Inventor
KATAYAMA SHINYA
JP13 patents
⚠️ This page may combine multiple inventors who share the name “KATAYAMA SHINYA”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
NIPPON SHEET GLASS CO LTD
7 patentsUS6365012B1Apr 2, 2002
Magnetic recording medium and a method of manufacturing the same
NIPPON SHEET GLASS CO LTD92 citations97
US5234717AAug 10, 1993
Process for producing a minute-patterned substrate
NIPPON SHEET GLASS CO LTD40 citations92
US4810547AMar 7, 1989
Substrate with fine grooves and method for manufacturing the same
NIPPON SHEET GLASS CO LTD30 citations91
US5638479AJun 10, 1997
Optical part
NIPPON SHEET GLASS CO LTD41 citations90
US6132843AOct 17, 2000
Glass substrate for magnetic disks
NIPPON SHEET GLASS CO LTD36 citations89
US5055359AOct 8, 1991
Magnetic recording medium with an intermediate protective layer of silicon dioxide and a perfluoroalkylpolyether lubricant layer
NIPPON SHEET GLASS CO LTD21 citations80
US5427867AJun 27, 1995
Substrate used for magnetic disk and magnetic recording medium using the substrate
NIPPON SHEET GLASS CO LTD11 citations71