Inventor
SAKATA AKIFUMI
JP9 patents
⚠️ This page may combine multiple inventors who share the name “SAKATA AKIFUMI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
SEIKO INSTR INC
6 patentsUS5395711AMar 7, 1995
Non-aqueous electrolyte secondary battery and its production method
SEIKO INSTR INC222 citations98
US6083644AJul 4, 2000
Non-aqueous electrolyte secondary battery
SEIKO INSTR INC105 citations97
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
SAKATA AKIFUMI
3 patentsUS8544982B2Oct 1, 2013
Liquid jet head, liquid jet recorder and method for filling liquid jet head with liquid
SAKATA AKIFUMI2 citations55
US8430477B2Apr 30, 2013
Liquid injection head, liquid injection recording apparatus, and method of filling liquid injection head with liquid
SAKATA AKIFUMI1 citations48
US8662643B2Mar 4, 2014
Liquid jet head and liquid jet apparatus
SAKATA AKIFUMI0 citations38