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 patentsUS5188301AFeb 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 patentsUS9036455B2May 19, 2015
Electronic timepiece
SEIKO INSTR INC5 citations73
US8351303B2Jan 8, 2013
Stepping motor controller and analog electronic timepiece
SEIKO INSTR INC4 citations63
US9092015B2Jul 28, 2015
Electronic timepiece
SEIKO INSTR INC1 citations52
US10132627B2Nov 20, 2018
Electronic device, measurement data processing method, and measurement data processing program
SEIKO INSTR INC0 citations51
HASEGAWA TAKANORI
2 patentsMANAKA SABURO
2 patentsKATO KAZUO
2 patentsOGASAWARA KENJI
1 patentRISO KAGAKU
1 patentASAHI DOW LTD
1 patentHONMURA KEISHI
1 patentSHIMIZU HIROSHI
1 patentShowing the top 50 of 59 patents by PatentIndex Score.