Assignee
TOKUDEN KK
JP34 patents
Top patents by PatentIndex Score
US5895598AApr 20, 1999
Roller apparatus with magnetic induction heating arrangement
TOKUDEN KK41 citations91
US5553729ASep 10, 1996
Induction heating roller apparatus
TOKUDEN KK21 citations91
US6670588B2Dec 30, 2003
Inductive heating roller apparatus
TOKUDEN KK14 citations80
US7420141B2Sep 2, 2008
Thermal processing roller and temperature control apparatus for roller
TOKUDEN KK13 citations79
US6992272B2Jan 31, 2006
Thermal processing roller and temperature control apparatus for roller
TOKUDEN KK11 citations79
US10510480B2Dec 17, 2019
Power circuit, iron core for Scott connected transformer, Scott connected transformer, and superheated steam generator
TOKUDEN KK3 citations72
US10337725B2Jul 2, 2019
Superheated steam generator
TOKUDEN KK2 citations72
US10145744B2Dec 4, 2018
Induction-heated roller apparatus
TOKUDEN KK2 citations72
US9709262B2Jul 18, 2017
Superheated steam recycling apparatus and method for using same
TOKUDEN KK2 citations72
US9622297B2Apr 11, 2017
Metallic body induction heating apparatus
TOKUDEN KK2 citations72
US6373035B1Apr 16, 2002
Induction-heating roller device
TOKUDEN KK11 citations72
US5393959AFeb 28, 1995
Induction heating roller apparatus
TOKUDEN KK15 citations72
US6437301B1Aug 20, 2002
Induction heating roller apparatus
TOKUDEN KK12 citations70
US4647744AMar 3, 1987
Rotating heating roller of the type having a three phase circumferentially laminated leg core
TOKUDEN KK14 citations64
US11333351B2May 17, 2022
Superheated steam generator
TOKUDEN KK0 citations62
US6340811B1Jan 22, 2002
Induction-heated roller device
TOKUDEN KK2 citations62
US10978243B2Apr 13, 2021
Power circuit, iron core for Scott connected transformer, Scott connected transformer, and superheated steam generator
TOKUDEN KK0 citations60
USD771728SNov 15, 2016
Three-leg iron core
TOKUDEN KK2 citations60
US11812537B2Nov 7, 2023
Induction heated roll apparatus
TOKUDEN KK0 citations54
US10840011B2Nov 17, 2020
Power circuit, iron core for scott connected transformer, scott connected transformer, and superheated steam generator
TOKUDEN KK0 citations51
US10650962B2May 12, 2020
Power circuit, iron core for Scott connected transformer, Scott connected transformer, and superheated steam generator
TOKUDEN KK0 citations50
US10206249B2Feb 12, 2019
Fluid heating device
TOKUDEN KK0 citations50
USD800061SOct 17, 2017
Transformer
TOKUDEN KK1 citations50
US11818825B2Nov 14, 2023
Induction heated roll apparatus
TOKUDEN KK0 citations47
US10194491B2Jan 29, 2019
Induction heat generation roller device
TOKUDEN KK0 citations47
US10999900B2May 4, 2021
Induction heated roll apparatus
TOKUDEN KK0 citations44
US12363804B2Jul 15, 2025
Induction heated roll apparatus
TOKUDEN KK0 citations43
US10314117B2Jun 4, 2019
Induction heating system
TOKUDEN KK0 citations41
US9854627B2Dec 26, 2017
Induction heating system
TOKUDEN KK0 citations41
US9277599B2Mar 1, 2016
Spinning pack heating device and melt spinning apparatus
TOKUDEN KK0 citations41
US10352554B2Jul 16, 2019
Superheated steam generator
TOKUDEN KK0 citations40
US10212764B2Feb 19, 2019
Induction heated roll apparatus
TOKUDEN KK0 citations40
US10779364B2Sep 15, 2020
Induction heated roll apparatus
TOKUDEN KK0 citations39
US10011775B2Jul 3, 2018
Oil purifying apparatus
TOKUDEN KK0 citations32