Inventor · disambiguated record
Masao Takano
Also filed as: TAKANO MASAO
30 granted patents·3 pending applications·353 citations·filing 1974–2025
97Inventor score
Top patents by PatentIndex Score
33 records- 0191US11471993B2Spacer, laminate of substrates, method for manufacturing substrate, and method for manufacturing substrate for magnetic diskHOYA CORP·Filed 2019·Granted Oct 18, 2022·2 cites·13 claims
- 0291US10872635B2Spacer and hard disk drive apparatusHOYA CORP·Filed 2018·Granted Dec 22, 2020·8 cites·20 claims
- 0390US10783921B2Glass spacer and hard disk drive apparatusHOYA CORP·Filed 2018·Granted Sep 22, 2020·8 cites·20 claims
- 0488US5840457AMagnetic black toner and multi-color or full-color image forming methodCANON KK·Filed 1997·Granted Nov 24, 1998·47 cites·59 claims
- 0587US6503600B2Magnetic recording medium using a glass substrateFiled 2001·Granted Jan 7, 2003·18 cites·7 claims
- 0687US2025384898A1Hard disk driveHOYA CORP·Filed 2025·Application pending·0 cites
- 0786US11839950B2Spacer and laminateHOYA CORP·Filed 2022·Granted Dec 12, 2023·0 cites·20 claims
- 0886US11244706B2Glass spacer and hard disk drive apparatusHOYA CORP·Filed 2020·Granted Feb 8, 2022·2 cites·20 claims
- 0985US4846057AScreen printing machine with waste printing plate discharge meansRICOH KK·Filed 1987·Granted Jul 11, 1989·26 cites·3 claims
- 1083US5912101AToner for forming an image, image forming method and heat-fixing methodCANON KK·Filed 1998·Granted Jun 15, 1999·36 cites·64 claims
- 1182US6877343B2Method of manufacturing a glass substrate and a magnetic recording mediumHOYA CORP·Filed 2002·Granted Apr 12, 2005·16 cites·11 claims
- 1282US4521904AMethod of and cassette for taking X-ray photographFUJI PHOTO FILM CO LTD·Filed 1982·Granted Jun 4, 1985·18 cites·7 claims
- 1381US12051442B2Hard disk drive spacer having chamfered surface and main surface with inclined regionHOYA CORP·Filed 2021·Granted Jul 30, 2024·1 cites·20 claims
- 1478US6007957AMagnetic toner, image forming method and process cartridgeCANON KK·Filed 1998·Granted Dec 28, 1999·27 cites·101 claims
- 1577US12394439B2Hard disk drive including annular spacer with inclined region on main surfaceHOYA CORP·Filed 2024·Granted Aug 19, 2025·0 cites·20 claims
- 1676US10446804B2Hermetically sealed battery and manufacturing method for hermetically sealed batteryTOYOTA MOTOR CO LTD·Filed 2017·Granted Oct 15, 2019·1 cites·6 claims
- 1774US12145238B2Method for manufacturing substrate and method for manufacturing substrate for magnetic diskHOYA CORP·Filed 2023·Granted Nov 19, 2024·0 cites·12 claims
- 1871US6277465B1Glass substrate for information recording mediumHOYA CORP·Filed 1997·Granted Aug 21, 2001·30 cites·3 claims
- 1970US4578582ARadiation image recording and reproducing system with preferential processing functionFUJI PHOTO FILM CO LTD·Filed 1982·Granted Mar 25, 1986·25 cites·14 claims
- 2067US4090085AIntensifying screen for radiographsDAINIPPON TORYO KK·Filed 1976·Granted May 16, 1978·15 cites·10 claims
- 2165US11705158B2Method for manufacturing ring-shaped glass spacerHOYA CORP·Filed 2022·Granted Jul 18, 2023·0 cites·12 claims
- 2263US11238895B2Spacer and hard disk drive apparatusHOYA CORP·Filed 2020·Granted Feb 1, 2022·0 cites·20 claims
- 2358US4791866ASpeed control method for printing press and printing press practicing the methodRICOH KK·Filed 1987·Granted Dec 20, 1988·17 cites·5 claims
- 2458US3953215ASilver halide photographic emulsionsFUJI PHOTO FILM CO LTD·Filed 1974·Granted Apr 27, 1976·14 cites·11 claims
- 2557US4603254AMethod of storing radiation image dataFUJI PHOTO FILM CO LTD·Filed 1983·Granted Jul 29, 1986·11 cites·4 claims
- 2655US7255943B2Glass substrate for a magnetic disk, magnetic disk, and methods of producing the glass substrate and the magnetic diskHOYA CORP·Filed 2004·Granted Aug 14, 2007·2 cites·9 claims
- 2749US4591922ARadiation image reproducing apparatusFUJI PHOTO FILM CO LTD·Filed 1983·Granted May 27, 1986·8 cites·7 claims
- 2843US4687932ARadiation image recording and read-out apparatusFUJI PHOTO FILM CO LTD·Filed 1985·Granted Aug 18, 1987·6 cites·10 claims
- 2941US2020270174A1Method for manufacturing disk-shaped glass substrate, method for manufacturing thin glass substrate, method for manufacturing light-guiding plate, and disk-shaped glass substrateHOYA CORP·Filed 2018·Application pending·0 cites
- 3040US4603260AComposite material for storage of radiation imageFUJI PHOTO FILM CO LTD·Filed 1983·Granted Jul 29, 1986·6 cites·6 claims
- 3137US2008020238A1Magentic Disk and Glass Substrate for Magnetic DiskTANAKA HIROTAKA·Filed 2005·Application pending·0 cites
- 3235US4485481AComputed tomographic methodFUJI PHOTO FILM CO LTD·Filed 1982·Granted Nov 27, 1984·9 cites·7 claims
- 3323US5534377ANonmagnetic one-component developing methodTOMOEGAWA PAPER CO LTD·Filed 1994·Granted Jul 9, 1996·0 cites·11 claims
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