P

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 patents
US6658196B2Dec 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

HITACHI LTD

2 patents

SHIKOKU ELEC POWER

1 patent

DAIKIN IND LTD

1 patent