Inventor

OYABU HIROSHI

JP10 patents

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

FUJITSU LTD

3 patents

US7529058B2May 5, 2009

Track pitch examination method of storage apparatus, program, and storage apparatus

FUJITSU LTD9 citations83

US7443628B2Oct 28, 2008

Storage apparatus, spindle motor control method, and program

FUJITSU LTD9 citations82

US7479747B2Jan 20, 2009

Storage device and motor control device

FUJITSU LTD1 citations49

ROHM CO LTD

3 patents

US6490234B1Dec 3, 2002

Optical disk reproducing device

ROHM CO LTD15 citations82

US6577569B1Jun 10, 2003

Optical disk reroducing device

ROHM CO LTD12 citations73

US6603717B1Aug 5, 2003

Optical disk reproducing device with automatic focus control loop

ROHM CO LTD11 citations68

TOSHIBA KK

2 patents

US11373684B2Jun 28, 2022

Magnetic disk apparatus and method

TOSHIBA KK3 citations72

US10319401B1Jun 11, 2019

Magnetic disk device and control method for magnetic disk device

TOSHIBA KK4 citations71

KOSUGI TATSUHIKO

1 patent

US8625230B2Jan 7, 2014

Position demodulator and position demodulation method

KOSUGI TATSUHIKO10 citations81

OYABU HIROSHI

1 patent

US8553345B2Oct 8, 2013

Position demodulation apparatus and position demodulation method

OYABU HIROSHI2 citations56