Inventor
TANAKA MITSUO
JP68 patents
⚠️ This page may combine multiple inventors who share the name “TANAKA MITSUO”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
RICOH KK
10 patentsUS5394231AFeb 28, 1995
Image forming apparatus capable of forming an erasable image
RICOH KK105 citations96
US4601963AJul 22, 1986
Locally deformable photosensitive drum for use in electrophotography
RICOH KK28 citations92
US4098501AJul 4, 1978
Cassette type sheet feed apparatus for copying machine or the like
RICOH KK38 citations92
US5402220AMar 28, 1995
Fixing device for an image forming apparatus featuring a fixing belt and heating control
RICOH KK49 citations91
US4975738ADec 4, 1990
Method of forming an image on both sides of a sheet
RICOH KK25 citations91
US5132719AJul 21, 1992
Method and apparatus for duplex printing wherein the interleave number changes in response to detected sheet length change
RICOH KK26 citations89
US4032229AJun 28, 1977
Construction of electrophotographic copying machines with a cleaning unit for photosensitive surface
RICOH KK24 citations81
US4331100AMay 25, 1982
Magnetic brush development apparatus
RICOH KK17 citations74
US4261560AApr 14, 1981
Sheet separation apparatus
RICOH KK10 citations74
US5132720AJul 21, 1992
Method of forming two-sided prints
RICOH KK11 citations70
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD
8 patentsUS5838048ANov 17, 1998
Semiconductor Bi-MIS device
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD14 citations73
US5696006ADec 9, 1997
Method of manufacturing Bi-MOS device
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD6 citations73
US5406106AApr 11, 1995
Semiconductor Bi-MIS device and method of manufacturing the same
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD13 citations73
US5331198AJul 19, 1994
Semiconductor device including IIL and vertical transistors
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD10 citations73
US5162252ANov 10, 1992
Method of fabricating iil and vertical complementary bipolar transistors
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD7 citations73
US5866463AFeb 2, 1999
Method of manufacturing a semiconductor apparatus
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD8 citations72
US5712174AJan 27, 1998
Method of manufacturing a bipolar transistor
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD9 citations72
US5204274AApr 20, 1993
Method of fabricating semiconductor device
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD10 citations71
HITACHI LTD
7 patentsUS4199222AApr 22, 1980
Optical device with a laser-to-fiber coupler
HITACHI LTD97 citations95
US3973828AAug 10, 1976
Optical wave guide
HITACHI LTD48 citations92
US4030809AJun 21, 1977
Optical connector
HITACHI LTD51 citations91
US4260883AApr 7, 1981
Optical measurement system
HITACHI LTD31 citations90
US4504943AMar 12, 1985
Time domain multiplexer
HITACHI LTD25 citations82
US4410980AOct 18, 1983
Time division multiplexing system
HITACHI LTD24 citations82
US5301031AApr 5, 1994
Scanning conversion display apparatus
HITACHI LTD15 citations74
SEIKO EPSON CORP
6 patentsUSD324234SFeb 25, 1992
Printer for electronic computer
SEIKO EPSON CORP25 citations93
US7422302B2Sep 9, 2008
Liquid injection device, liquid injection device control method, and control program
SEIKO EPSON CORP7 citations74
USD328290SJul 28, 1992
Image scanner or similar article
SEIKO EPSON CORP10 citations74
USD368113SMar 19, 1996
Printer for a personal computer
SEIKO EPSON CORP9 citations73
USD326679SJun 2, 1992
Printer for computer
SEIKO EPSON CORP4 citations63
USD325195SApr 7, 1992
Electronic computer or similar article
SEIKO EPSON CORP2 citations63
FURUKAWA ELECTRIC CO LTD
5 patentsUS6796809B2Sep 28, 2004
Electrical junction box
FURUKAWA ELECTRIC CO LTD27 citations89
US6007355ADec 28, 1999
Rotary connector for connecting cables
FURUKAWA ELECTRIC CO LTD29 citations89
US5980306ANov 9, 1999
Electrical connection box
FURUKAWA ELECTRIC CO LTD24 citations89
US5761038AJun 2, 1998
Electrical connection box
FURUKAWA ELECTRIC CO LTD10 citations74
US6179628B1Jan 30, 2001
Electric connection box
FURUKAWA ELECTRIC CO LTD7 citations72
NIPPON SHEET GLASS CO LTD
3 patentsYANMAR DIESEL ENGINE CO
2 patentsSHARP KK
2 patentsBRIDGESTONE CYCLE CO
2 patentsANRITSU ELECTRIC CO LTD
1 patentMITSUBISHI ELECTRIC CORP
1 patentPANASONIC IP MAN CO LTD
1 patentMITSUBISHI RAYON CO
1 patentGLORY KOGYO KK
1 patentShowing the top 50 of 68 patents by PatentIndex Score.