P

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 patents
US5787321AJul 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 patents

SEIREN CO LTD

3 patents

Nissin chemical ind co ltd

3 patents

EXEDY CORP

2 patents

KYOWA KIRIN CO LTD

2 patents

MITSUBISHI HEAVY IND COMPRESSOR CORP

1 patent

TANAKA SATOSHI

1 patent

GENOMIDEA INC

1 patent

ANDOH TAKAYUKI

1 patent

SAMEI MASAHIRO

1 patent

KABATA TOSHIYUKI

1 patent

NISHIKAWA TOMOYUKI

1 patent

UNIV OSAKA

1 patent

Showing the top 50 of 59 patents by PatentIndex Score.