Inventor
MARUYAMA TAKAO
JP23 patents
⚠️ This page may combine multiple inventors who share the name “MARUYAMA TAKAO”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
NEC CORP
6 patentsUS5555147ASep 10, 1996
MR/inductive combined thin film magnetic head capable of reducing occurrence of a short circuit
NEC CORP31 citations92
US4954920ASep 4, 1990
Thin film magnetic head
NEC CORP29 citations92
US5235484AAug 10, 1993
Low profile magnetic transducer assembly with negative pressure slider
NEC CORP8 citations73
US5140484AAug 18, 1992
Magnetoresistive head having electrodes with a predetermined length and positioned to form a predetermined angle with the head surface
NEC CORP10 citations73
US4750070AJun 7, 1988
Thin film magnetic head with a magnetic gap spacer of a thermally decomposed polymer
NEC CORP8 citations73
US5471349ANov 28, 1995
Drive circuit for a dual-element magnetic head assembly which includes an encodor, flip-flop circuit, record bit adding circuit, and record amplifier
NEC CORP0 citations41
SONY CORP
5 patentsUS7042821B2May 9, 2006
Disk drive apparatus for optimum motor control
SONY CORP6 citations72
US6597140B2Jul 22, 2003
Sensorless motor starting system
SONY CORP9 citations72
US7099247B2Aug 29, 2006
Disk drive apparatus
SONY CORP4 citations61
US7006413B2Feb 28, 2006
Disk driving apparatus
SONY CORP3 citations61
US9953128B2Apr 24, 2018
Identification apparatus, control apparatus, identification method, program, and identification system
SONY CORP0 citations52
SONY INTERACTIVE ENTERTAINMENT INC
3 patentsUS10591735B2Mar 17, 2020
Head-mounted display device and image display system
SONY INTERACTIVE ENTERTAINMENT INC2 citations73
US12558449B2Feb 24, 2026
Gas sensor device, information processing apparatus, and odor presentation system
SONY INTERACTIVE ENTERTAINMENT INC0 citations61
US10353207B2Jul 16, 2019
Head-mounted display device and video display system
SONY INTERACTIVE ENTERTAINMENT INC0 citations42
YOKOGAWA ELECTRIC CORP
3 patentsUS6605185B2Aug 12, 2003
Method of manipulating dryer steam pressure in paper machine during grade change and apparatus for the method
YOKOGAWA ELECTRIC CORP8 citations71
US6904331B2Jun 7, 2005
Method of paper machine control and apparatus for the method
YOKOGAWA ELECTRIC CORP6 citations60
US6547930B2Apr 15, 2003
Method for estimating dryer vapor pressure in papermaking machine and apparatus therefor
YOKOGAWA ELECTRIC CORP0 citations39