Inventor
AOYAMA SHIGEO
JP34 patents
⚠️ This page may combine multiple inventors who share the name “AOYAMA SHIGEO”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
HITACHI MAXELL
23 patentsUS6275371B1Aug 14, 2001
Electrode material for electrochemical capacitor, electrochemical capacitor comprising the same, and method for the production of the same
HITACHI MAXELL53 citations94
US6113680ASep 5, 2000
Pigmented ink and process for production thereof
HITACHI MAXELL31 citations92
US6099627AAug 8, 2000
Dispersion ink
HITACHI MAXELL44 citations92
US5944883AAug 31, 1999
Ultrafine particle organic pigment color ink and method for producing the same
HITACHI MAXELL20 citations92
US7455935B2Nov 25, 2008
Ion-conductive electrolyte and cell employing the same
HITACHI MAXELL20 citations90
US6013124AJan 11, 2000
Pigment ink for ink-jet recording
HITACHI MAXELL19 citations89
US7407727B2Aug 5, 2008
Electrode used for a non-aqueous electrolyte secondary battery and a non-aqueous electrolyte secondary battery used the same for a negative electrode
HITACHI MAXELL11 citations84
US6489057B1Dec 3, 2002
Positive electrode-active material and lithium cell comprising the same
HITACHI MAXELL16 citations84
US7507502B2Mar 24, 2009
Negative electrode having intermetallic compound that occludes/desorbs lithium as an active material layer on collector for non-aqueous secondary battery and non-aqueous secondary battery using the same
HITACHI MAXELL9 citations83
US7341805B2Mar 11, 2008
Lithium-containing complex oxide, non-aqueous secondary battery using the lithium-containing complex oxide, and method for producing the lithium-containing complex oxide
HITACHI MAXELL11 citations83
US7316862B2Jan 8, 2008
Active material for electrode and non-aqueous secondary battery using the same
HITACHI MAXELL12 citations83
US7351500B2Apr 1, 2008
Lithium-containing composite oxide and nonaqueous secondary cell using the same, and method for manufacturing the same
HITACHI MAXELL7 citations73
US4830923AMay 16, 1989
Magnetic recording medium
HITACHI MAXELL16 citations73
US5964930AOct 12, 1999
Black pigment ink and method for producing the same
HITACHI MAXELL7 citations72
US4465735AAug 14, 1984
Magnetic recording medium
HITACHI MAXELL5 citations63
US4444835AApr 24, 1984
Magnetic recording medium
HITACHI MAXELL6 citations63
US4741952AMay 3, 1988
Magnetic recording medium
HITACHI MAXELL5 citations62
US4349608ASep 14, 1982
Magnetic recording medium
HITACHI MAXELL6 citations61
US4895763AJan 23, 1990
Magnetic recording medium and non-aqueous suspension of inorganic solid particles for use in the production of the same
HITACHI MAXELL2 citations60
US6989218B2Jan 24, 2006
Composite electrode material and method for producing the same, and electrochemical element using the same
HITACHI MAXELL2 citations59
US4701371AOct 20, 1987
Magnetic recording medium
HITACHI MAXELL1 citations52
US6562313B2May 13, 2003
Electrode material for electrochemical capacitor, electrochemical capacitor comprising the same, and method for the production of the same
HITACHI MAXELL0 citations51
US7432016B2Oct 7, 2008
Electrode for non-aqueous secondary battery and non-aqueous secondary battery using the same
HITACHI MAXELL1 citations47