P

Inventor

HASEGAWA TAKANORI

JP59 patents
⚠️ This page may combine multiple inventors who share the name “HASEGAWA TAKANORI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

RISO KAGAKU CORP

35 patents
US5188301AFeb 23, 1993

Disposal device for paper documents

RISO KAGAKU CORP79 citations96
US4628813ADec 16, 1986

Stencil duplicator providing automatic stencil performation, charging, printing, and disposal

RISO KAGAKU CORP66 citations94
US5375516ADec 27, 1994

Stencil printing device having a plurality of printing drums arranged on an incline

RISO KAGAKU CORP29 citations93
US5354001AOct 11, 1994

Disposal device for reading, storing information from, and shredding paper documents

RISO KAGAKU CORP50 citations93
US5666191ASep 9, 1997

Sheet printd information obliterating device

RISO KAGAKU CORP38 citations92
US5022642AJun 11, 1991

Sheet feeding device for a image developing and processing machine

RISO KAGAKU CORP29 citations92
US5592209AJan 7, 1997

Device and method for dot-matrix thermal recording

RISO KAGAKU CORP24 citations91
US5537920AJul 23, 1996

Rotary stencil printing drum equipped with a wireless data communication device

RISO KAGAKU CORP35 citations91
US4568951AFeb 4, 1986

Thermal printing with normal and reverse image

RISO KAGAKU CORP28 citations91
US5133919AJul 28, 1992

Apparatus for disposing of a used thermal stencil master sheet and a process for disposing of the same

RISO KAGAKU CORP18 citations81
US4406530ASep 27, 1983

Reflecting type overhead projector with automatically variable safety illumination

RISO KAGAKU CORP23 citations81
US5596925AJan 28, 1997

Method and device for pressure type stencil printing

RISO KAGAKU CORP15 citations74
US5553539ASep 10, 1996

Master plate making printing device

RISO KAGAKU CORP8 citations74
US5520108AMay 28, 1996

Ejected master plate processing device for a stencil printing device

RISO KAGAKU CORP10 citations74
US5513565AMay 7, 1996

Stencil printing device, and assembly for supporting a plurality of printing drums

RISO KAGAKU CORP8 citations74
US5450789ASep 19, 1995

Stencil printing method

RISO KAGAKU CORP13 citations74
US5443557AAug 22, 1995

Printing drum assembly for a stencil printing device

RISO KAGAKU CORP12 citations74
US5398847AMar 21, 1995

Cylinder/piston type fluid container

RISO KAGAKU CORP9 citations74
US4966073AOct 30, 1990

Mimeographic printing apparatus with a stencil guide

RISO KAGAKU CORP13 citations74
US4956664ASep 11, 1990

Image processing apparatus having an overhead projector

RISO KAGAKU CORP11 citations74
US4528906AJul 16, 1985

System for retaining stencil printing master on printing drum

RISO KAGAKU CORP17 citations74
US5406389AApr 11, 1995

Method and device for image makeup

RISO KAGAKU CORP15 citations73
US5160564ANov 3, 1992

Process for producing a thermal stencil master sheet for stencil printing

RISO KAGAKU CORP8 citations73
US4505199AMar 19, 1985

System for retaining stencil printing master on printing drum by clamp strip hinged along drum generator

RISO KAGAKU CORP10 citations73
US5357856AOct 25, 1994

Squeege device for supplying ink in a stencil printing device

RISO KAGAKU CORP8 citations72
US5323700AJun 28, 1994

Blade type squeegee device for a stencil printing device

RISO KAGAKU CORP15 citations72
US5010420AApr 23, 1991

Image processing apparatus

RISO KAGAKU CORP10 citations72
US5074204ADec 24, 1991

Used master disposing apparatus

RISO KAGAKU CORP7 citations71
US5443556AAug 22, 1995

Method and apparatus for mounting a master plate on a printing drum having an integral cutter

RISO KAGAKU CORP7 citations66
US5438921AAug 8, 1995

Stencil printing device having an ink mixing unit

RISO KAGAKU CORP3 citations63
US5337662AAug 16, 1994

Pressure printing device

RISO KAGAKU CORP2 citations63
US5533449AJul 9, 1996

Motor-type ink sensor

RISO KAGAKU CORP5 citations60
US4323775AApr 6, 1982

Divided exposure method and device

RISO KAGAKU CORP4 citations58
US4139759AFeb 13, 1979

Exposure device for a thermal stencil sheet

RISO KAGAKU CORP6 citations56
US5456177AOct 10, 1995

Master plate sheet clamping device for a rotary printer

RISO KAGAKU CORP1 citations52

SEIKO INSTR INC

4 patents

HASEGAWA TAKANORI

2 patents

MANAKA SABURO

2 patents

KATO KAZUO

2 patents

OGASAWARA KENJI

1 patent

RISO KAGAKU

1 patent

ASAHI DOW LTD

1 patent

HONMURA KEISHI

1 patent

SHIMIZU HIROSHI

1 patent

Showing the top 50 of 59 patents by PatentIndex Score.