hiroshi	2019-10-10
Disk Device And Information Processing Apparatus App 20190206437 - Sudo; Daisuke ; et al.	2019-07-04
Magnetic Disk Device And Refresh Processing Method App 20190198054 - ISOKAWA; Hiroshi	2019-06-27
Image forming system and reading device Grant 10,200,565 - Isokawa , et al. Fe	2019-02-05
Image reading apparatus and image forming system for performing accurate image correction Grant 10,142,518 - Isokawa Nov	2018-11-27
Image Reading Apparatus And Image Forming System App 20180270386 - Isokawa; Hiroshi	2018-09-20
Reading apparatus that suppresses height of recording medium at a reading position, image forming apparatus and image forming system having the same Grant 9,948,803 - Isokawa April 17, 2	2018-04-17
Image reading apparatus and image forming system Grant 9,930,198 - Isokawa March 27, 2	2018-03-27
Image Forming System And Reading Device App 20180084145 - ISOKAWA; Hiroshi ; et al.	2018-03-22
Image Reading Apparatus And Image Forming System App 20170094126 - ISOKAWA; Hiroshi	2017-03-30
Storage apparatus, controller and control method Grant 9,548,071 - Isokawa January 17, 2	2017-01-17
Image Reading Apparatus And Image Forming System App 20160366296 - ISOKAWA; Hiroshi	2016-12-15
Storage Apparatus, Controller And Control Method App 20160322075 - Isokawa; Hiroshi	2016-11-03
Reading Apparatus, Image Forming Apparatus And Image Forming System App 20160286063 - ISOKAWA; Hiroshi	2016-09-29
Image forming apparatus Grant 9,307,097 - Isokawa April 5, 2	2016-04-05
Image Forming Apparatus App 20150358489 - ISOKAWA; Hiroshi	2015-12-10
Image forming apparatus with measuring section which measures a height position of a sheet surface Grant 9,135,538 - Isokawa , et al. September 15, 2	2015-09-15
Laser Controller For Heat-assisted Magnetic Recording Device App 20150221332 - Isokawa; Hiroshi	2015-08-06
Laser controller for heat-assisted magnetic recording device Grant 9,093,085 - Isokawa July 28, 2	2015-07-28
Magnetic head, magnetic disk drive, and method of controlling magnetic head Grant 8,995,079 - Isokawa , et al. March 31, 2	2015-03-31
Magnetic Head, Magnetic Disk Drive, And Method Of Controlling Magnetic Head App 20150003219 - Isokawa; Hiroshi ; et al.	2015-01-01
Image Forming Apparatus And Method For Reading Reference Image App 20140307290 - ISOKAWA; Hiroshi ; et al.	2014-10-16
Magnetic disk having reflecting layer in recording layer, magnetic disk device, and thermally assisted magnetic recording method Grant 8,724,435 - Isokawa , et al. May 13, 2	2014-05-13
Magnetic head and disk drive with the same Grant 8,670,202 - Isokawa , et al. March 11, 2	2014-03-11
Magnetic recording device, controller thereof, and magnetic recording method Grant 8,593,913 - Yamada , et al. November 26, 2	2013-11-26
Thermally-assisted magnetic recording head having heat conducting unit and heat absorbing unit and magnetic recording and reproducing device having the same Grant 8,593,916 - Ikai , et al. November 26, 2	2013-11-26
Magnetic Head And Disk Drive With The Same App 20130188275 - ISOKAWA; Hiroshi ; et al.	2013-07-25
Magnetic Recording Head And Magnetic Recording And Reproducing Same App 20130176837 - Ikai; Toshiyuki ; et al.	2013-07-11
Image forming apparatus having a separation section which moves in an axial direction of an image carrier, for separating a transfer sheet from the image carrier Grant 8,224,230 - Isokawa July 17, 2	2012-07-17
Magnetic Recording Device, Controller Thereof, And Magnetic Recording Method App 20120134245 - Yamada; Yuichi ; et al.	2012-05-31
Image Forming Apparatus App 20110091243 - Tomino; Toshiaki ; et al.	2011-04-21
Magnetic Recording Device, Head Evaluation Device, And Write-pole-erasing Evaluation Method App 20100302671 - Ueno; Hiroaki ; et al.	2010-12-02
Signal Reproducing Circuit, Magnetic Storage Device, And Signal Reproducing Method App 20100157461 - UENO; Hiroaki ; et al.	2010-06-24
Cleaning Apparatus And Image Forming Apparatus App 20090297239 - Aso; Azusa ; et al.	2009-12-03
Image Forming Apparatus App 20090285599 - ISOKAWA; Hiroshi	2009-11-19
Image forming apparatus Grant 7,280,796 - Isokawa , et al. October 9, 2	2007-10-09
Image forming apparatus which detects abnormality condition in feeding of toner Grant 7,155,149 - Fujii , et al. December 26, 2	2006-12-26
Image forming apparatus and image forming method Grant 7,092,663 - Takahashi , et al. August 15, 2	2006-08-15
Toner replenishment device for use in electrophotographic image forming apparatus Grant 7,082,279 - Fujii , et al. July 25, 2	2006-07-25
Toner supplying apparatus and image forming apparatus Grant 7,062,206 - Fujii , et al. June 13, 2	2006-06-13
Image forming apparatus App 20060088352 - Isokawa; Hiroshi ; et al.	2006-04-27
Toner conveyance device and image forming apparatus equipped therewith Grant 7,010,251 - Yamauchi , et al. March 7, 2	2006-03-07
Image forming apparatus and image forming method App 20050260016 - Takahashi, Kouki ; et al.	2005-11-24
Toner replenishment device for use in electrophotographic image forming apparatus App 20050201780 - Fujii, Ritsuo ; et al.	2005-09-15
Image forming apparatus App 20050041998 - Fujii, Ritsuo ; et al.	2005-02-24
Toner supplying apparatus and image forming apparatus App 20040247344 - Fujii, Ritsuo ; et al.	2004-12-09
Toner replenishing method with improved storage and separation units Grant 6,829,463 - Fujii , et al. December 7, 2	2004-12-07
Toner conveyance device and image forming apparatus equipped therewith App 20040105704 - Yamauchi, Kazumichi ; et al.	2004-06-03
Toner replenishing method and unit in image forming apparatus App 20030142999 - Fujii, Ritsuo ; et al.	2003-07-31
Disk device and data error correction method thereof Grant 6,381,725 - Isokawa April 30, 2	2002-04-30
Information storage device and servo gain compensating method in information storage device Grant 6,301,207 - Isokawa , et al. October 9, 2	2001-10-09
Magnetic reproduction apparatus having MR head in which electromigration occurring in MR head is suppressed Grant 6,163,425 - Isokawa , et al. December 19, 2	2000-12-19

uspto.report is an independent third-party trademark research tool that is not affiliated, endorsed, or sponsored by the United States Patent and Trademark Office (USPTO) or any other governmental organization. The information provided by uspto.report is based on publicly available data at the time of writing and is intended for informational purposes only.

While we strive to provide accurate and up-to-date information, we do not guarantee the accuracy, completeness, reliability, or suitability of the information displayed on this site. The use of this site is at your own risk. Any reliance you place on such information is therefore strictly at your own risk.

All official trademark data, including owner information, should be verified by visiting the official USPTO website at www.uspto.gov. This site is not intended to replace professional legal advice and should not be used as a substitute for consulting with a legal professional who is knowledgeable about trademark law.