Inventor
SAKAI SEIICHI
JP19 patents
⚠️ This page may combine multiple inventors who share the name “SAKAI SEIICHI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
SONY CORP
15 patentsUS6658196B2Dec 2, 2003
Editing technique merging video signals recorded on the same optical disk
SONY CORP15 citations83
US6636687B1Oct 21, 2003
Integrated recording and editing apparatus and system
SONY CORP15 citations83
US6453113B1Sep 17, 2002
Editing apparatus and editing method
SONY CORP12 citations73
US5729133AMar 17, 1998
Noncontact type magnetic head for detecting rate-of-wear in a rotating magnetic head
SONY CORP14 citations73
US5321569AJun 14, 1994
Rotary magnetic head drum assembly
SONY CORP15 citations73
US5296976AMar 22, 1994
Magnetic recording/reproducing device
SONY CORP7 citations71
US6657430B2Dec 2, 2003
Noncontact type magnetic hear wear-rate measuring apparatus
SONY CORP4 citations63
US5270873ADec 14, 1993
Signal recording and editing apparatus
SONY CORP6 citations63
US6040693AMar 21, 2000
User initiated magnetic head wear measuring and display system
SONY CORP6 citations62
US5929632AJul 27, 1999
Apparatus for determining magnetic head wear
SONY CORP2 citations62
US5585982ADec 17, 1996
Rotary drum apparatus with head rotation locus adjustment arrangement
SONY CORP5 citations62
US5539585AJul 23, 1996
Apparatus for recording an information signal in a normal record mode and an edit mode
SONY CORP2 citations62
US5410435AApr 25, 1995
Information signal recording apparatus for recording tracking signals in nonadjacent tracking areas of oblique tracks formed on magnetic recording medium
SONY CORP6 citations61
US5253128AOct 12, 1993
Signal recording and reproducing apparatus with redundant control signal head
SONY CORP3 citations54
US7555204B2Jun 30, 2009
Integrated recording and editing apparatus and system
SONY CORP0 citations51