Inventor
WATANABE MASAYOSHI
JP29 patents
⚠️ This page may combine multiple inventors who share the name “WATANABE MASAYOSHI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
HITACHI LTD
5 patentsUS5933407AAug 3, 1999
Structure for supporting optical pickup
HITACHI LTD17 citations92
US5615204AMar 25, 1997
Structure for supporting optical pickup
HITACHI LTD34 citations92
US5255254AOct 19, 1993
Optical disk device
HITACHI LTD15 citations74
US4641297AFeb 3, 1987
Device for mounting an information carrying disc member
HITACHI LTD8 citations74
US6496451B2Dec 17, 2002
Objective lens driving device and optical disc apparatus
HITACHI LTD11 citations73
DEXERIALS CORP
5 patentsUS10047091B2Aug 14, 2018
Ionic liquid, lubricating agent, and magnetic recording medium
DEXERIALS CORP2 citations71
US9920272B2Mar 20, 2018
Ionic liquid, lubricant, and magnetic recording medium
DEXERIALS CORP3 citations71
US10906908B2Feb 2, 2021
Ionic liquid, lubricating agent, and magnetic recording medium
DEXERIALS CORP0 citations60
US10184092B2Jan 22, 2019
Ionic liquid, lubricant, and magnetic recording medium
DEXERIALS CORP0 citations50
US9926508B2Mar 27, 2018
Ionic liquid, lubricant, and magnetic recording medium
DEXERIALS CORP1 citations50
DAI ICHI KOGYO SEIYAKU CO LTD
3 patentsUS6673495B1Jan 6, 2004
Polyelectrolyte, non-aqueous electrolyte, and electrical device containing the same
DAI ICHI KOGYO SEIYAKU CO LTD15 citations83
US7045242B2May 16, 2006
Ion-conductive polymeric compound, polymeric electrolyte and electric device
DAI ICHI KOGYO SEIYAKU CO LTD4 citations62
USRE40302EMay 6, 2008
Polyelectrolyte, non-aqueous electrolyte, and electrical device containing the same
DAI ICHI KOGYO SEIYAKU CO LTD0 citations51
DAISO CO LTD
2 patentsHITACHI MEDIA ELECTRON KK
2 patentsNAT UNIV CORP YOKOHAMA NAT UNIV
2 patentsUS10270090B2Apr 23, 2019
Production method for cathode material of lithium sulfur battery, cathode material of lithium sulfur battery, and lithium sulfur battery
NAT UNIV CORP YOKOHAMA NAT UNIV1 citations59
US9406975B2Aug 2, 2016
Alkali metal-sulfur-based secondary battery
NAT UNIV CORP YOKOHAMA NAT UNIV1 citations43