Inventor
ITOH MASAHIRO
JP98 patents
⚠️ This page may combine multiple inventors who share the name “ITOH MASAHIRO”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
CANON KK
14 patentsUS5797070AAug 18, 1998
Image-forming apparatus featuring a plurality of image forming means
CANON KK61 citations96
US5287148AFeb 15, 1994
Magnetic seal for a developing apparatus
CANON KK42 citations93
US5267007ANov 30, 1993
Magnetic seal for preventing developer from leaking out of the longitudinal ends of a rotatable member
CANON KK44 citations93
US4860048AAug 22, 1989
Image forming apparatus
CANON KK28 citations93
US5835821ANov 10, 1998
Image forming apparatus
CANON KK35 citations92
US5294967AMar 15, 1994
Image forming apparatus with a plurity of adjustable developing units
CANON KK21 citations92
US5177536AJan 5, 1993
Developing apparatus having a magnetic seal
CANON KK50 citations92
US5903802AMay 11, 1999
Method for forming an image by absorbing a release agent using a release agent absorbing layer coated on feed passage member
CANON KK37 citations91
US5758038AMay 26, 1998
Image forming apparatus
CANON KK17 citations84
US5895146AApr 20, 1999
Charging device and image forming apparatus
CANON KK11 citations74
US5805960ASep 8, 1998
Image forming apparatus which applies oscillating voltage to developer carrying member
CANON KK8 citations74
US5313233AMay 17, 1994
Image forming apparatus
CANON KK12 citations74
US5115259AMay 19, 1992
Electrophotographic image forming apparatus
CANON KK14 citations74
US4941003AJul 10, 1990
Image forming apparatus
CANON KK10 citations74
OKI ELECTRIC IND CO LTD
6 patentsUS5220530AJun 15, 1993
Semiconductor memory element and method of fabricating the same
OKI ELECTRIC IND CO LTD176 citations99
US5155054AOct 13, 1992
Method of manufacturing a semiconductor MOSFET having a projection T-shaped semiconductor portion
OKI ELECTRIC IND CO LTD28 citations93
US5136350AAug 4, 1992
Semiconductor mosfet having a projecting T-shaped portion
OKI ELECTRIC IND CO LTD33 citations93
US5034341AJul 23, 1991
Method of making a memory cell array structure
OKI ELECTRIC IND CO LTD44 citations93
US4920389AApr 24, 1990
Memory call array structure and process for producing the same
OKI ELECTRIC IND CO LTD45 citations93
US5872373AFeb 16, 1999
Dram-capacitor structure
OKI ELECTRIC IND CO LTD10 citations74
MITSUBISHI RAYON CO
5 patentsUS5518848AMay 21, 1996
Binder resin for toners
MITSUBISHI RAYON CO21 citations92
US5674962AOct 7, 1997
Toner resin
MITSUBISHI RAYON CO12 citations73
US5409989AApr 25, 1995
Resin composition for toners
MITSUBISHI RAYON CO11 citations73
US5342722AAug 30, 1994
Toner resin composition and process for preparing same
MITSUBISHI RAYON CO14 citations73
US5276127AJan 4, 1994
Polyester resin for toner
MITSUBISHI RAYON CO13 citations73
EASTMAN KODAK CO
3 patentsRICOH CO LTD
3 patentsMATSUSHITA ELECTRIC INDUSTRIAL CO LTD
2 patentsRICOH KK
2 patentsSONY CORP
2 patentsMAKINO EIJI
1 patentNISHINA KIICHIRO
1 patentHITACHI LTD
1 patentNAKAYAMA HIROTOSHI
1 patentTOKYO GAS CO LTD
1 patentFUJITSU LTD
1 patentHASHIMOTO AYUMU
1 patentNAKAZAWA MASAMOTO
1 patentULVAC CORP
1 patentSUGAI ATSUSHI
1 patentTSUKAHARA HAJIME
1 patentDENSO CORP
1 patentMATSUMOTO KEN
1 patentShowing the top 50 of 98 patents by PatentIndex Score.