Inventor
TAKAYAMA SUGURU
JP31 patents
⚠️ This page may combine multiple inventors who share the name “TAKAYAMA SUGURU”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
TDK CORP
25 patentsUS6797413B2Sep 28, 2004
Composite substrate and EL device using the same
TDK CORP26 citations92
US6723192B2Apr 20, 2004
Process for producing a thin film EL device
TDK CORP18 citations92
US4835032AMay 30, 1989
Magnetic recording medium and recording/reproducing method therefor
TDK CORP24 citations92
US4637843AJan 20, 1987
Core of a noise filter comprised of an amorphous alloy
TDK CORP25 citations92
US4596735AJun 24, 1986
Magnetic recording medium and method for making
TDK CORP44 citations92
US5161150ANov 3, 1992
Optical recording medium
TDK CORP25 citations90
US4849304AJul 18, 1989
Optical recording medium
TDK CORP19 citations82
US4701375AOct 20, 1987
Magnetic recording medium
TDK CORP23 citations82
US4550062AOct 29, 1985
Magnetic recording medium
TDK CORP19 citations82
US6709695B2Mar 23, 2004
Composite substrate, method of making, and EL device using the same
TDK CORP6 citations74
US5260921ANov 9, 1993
Magnetooptical recording method
TDK CORP10 citations74
US4902584AFeb 20, 1990
Optical recording medium
TDK CORP14 citations74
US4837116AJun 6, 1989
Magnetic recording medium and recording/reproducing method therefor
TDK CORP11 citations74
US4828899AMay 9, 1989
Magnetic recording medium and recording/reproducing method thereof
TDK CORP15 citations74
US4778707AOct 18, 1988
Magnetic recording medium and recording/reproducing method therefor
TDK CORP15 citations74
US4594296AJun 10, 1986
Magnetic recording medium
TDK CORP8 citations74
US4548871AOct 22, 1985
Magnetic recording medium
TDK CORP8 citations74
US4540600ASep 10, 1985
Process for producing a magnetic recording medium
TDK CORP7 citations74
US6800322B2Oct 5, 2004
Method of making a composite substrate
TDK CORP8 citations73
US6428914B2Aug 6, 2002
Composite substrate, thin-film electroluminescent device using the substrate, and production process for the device
TDK CORP9 citations73
US4861656AAug 29, 1989
Optical recording medium
TDK CORP17 citations73
US4777082AOct 11, 1988
Optical magnetic recording medium
TDK CORP7 citations72
US5968612AOct 19, 1999
Method for the preparation of silicon compound thin film
TDK CORP5 citations63
US5571629ANov 5, 1996
Optical recording medium
TDK CORP3 citations63
US5590099ADec 31, 1996
Magneto-optical recording method and method for making information-carrying magneto-optical recording medium
TDK CORP0 citations52