Inventor
SAKAI TSUGIO
JP25 patents
⚠️ This page may combine multiple inventors who share the name “SAKAI TSUGIO”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
SEIKO INSTR INC
16 patentsUS5395711AMar 7, 1995
Non-aqueous electrolyte secondary battery and its production method
SEIKO INSTR INC222 citations98
US6489062B1Dec 3, 2002
Non-aqueous electrolyte secondary battery having heat-resistant electrodes
SEIKO INSTR INC89 citations97
US6083644AJul 4, 2000
Non-aqueous electrolyte secondary battery
SEIKO INSTR INC105 citations97
US5556721ASep 17, 1996
Non-aqueous electrolyte secondary battery and production method of the same
SEIKO INSTR INC65 citations96
US6459564B1Oct 1, 2002
Electrical double layer capacitor and portable electronic apparatus equipped with electrical double layer capacitor
SEIKO INSTR INC57 citations95
US6586139B1Jul 1, 2003
Alkaline battery without mercury and electronic apparatus powered thereby
SEIKO INSTR INC25 citations92
US6445566B2Sep 3, 2002
Power source element
SEIKO INSTR INC48 citations92
USRE35818EJun 2, 1998
Non-aqueous electrolyte secondary battery and method of producing the same
SEIKO INSTR INC27 citations92
US5620812AApr 15, 1997
Non-aqueous electrolyte secondary battery
SEIKO INSTR INC44 citations92
US5506075AApr 9, 1996
Non-aqueous electrolyte secondary battery and method of producing the same
SEIKO INSTR INC49 citations92
US5401599AMar 28, 1995
Non-aqueous electrolyte secondary battery and method of producing the same
SEIKO INSTR INC49 citations92
US6623885B1Sep 23, 2003
Power source element having connecting terminals
SEIKO INSTR INC8 citations74
US6625008B2Sep 23, 2003
Electrical double layer capacitor and portable electronic apparatus equipped with electrical double layer capacitor
SEIKO INSTR INC11 citations73
US6395425B1May 28, 2002
Non-aqueous electrolyte secondary battery with a lithium copper titanium oxide electrode
SEIKO INSTR INC7 citations73
US7749649B2Jul 6, 2010
Electrochemical cell having container with embedded positive electrode current collector
SEIKO INSTR INC3 citations62
US7399321B2Jul 15, 2008
Soldering method of nonaqueous-electrolyte secondary-battery
SEIKO INSTR INC2 citations59
SII MICRO PARTS LTD
4 patentsUS6713215B2Mar 30, 2004
Non-aqueous electrolyte rechargeable batteries
SII MICRO PARTS LTD17 citations83
US7169506B2Jan 30, 2007
Electrochemical cell
SII MICRO PARTS LTD6 citations73
US6733544B2May 11, 2004
Method of producing electrical double layer capacitor and method of mounting electrical double layer capacitor on a circuit substrate
SII MICRO PARTS LTD11 citations72
US7311995B2Dec 25, 2007
Electrochemical cell
SII MICRO PARTS LTD6 citations61
SEIKO ELECTRONIC COMPONENTS
2 patentsUS5286582AFeb 15, 1994
Monaqueous electrolyte secondary battery and process for producing positive active materials
SEIKO ELECTRONIC COMPONENTS95 citations96
US5478670ADec 26, 1995
Non-aqueous electrolyte electrochemical cell comprising high Ni austenitic stainless steel positive electrode case
SEIKO ELECTRONIC COMPONENTS12 citations68