Inventor
NISHIKAWA TOMOYUKI
JP59 patents
⚠️ This page may combine multiple inventors who share the name “NISHIKAWA TOMOYUKI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
ASAHI OPTICAL CO LTD
28 patentsUS5787321AJul 28, 1998
Temperature controlling device for fixing unit
ASAHI OPTICAL CO LTD88 citations95
US5479242ADec 26, 1995
Fan system for electrophotographic apparatus
ASAHI OPTICAL CO LTD20 citations93
US5956554ASep 21, 1999
Sheet drying prevention device
ASAHI OPTICAL CO LTD40 citations92
US5835835ANov 10, 1998
Fixing unit having press roller opening/closing mechanisms
ASAHI OPTICAL CO LTD28 citations92
US5493377AFeb 20, 1996
Continuous form printer
ASAHI OPTICAL CO LTD23 citations92
US5432593AJul 11, 1995
Sheet overheat prevention mechanism for fixing device
ASAHI OPTICAL CO LTD27 citations92
US5321479AJun 14, 1994
Electrophotographic apparatus
ASAHI OPTICAL CO LTD26 citations92
US5109255AApr 28, 1992
Temperature control system
ASAHI OPTICAL CO LTD51 citations92
US5926680AJul 20, 1999
Fixing unit
ASAHI OPTICAL CO LTD17 citations83
US6101365AAug 8, 2000
Image generating apparatus with tension unit for adjusting tension of continuous paper
ASAHI OPTICAL CO LTD12 citations74
US5649274AJul 15, 1997
Electrophotographic printer using a continuous-form recording sheet
ASAHI OPTICAL CO LTD7 citations74
US5565972AOct 15, 1996
Electrophotographic printer using a continuous-form recording sheet
ASAHI OPTICAL CO LTD10 citations74
US5532811AJul 2, 1996
Sheet feed mechanism with control for advancement and retraction of paper
ASAHI OPTICAL CO LTD16 citations74
US5475481ADec 12, 1995
Fixing device for electrophotographic imaging apparatus
ASAHI OPTICAL CO LTD8 citations74
US5355203AOct 11, 1994
Heat roll fixing unit with uniform heat distribution
ASAHI OPTICAL CO LTD11 citations74
US5315359AMay 24, 1994
Heat roll fixing unit
ASAHI OPTICAL CO LTD19 citations74
US5187528AFeb 16, 1993
Electrophotographic image forming apparatus having continuous form skew prevention
ASAHI OPTICAL CO LTD13 citations74
US5184952AFeb 9, 1993
Heat roll fixing unit
ASAHI OPTICAL CO LTD7 citations74
US5170214ADec 8, 1992
Fixing device having a cleaning element
ASAHI OPTICAL CO LTD12 citations74
US5148284ASep 15, 1992
Data recovery device for printer
ASAHI OPTICAL CO LTD19 citations74
US5101228AMar 31, 1992
Storage vessel detecting mechanism
ASAHI OPTICAL CO LTD11 citations74
US5061957AOct 29, 1991
Power controlling device
ASAHI OPTICAL CO LTD12 citations74
US5842100ANov 24, 1998
Fixing unit
ASAHI OPTICAL CO LTD10 citations73
US5101239AMar 31, 1992
Transfer device for electrophotographic printer
ASAHI OPTICAL CO LTD14 citations72
US5785440AJul 28, 1998
Form feeding stabilization device
ASAHI OPTICAL CO LTD6 citations63
US5515149AMay 7, 1996
Sheet feed mechanism with speed feeders
ASAHI OPTICAL CO LTD5 citations63
US5181076AJan 19, 1993
Jam prevention mechanism
ASAHI OPTICAL CO LTD4 citations63
US5386280AJan 31, 1995
Electrophotographic imaging apparatus with continuous form feeder located after fixing device
ASAHI OPTICAL CO LTD1 citations52
ANDO ELECTRIC
4 patentsUS5812253ASep 22, 1998
Measuring apparatus for optical fiber amplifier and adjustment method for the same
ANDO ELECTRIC10 citations74
US6204950B1Mar 20, 2001
Optical-fiber-amplifier measuring apparatus
ANDO ELECTRIC2 citations63
US5740063AApr 14, 1998
Measuring instrument
ANDO ELECTRIC3 citations63
US6008930ADec 28, 1999
Acoustooptical modulator
ANDO ELECTRIC3 citations57
SEIREN CO LTD
3 patentsUS7261407B2Aug 28, 2007
Process and printing apparatus for ink jet printing on cloth using ultraviolet ray curable ink
SEIREN CO LTD7 citations71
US7037952B2May 2, 2006
Ultraviolet ray curable ink, ink composition for ink jet and process for preparing ink jet printed matter using the same
SEIREN CO LTD10 citations71
US7264330B2Sep 4, 2007
Ultraviolet ray curable ink, ink composition for ink jet and process for preparing ink jet printed matter using the same
SEIREN CO LTD2 citations60
Nissin chemical ind co ltd
3 patentsUS11845872B2Dec 19, 2023
Dispersion composition, dispersion and ink composition, and method of producing the same
Nissin chemical ind co ltd0 citations62
US11542403B2Jan 3, 2023
Dispersion composition, dispersion and ink composition, and method of producing the same
Nissin chemical ind co ltd0 citations62
US11066568B2Jul 20, 2021
Dispersant, dispersion and ink composition, and preparing method thereof
Nissin chemical ind co ltd0 citations52
EXEDY CORP
2 patentsKYOWA KIRIN CO LTD
2 patentsMITSUBISHI HEAVY IND COMPRESSOR CORP
1 patentTANAKA SATOSHI
1 patentGENOMIDEA INC
1 patentANDOH TAKAYUKI
1 patentSAMEI MASAHIRO
1 patentKABATA TOSHIYUKI
1 patentNISHIKAWA TOMOYUKI
1 patentUNIV OSAKA
1 patentShowing the top 50 of 59 patents by PatentIndex Score.