P

Inventor

NARA TAKASHI

JP86 patents
⚠️ This page may combine multiple inventors who share the name “NARA TAKASHI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

HITACHI LTD

14 patents
US5878097AMar 2, 1999

Signal processing delay circuit

HITACHI LTD158 citations98
US5636254AJun 3, 1997

Signal processing delay circuit

HITACHI LTD70 citations96
US5940416AAug 17, 1999

Digital signal decoding apparatus and a decoding method used therein

HITACHI LTD32 citations92
US5844741ADec 1, 1998

System for reproducing high-density magnetic record data with viterbi detector for generating quadripartite reproduction data

HITACHI LTD40 citations92
US5572163ANov 5, 1996

Active filter control apparatus

HITACHI LTD39 citations92
US6791776B2Sep 14, 2004

Apparatus for information recording and reproducing

HITACHI LTD18 citations91
US5937020AAug 10, 1999

Digital information signal reproducing circuit and digital information system

HITACHI LTD42 citations90
US5614860AMar 25, 1997

Voltage-controlled filter circuit, a semiconductor integrated circuit device for signal processing, and a signal reading apparatus using the circuit and the apparatus

HITACHI LTD21 citations90
US6326838B1Dec 4, 2001

Time sharing analog filters control method and magnetic disk system

HITACHI LTD15 citations84
US6445522B1Sep 3, 2002

Disk device and method of generating signal representing head

HITACHI LTD13 citations82
US6373407B1Apr 16, 2002

Data encoding method for digital data recording and data recording system using the same

HITACHI LTD15 citations82
US6172828B1Jan 9, 2001

Signal processing apparatus and a disk control apparatus, with head positioning control based on digitized servo data

HITACHI LTD9 citations74
US7139143B2Nov 21, 2006

Disk device and method of generating signal representing head

HITACHI LTD10 citations72
US5398047AMar 14, 1995

Semiconductor integrated circuit device including high-speed operating circuit and low-speed operating circuit, and system using the same

HITACHI LTD9 citations66

AUDIO TECHNICA KK

9 patents

FUJITSU LTD

6 patents

KONICA MINOLTA BUSINESS TECH

6 patents

ABBOTT LAB

3 patents

KONICA MINOLTA INC

3 patents

AUDIO-TECHNICA CORP

1 patent

TOKURIKI HONTEN KK

1 patent

HITACHI GLOBAL STORAGE TECH

1 patent

UEDA TADAYUKI

1 patent

FUJI ELECTRIC CO LTD

1 patent

OLYMPUS MEDICAL SYSTEMS CORP

1 patent

PENG YOUBAO

1 patent

OLYMPUS CORP

1 patent

YAMAHA CORP

1 patent

Showing the top 50 of 86 patents by PatentIndex Score.