Inventor
SEKI YUKUHARU
JP24 patents
⚠️ This page may combine multiple inventors who share the name “SEKI YUKUHARU”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
MITSUBISHI HEAVY IND LTD
23 patentsUS6136417AOct 24, 2000
Corrugator and corrugated fiberboard sheet manufacturing method
MITSUBISHI HEAVY IND LTD44 citations92
US5876530AMar 2, 1999
Method and apparatus for single facer glue application adjustment
MITSUBISHI HEAVY IND LTD28 citations92
US5785802AJul 28, 1998
Method and apparatus for single facer glue application adjustment
MITSUBISHI HEAVY IND LTD35 citations92
US5496431AMar 5, 1996
Method and system for changing product specifications in a corrugation machine
MITSUBISHI HEAVY IND LTD23 citations92
US5389183AFeb 14, 1995
Single-facer
MITSUBISHI HEAVY IND LTD28 citations92
US5344520ASep 6, 1994
Single-faced corrugated cardboard sheet making machine having an adjustable pressing means
MITSUBISHI HEAVY IND LTD39 citations92
US5518457AMay 21, 1996
Belt adjusting device and single facer
MITSUBISHI HEAVY IND LTD36 citations89
US5993587ANov 30, 1999
Double facer with threading means
MITSUBISHI HEAVY IND LTD20 citations79
US5122220AJun 16, 1992
Corrugating machine capable of controlling paste penetration
MITSUBISHI HEAVY IND LTD15 citations74
US4310375AJan 12, 1982
Lower corrugating roll in a single facer
MITSUBISHI HEAVY IND LTD14 citations74
US7699084B2Apr 20, 2010
System for fabricating corrugated board
MITSUBISHI HEAVY IND LTD5 citations73
US4776578AOct 11, 1988
Apparatus for preventing disorder in sheet alignment
MITSUBISHI HEAVY IND LTD15 citations73
US5910230AJun 8, 1999
Stuck sheet material manufacturing system equipped with pressure device
MITSUBISHI HEAVY IND LTD11 citations72
US4846778AJul 11, 1989
Slitter scorer including a head exchanging device
MITSUBISHI HEAVY IND LTD10 citations72
US4843933AJul 4, 1989
Apparatus for determining positions of heads
MITSUBISHI HEAVY IND LTD11 citations72
US6032713AMar 7, 2000
Corrugated board manufacturing system
MITSUBISHI HEAVY IND LTD10 citations70
US5150514ASep 29, 1992
Corrugating roll unit exchanging apparatus for a single facer
MITSUBISHI HEAVY IND LTD18 citations69
US5116448AMay 26, 1992
Single facer capable of maintaining a constant roll gap
MITSUBISHI HEAVY IND LTD13 citations68
US4889580ADec 26, 1989
Double facer
MITSUBISHI HEAVY IND LTD18 citations67
US7669629B2Mar 2, 2010
System for fabricating corrugated board
MITSUBISHI HEAVY IND LTD3 citations62
US4773963ASep 27, 1988
Single facer with replacable rollers
MITSUBISHI HEAVY IND LTD5 citations62
US6325881B1Dec 4, 2001
Phase control method and system for corrugated fiberboard sheet comprising a plurality of core paper layers
MITSUBISHI HEAVY IND LTD3 citations61
US6117261ASep 12, 2000
Sheet tension adjusting method and apparatus
MITSUBISHI HEAVY IND LTD2 citations61