Inventor
NAKAGAWA TATSUYA
JP33 patents
⚠️ This page may combine multiple inventors who share the name “NAKAGAWA TATSUYA”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
EX CELL O CORP
14 patentsUS5699835ADec 23, 1997
Multi-layer plastic hollow pipe
EX CELL O CORP44 citations96
US4907957AMar 13, 1990
Molding apparatus for forming a parison and product of differing materials
EX CELL O CORP35 citations96
US6537484B2Mar 25, 2003
Method for manufacturing a multi-layer plastic pipe
EX CELL O CORP15 citations92
US6319454B1Nov 20, 2001
Method and apparatus for manufacturing a hollow plastic product
EX CELL O CORP15 citations92
US6119731ASep 19, 2000
Hollow plastic product
EX CELL O CORP22 citations92
US5723828AMar 3, 1998
Hollow plastic product having a sound attenuator
EX CELL O CORP47 citations92
US4239474ADec 16, 1980
Apparatus for molding a plastic pipe
EX CELL O CORP42 citations92
US5156796AOct 20, 1992
Forming hollow plastic product partially different in composition and its manufacturing apparatus
EX CELL O CORP29 citations86
US5653265AAug 5, 1997
Hollow plastic product
EX CELL O CORP12 citations82
US5198174AMar 30, 1993
Method for producing a hollow plastic product having a radially extending portion
EX CELL O CORP20 citations82
US4362688ADec 7, 1982
Method for molding a plastic pipe
EX CELL O CORP27 citations82
US7316427B2Jan 8, 2008
Hollow plastic product having a connector pipe
EX CELL O CORP6 citations73
US6251332B1Jun 26, 2001
Method for manufacturing a multilayer plastic pipe
EX CELL O CORP13 citations73
US7678324B2Mar 16, 2010
Method for forming a hollow plastic product
EX CELL O CORP2 citations62
KYOCERA DOCUMENT SOLUTIONS INC
10 patentsUS9285702B2Mar 15, 2016
Image forming apparatus and image forming method
KYOCERA DOCUMENT SOLUTIONS INC4 citations73
US8929756B2Jan 6, 2015
Developing device, image forming apparatus, and method for changing duty ratio
KYOCERA DOCUMENT SOLUTIONS INC3 citations63
US12292710B2May 6, 2025
Image forming apparatus that includes an eraser drive circuit
KYOCERA DOCUMENT SOLUTIONS INC0 citations52
US12472740B2Nov 18, 2025
Liquid ejection apparatus and liquid viscosity detection method capable of detecting viscosity of liquid
KYOCERA DOCUMENT SOLUTIONS INC0 citations48
US12466180B2Nov 11, 2025
Signal generation device, liquid ejection device, and signal generation method capable of suppressing extension of liquid ejection interval
KYOCERA DOCUMENT SOLUTIONS INC0 citations48
US12447741B2Oct 21, 2025
Liquid ejection apparatus and determination method capable of determining whether or not liquid filling of pressure chamber has been completed
KYOCERA DOCUMENT SOLUTIONS INC0 citations48
US12441102B2Oct 14, 2025
Liquid ejection apparatus and abnormality detection method capable of detecting abnormality of nozzle
KYOCERA DOCUMENT SOLUTIONS INC0 citations48
US10133225B2Nov 20, 2018
Image forming apparatus
KYOCERA DOCUMENT SOLUTIONS INC0 citations42
US9471002B2Oct 18, 2016
Power supply unit for applying a voltage to a developer carrier, image forming apparatus, and method for applying voltage
KYOCERA DOCUMENT SOLUTIONS INC0 citations42
US8953963B2Feb 10, 2015
Developing device, image forming apparatus, and method for controlling developing device
KYOCERA DOCUMENT SOLUTIONS INC0 citations41
TOSHIBA KK
5 patentsUS5451751ASep 19, 1995
High-frequency heating apparatus with wave guide switching means and selective power switching means for magnetron
TOSHIBA KK68 citations96
US5183984AFeb 2, 1993
Cooking apparatus with cooking information display means
TOSHIBA KK36 citations92
US5222015AJun 22, 1993
Inverter power supply with input power detection means
TOSHIBA KK10 citations74
US5373145ADec 13, 1994
Cooking apparatus operated by a single operational key that automatically sets a most suitable cooking mode
TOSHIBA KK13 citations72
US7203071B2Apr 10, 2007
Component mounting circuit board with resin-molded section covering circuit pattern and inner components
TOSHIBA KK6 citations63