Inventor
OSHIMA KENJI
JP68 patents
⚠️ This page may combine multiple inventors who share the name “OSHIMA KENJI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
RISO KAGAKU CORP
6 patentsUS6390428B1May 21, 2002
Tube core and holders for stencil sheet roll
RISO KAGAKU CORP30 citations93
US5517913AMay 21, 1996
Stencil printing device using a sensor for detecting an ink type
RISO KAGAKU CORP38 citations92
US7344213B2Mar 18, 2008
Method and system for calculating ink residue and ink container
RISO KAGAKU CORP8 citations72
US6382097B2May 7, 2002
Stencil printing machine and a wrinkle preventing method on a stencil sheet of the stencil printing machine
RISO KAGAKU CORP6 citations63
US7171895B2Feb 6, 2007
Stencil material roll
RISO KAGAKU CORP4 citations62
US7441498B2Oct 28, 2008
Image forming system
RISO KAGAKU CORP2 citations61
OTIS ELEVATOR CO
6 patentsUS6158553ADec 12, 2000
Curtailed operation of multiple-wound induction motor following inverter failure
OTIS ELEVATOR CO39 citations93
US5400204AMar 21, 1995
System for detecting a breakage of a power cable for an elevator system
OTIS ELEVATOR CO22 citations92
US5241255AAug 31, 1993
Failure detector for regeneration power absorbing means
OTIS ELEVATOR CO32 citations92
US5130617AJul 14, 1992
Inverter control device for driving an elevator
OTIS ELEVATOR CO28 citations92
US4995478AFeb 26, 1991
Start compensation device for elevators
OTIS ELEVATOR CO18 citations73
US4987320AJan 22, 1991
Multiphase multiplier
OTIS ELEVATOR CO2 citations62
SEIKO EPSON CORP
6 patentsUSD614693SApr 27, 2010
Multi function printer
SEIKO EPSON CORP28 citations92
USD815196SApr 10, 2018
Printer
SEIKO EPSON CORP12 citations91
USD856413SAug 13, 2019
Printer
SEIKO EPSON CORP6 citations83
USD843444SMar 19, 2019
Printer
SEIKO EPSON CORP3 citations72
US9315031B2Apr 19, 2016
Ink jet recording apparatus
SEIKO EPSON CORP2 citations62
US9283765B2Mar 15, 2016
Liquid ejecting apparatus
SEIKO EPSON CORP1 citations62
MURATA MANUFACTURING CO
5 patentsUS11973187B2Apr 30, 2024
Lithium polymer battery
MURATA MANUFACTURING CO0 citations62
US12418044B2Sep 16, 2025
Solid-state battery
MURATA MANUFACTURING CO0 citations60
US12500317B2Dec 16, 2025
Solid-state battery
MURATA MANUFACTURING CO0 citations52
US12489146B2Dec 2, 2025
Solid state battery
MURATA MANUFACTURING CO0 citations52
US12406990B2Sep 2, 2025
Solid-state battery
MURATA MANUFACTURING CO0 citations52
SEIKOSHA KK
4 patentsUS5124959AJun 23, 1992
Hour chime clock
SEIKOSHA KK102 citations94
US4993006AFeb 12, 1991
Device for turning decoration for timepiece
SEIKOSHA KK36 citations92
US4095130AJun 13, 1978
Synchronous motor
SEIKOSHA KK31 citations90
US4051744AOct 4, 1977
Gear mechanism for preventing reverse rotation
SEIKOSHA KK18 citations82
MATSUNO ATSUHIKO
3 patentsKOMATSU MFG CO LTD
3 patentsDENSO CORP
3 patentsUS7602152B2Oct 13, 2009
Vehicle-use power generation control apparatus
DENSO CORP8 citations82
US7816893B2Oct 19, 2010
Control apparatus for automotive alternator with function of initialization state detection
DENSO CORP6 citations63
US7576520B2Aug 18, 2009
Power generation control device for vehicle generator
DENSO CORP4 citations63
AKIYAMA TERUO
3 patentsMATSUSHITA ELECTRIC INDUSTRIAL CO LTD
2 patentsAGENCY IND SCIENCE TECHN
2 patentsUS5294387AMar 15, 1994
Method of producing fiber-reinforced and particle-dispersion reinforced mullite composite material
AGENCY IND SCIENCE TECHN40 citations92
US5077243ADec 31, 1991
Fiber-reinforced and particle-dispersion reinforced mullite composite material and method of producing the same
AGENCY IND SCIENCE TECHN12 citations73
OSHIMA KENJI
2 patentsNORITAKE CO LTD
1 patentSEIKO EPSON CORPORATON
1 patentNIHON NOHYAKU CO LTD
1 patentISHITOYA MITSUAKI
1 patentIWAMA KAZUYOSHI
1 patentShowing the top 50 of 68 patents by PatentIndex Score.