Inventor
SHIMIZU RYOSUKE
JP37 patents
⚠️ This page may combine multiple inventors who share the name “SHIMIZU RYOSUKE”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD
7 patentsUS4761774AAug 2, 1988
Optical disc drive apparatus
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD42 citations92
US6466385B1Oct 15, 2002
Method and apparatus of forming a magnetic disk with a servo sector and a data sector on a spiral track
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD25 citations90
US5526328AJun 11, 1996
Recording and reproducing apparatus with varying amounts of data in different tracks
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD39 citations89
US5383068AJan 17, 1995
Head position recognition method, a speed calculation method, and a head movement speed control device
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD32 citations89
US5335123AAug 2, 1994
Apparatus and method for head-positioning on a rotatable recording medium
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD17 citations73
US5396380AMar 7, 1995
Resolution enhancement of absolute track position using iterative process and position bursts with track following capability
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD8 citations72
US5402287AMar 28, 1995
Resolution enhancement of absolute track position using iterative process and position bursts
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD1 citations50
AUDIO TECHNICA KK
4 patentsUSD965009SSep 27, 2022
Display screen or portion thereof with graphical user interface
AUDIO TECHNICA KK17 citations94
USD964388SSep 20, 2022
Display screen or portion thereof with graphical user interface
AUDIO TECHNICA KK22 citations94
USD965008SSep 27, 2022
Display screen or portion thereof with graphical user interface
AUDIO TECHNICA KK12 citations85
USD964389SSep 20, 2022
Display screen or portion thereof with graphical user interface
AUDIO TECHNICA KK7 citations85
HITACHI AUTOMOTIVE SYSTEMS LTD
3 patentsUS9583003B2Feb 28, 2017
Vehicle danger notification control apparatus
HITACHI AUTOMOTIVE SYSTEMS LTD8 citations84
US11273830B2Mar 15, 2022
Vehicle control device
HITACHI AUTOMOTIVE SYSTEMS LTD2 citations73
US10421491B2Sep 24, 2019
Vehicular steering assistance control device
HITACHI AUTOMOTIVE SYSTEMS LTD4 citations73
TOPCON CORP
3 patentsUS11808571B2Nov 7, 2023
Surveying system, staking assistance method, and storage medium storing staking assistance program
TOPCON CORP5 citations71
US12352575B2Jul 8, 2025
Survey method, mobile terminal, survey system, and storage medium
TOPCON CORP0 citations48
US12140428B2Nov 12, 2024
Surveying assistance device, surveying assistance system, surveying assistance method, and storage medium
TOPCON CORP0 citations48
FUJIFILM CORP
3 patentsKURARAY CO
3 patentsPANASONIC CORP
2 patentsUS7706531B2Apr 27, 2010
Recording apparatus, reproduction apparatus, data processing apparatus, recording and reproduction apparatus and data transmission apparatus and corresponding methods
PANASONIC CORP14 citations82
US7823213B2Oct 26, 2010
Recording apparatus, reproduction apparatus, data processing apparatus, recording and reproduction apparatus and data transmission apparatus and corresponding methods
PANASONIC CORP2 citations60