Inventor
ARAKAWA MASAYUKI
JP37 patents
⚠️ This page may combine multiple inventors who share the name “ARAKAWA MASAYUKI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
SHIMANO KK
10 patentsUS7090603B2Aug 15, 2006
Rear derailleur with a shock absorber disposed between a base member and a mounting member
SHIMANO KK27 citations93
US7166048B2Jan 23, 2007
Bicycle derailleur with protective support
SHIMANO KK24 citations92
USD532342SNov 21, 2006
Bicycle crank
SHIMANO KK25 citations92
USD561075SFeb 5, 2008
Bicycle shifter
SHIMANO KK9 citations84
USD551131SSep 18, 2007
Rear derailleur
SHIMANO KK13 citations84
USD534102SDec 26, 2006
Bicycle derailleur
SHIMANO KK13 citations84
USD561076SFeb 5, 2008
Bicycle shifter
SHIMANO KK7 citations74
USD534103SDec 26, 2006
Rear derailleur
SHIMANO KK10 citations74
USD579825SNov 4, 2008
Bicycle chain ring cover
SHIMANO KK2 citations63
USD527315SAug 29, 2006
Bicycle crank arm portion
SHIMANO KK4 citations63
TOSHIBA KK
7 patentsUS6528870B2Mar 4, 2003
Semiconductor device having a plurality of stacked wiring boards
TOSHIBA KK179 citations96
US4858064AAug 15, 1989
Thick-film high frequency signal circuit apparatus with feedthrough capacitor
TOSHIBA KK47 citations92
US7024865B2Apr 11, 2006
Thermoelectric device
TOSHIBA KK12 citations82
US6472734B2Oct 29, 2002
Stacked semiconductor device and method for manufacturing the same
TOSHIBA KK13 citations73
US7278199B2Oct 9, 2007
Method of making a thermoelectric device
TOSHIBA KK8 citations72
US6861675B2Mar 1, 2005
Optically coupled semiconductor device and method for manufacturing the same
TOSHIBA KK8 citations72
US5521779AMay 28, 1996
Rotary magnetic head apparatus which includes a device for electrically connecting a circuit board, a rotor, and magnetic heads
TOSHIBA KK5 citations62
HITACHI HIGH TECH CORP
7 patentsUSD989831SJun 20, 2023
Apparatus for evaluating semiconductor substrate
HITACHI HIGH TECH CORP2 citations72
USD1084340SJul 15, 2025
Radiation therapy device
HITACHI HIGH TECH CORP1 citations64
USD1083881SJul 15, 2025
Controller for medical equipment
HITACHI HIGH TECH CORP0 citations62
USD1079014SJun 10, 2025
Patient table
HITACHI HIGH TECH CORP0 citations62
USD1110497SJan 27, 2026
Clinical analyzer
HITACHI HIGH TECH CORP0 citations61
USD989830SJun 20, 2023
Semiconductor substrate transfer apparatus
HITACHI HIGH TECH CORP0 citations61
USD989144SJun 13, 2023
Apparatus for evaluating semiconductor substrate
HITACHI HIGH TECH CORP1 citations61
BROTHER IND LTD
6 patentsUS6679578B2Jan 20, 2004
Ink-jet recording apparatus
BROTHER IND LTD20 citations92
US5058401AOct 22, 1991
Washing, dehydrating and drying machine
BROTHER IND LTD28 citations90
US5000015AMar 19, 1991
Washing and dehydrating machine
BROTHER IND LTD25 citations90
US7198351B2Apr 3, 2007
Ink jet recording apparatus
BROTHER IND LTD13 citations84
US6222608B1Apr 24, 2001
Image forming device for forming image on roll of photosensitive/pressure-sensitive recording medium
BROTHER IND LTD4 citations63
US7303270B2Dec 4, 2007
Ink-jet head
BROTHER IND LTD0 citations42
SUMITOMO CHEMICAL CO
4 patentsUS10537871B2Jan 21, 2020
System for producing polyolefin, method of producing polyolefin, and method of producing heterophasic propylene polymer material
SUMITOMO CHEMICAL CO1 citations59
US11261268B2Mar 1, 2022
Method for producing heterophasic propylene polymerization material particles
SUMITOMO CHEMICAL CO0 citations52
US10815319B2Oct 27, 2020
Method for producing heterophasic propylene polymer material
SUMITOMO CHEMICAL CO0 citations38
US10815315B2Oct 27, 2020
Method for producing polyolefin
SUMITOMO CHEMICAL CO0 citations38