Inventor · disambiguated record
Toshiyuki Kitahara
Also filed as: KITAHARA TOSHIYUKI
23 granted patents·3 pending applications·190 citations·filing 1991–2016
95Inventor score
Top patents by PatentIndex Score
26 records- 0191US9711176B2Multilayer optical information recording disk and method for manufacturing sameFUJIFILM CORP·Filed 2015·Granted Jul 18, 2017·5 cites·10 claims
- 0284US8477577B2Method for recording on and reading out from optical information recording mediumFUJIFILM CORP·Filed 2012·Granted Jul 2, 2013·5 cites·4 claims
- 0381US7564640B2Apparatus for recording or retrieving data on magnetic tapeFUJIFILM CORP·Filed 2008·Granted Jul 21, 2009·4 cites·12 claims
- 0480US7095582B2Magnetic tape driveFUJI PHOTO FILM CO LTD·Filed 2003·Granted Aug 22, 2006·14 cites·14 claims
- 0579US8980396B2Optical information recording mediumFUJIFILM CORP·Filed 2013·Granted Mar 17, 2015·4 cites·8 claims
- 0679US8202597B2Multilayer optical recording medium, method and apparatus for manufacturing the multilayer optical recording mediumISHIDA TOSHIO·Filed 2010·Granted Jun 19, 2012·4 cites·8 claims
- 0778US8701133B2Optical information recording medium and method for manufacturing sameFUJIFILM CORP·Filed 2013·Granted Apr 15, 2014·4 cites·9 claims
- 0878US8644126B2Optical information recording medium and method for manufacturing sameFUJIFILM CORP·Filed 2013·Granted Feb 4, 2014·3 cites·8 claims
- 0976US6251509B1Magnetic tapeFUJI PHOTO FILM CO LTD·Filed 1999·Granted Jun 26, 2001·27 cites·6 claims
- 1076US5512350AMagnetic recording medium having a magnetic layer with a specified surface roughness and which contains ferromagnetic powder, binder, and an abrasiveFUJI PHOTO FILM CO LTD·Filed 1995·Granted Apr 30, 1996·36 cites·5 claims
- 1173US8670296B2Optical information recording medium and optical information recording methodFUJIFILM CORP·Filed 2012·Granted Mar 11, 2014·2 cites·10 claims
- 1273US6767610B2Magnetic tape having specific surface recording density and comprising a support having specific surface roughnessFUJI PHOTO FILM CO LTD·Filed 2001·Granted Jul 27, 2004·9 cites·12 claims
- 1372US9099106B2Multilayer structure sheet and method for manufacturing same, and optical information recording medium and method for manufacturing optical information recording medium using multilayer structure sheetFUJIFILM CORP·Filed 2014·Granted Aug 4, 2015·2 cites·19 claims
- 1471US7092200B2Magnetic tape drive with recording head group providing high density data signal recordingFUJI PHOTO FILM CO LTD·Filed 2004·Granted Aug 15, 2006·8 cites·6 claims
- 1567US5196265AMagnetic recording mediumFUJI PHOTO FILM CO LTD·Filed 1991·Granted Mar 23, 1993·28 cites·5 claims
- 1658US7929403B2Apparatus and method for recording information in optical storage mediumFUJIFILM CORP·Filed 2009·Granted Apr 19, 2011·0 cites·14 claims
- 1755US5804283AMagnetic recording mediumFUJI PHOTO FILM CO LTD·Filed 1997·Granted Sep 8, 1998·11 cites·12 claims
- 1854US5407725AMagnetic recording medium having a magnetic layer containing two carbon blacks each within specific particle size and DBP adsorption rangesFUJI PHOTO FILM CO LTD·Filed 1994·Granted Apr 18, 1995·16 cites·4 claims
- 1954US2010046117A1Magnetic recording medium and method of producing the sameFUJIFILM CORP·Filed 2009·Application pending·0 cites
- 2053US9105283B2Optical information recording mediumFUJIFILM CORP·Filed 2014·Granted Aug 11, 2015·0 cites·5 claims
- 2150US2009245059A1Method and apparatus for recording or retrieving information on optical disc, and manufacturing process of optical disc on which information is recordedFUJIFILM CORP·Filed 2009·Application pending·0 cites
- 2242US7207052B2Recording medium cartridge and recording and reproducing deviceFUJIFILM CORP·Filed 2003·Granted Apr 17, 2007·0 cites·15 claims
- 2341US5326618AMagnetic recording medium and process for production thereofFUJI PHOTO FILM CO LTD·Filed 1992·Granted Jul 5, 1994·8 cites·6 claims
- 2439US8503281B2Optical recording disc and method for recording or reading data on the optical recording discMIKAMI TATSUO·Filed 2011·Granted Aug 6, 2013·0 cites·17 claims
- 2535US2018074229A1Anti-reflective structureSCIVAX CORP·Filed 2016·Application pending·0 cites
- 2633US8427915B2Method and apparatus for recording information in optical storage medium, and multi-layer optical storage mediumKITAHARA TOSHIYUKI·Filed 2010·Granted Apr 23, 2013·0 cites·16 claims
Join the waitlist — get patent alerts
Get an alert when Toshiyuki Kitahara files or is granted a new patent.
We store only your email — no account needed. See our privacy policy.
Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →