Inventor
TAKANO MASAO
JP30 patents
⚠️ This page may combine multiple inventors who share the name “TAKANO MASAO”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
HOYA CORP
13 patentsUS6877343B2Apr 12, 2005
Method of manufacturing a glass substrate and a magnetic recording medium
HOYA CORP16 citations92
US6277465B1Aug 21, 2001
Glass substrate for information recording medium
HOYA CORP30 citations92
US10872635B2Dec 22, 2020
Spacer and hard disk drive apparatus
HOYA CORP8 citations84
US10783921B2Sep 22, 2020
Glass spacer and hard disk drive apparatus
HOYA CORP8 citations84
US11471993B2Oct 18, 2022
Spacer, laminate of substrates, method for manufacturing substrate, and method for manufacturing substrate for magnetic disk
HOYA CORP2 citations73
US11244706B2Feb 8, 2022
Glass spacer and hard disk drive apparatus
HOYA CORP2 citations73
US12394439B2Aug 19, 2025
Hard disk drive including annular spacer with inclined region on main surface
HOYA CORP0 citations62
US12145238B2Nov 19, 2024
Method for manufacturing substrate and method for manufacturing substrate for magnetic disk
HOYA CORP0 citations62
US12051442B2Jul 30, 2024
Hard disk drive spacer having chamfered surface and main surface with inclined region
HOYA CORP1 citations62
US11839950B2Dec 12, 2023
Spacer and laminate
HOYA CORP0 citations62
US11705158B2Jul 18, 2023
Method for manufacturing ring-shaped glass spacer
HOYA CORP0 citations62
US11238895B2Feb 1, 2022
Spacer and hard disk drive apparatus
HOYA CORP0 citations62
US7255943B2Aug 14, 2007
Glass substrate for a magnetic disk, magnetic disk, and methods of producing the glass substrate and the magnetic disk
HOYA CORP2 citations62
FUJI PHOTO FILM CO LTD
8 patentsUS4578582AMar 25, 1986
Radiation image recording and reproducing system with preferential processing function
FUJI PHOTO FILM CO LTD25 citations82
US4603254AJul 29, 1986
Method of storing radiation image data
FUJI PHOTO FILM CO LTD11 citations74
US4603260AJul 29, 1986
Composite material for storage of radiation image
FUJI PHOTO FILM CO LTD6 citations74
US4521904AJun 4, 1985
Method of and cassette for taking X-ray photograph
FUJI PHOTO FILM CO LTD18 citations74
US4485481ANov 27, 1984
Computed tomographic method
FUJI PHOTO FILM CO LTD9 citations74
US3953215AApr 27, 1976
Silver halide photographic emulsions
FUJI PHOTO FILM CO LTD14 citations74
US4591922AMay 27, 1986
Radiation image reproducing apparatus
FUJI PHOTO FILM CO LTD8 citations73
US4687932AAug 18, 1987
Radiation image recording and read-out apparatus
FUJI PHOTO FILM CO LTD6 citations63
CANON KK
3 patentsUS6007957ADec 28, 1999
Magnetic toner, image forming method and process cartridge
CANON KK27 citations92
US5912101AJun 15, 1999
Toner for forming an image, image forming method and heat-fixing method
CANON KK36 citations92
US5840457ANov 24, 1998
Magnetic black toner and multi-color or full-color image forming method
CANON KK47 citations92