P

Inventor

TANAKA YOICHIRO

JP60 patents
⚠️ This page may combine multiple inventors who share the name “TANAKA YOICHIRO”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

TOSHIBA KK

24 patents
US5995341ANov 30, 1999

Magnetic disk drive recording a signal with a skew angle

TOSHIBA KK153 citations99
US5815342ASep 29, 1998

Perpendicular magnetic recording/reproducing apparatus

TOSHIBA KK131 citations98
US5510690AApr 23, 1996

Battery pack, battery discrimination control apparatus and method therefor

TOSHIBA KK124 citations98
US5942342AAug 24, 1999

Perpendicular recording medium and magnetic recording apparatus

TOSHIBA KK82 citations96
US5920447AJul 6, 1999

Magnetic disk unit having laminated magnetic heads

TOSHIBA KK66 citations96
US5808973ASep 15, 1998

Near field recording and reproducing apparatus

TOSHIBA KK59 citations96
US5189574AFeb 23, 1993

Flexible information storing disk apparatus having laminar air flow

TOSHIBA KK69 citations96
US4982390AJan 1, 1991

Real time signal recording apparatus for effecting variable signal transfer rate

TOSHIBA KK78 citations96
US5486967AJan 23, 1996

Magnetic disk memory system

TOSHIBA KK68 citations95
US5981054ANov 9, 1999

Magnetic recording medium and method for manufacturing the same

TOSHIBA KK37 citations93
US5949600ASep 7, 1999

Signal reproduction method and magnetic recording and reproducing apparatus using tunnel current

TOSHIBA KK42 citations93
US5854727ADec 29, 1998

Magnetic head and magnetic disk drive

TOSHIBA KK36 citations93
US5812337ASep 22, 1998

Magnetic disk device using reproducing head having a large reproducing width

TOSHIBA KK19 citations93
US5792564AAug 11, 1998

Perpendicular recording medium and magnetic recording apparatus

TOSHIBA KK34 citations93
US5680283AOct 21, 1997

Magnetic head and magnetic disk drive

TOSHIBA KK35 citations93
US6128166AOct 3, 2000

Magnetic head for increasing track density of a magnetic disk

TOSHIBA KK33 citations92
US4761334AAug 2, 1988

Magnetic recording medium

TOSHIBA KK43 citations90
US7443626B2Oct 28, 2008

Patterned disk medium for vertical magnetic recording, and magnetic disk drive with the medium

TOSHIBA KK16 citations84
US7319568B2Jan 15, 2008

Magnetic recording media, magnetic recording apparatus, and stamper

TOSHIBA KK16 citations84
US6846581B2Jan 25, 2005

Perpendicular magnetic recording medium and magnetic recording-reproducing apparatus using the same

TOSHIBA KK14 citations84
US4701374AOct 20, 1987

Magnetic recording medium

TOSHIBA KK23 citations82
US7277262B2Oct 2, 2007

CPP magnetoresistive head including a pair of shields and a sense current preamplifier

TOSHIBA KK7 citations74
US6088181AJul 11, 2000

Magnetic recording/reproducing device using composite head

TOSHIBA KK6 citations74
US4748073AMay 31, 1988

Perpendicular magnetic recording medium with multilayered protective layer

TOSHIBA KK7 citations74

APPLIED MATERIALS INC

8 patents

KOSE CORP

4 patents

SANDISK 3D LLC

3 patents

SCHEUERLEIN ROY E

3 patents

NISSAN MOTOR

2 patents

SANDISK TECHNOLOGIES INC

1 patent

TANAKA YOICHIRO

1 patent

SANDISK TECHNOLOGIES LLC

1 patent

KANSEI KK

1 patent

KANTO SEIKI CO

1 patent

FUNAI ELECTRIC CO

1 patent

Showing the top 50 of 60 patents by PatentIndex Score.