Inventor
Kazuhiro Yamauchi
Inventor
Suntou-gun, JP
Overview
Patents· 70 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
G03Gprimary
G03GElectrography27%
Y10TTechnical subjects covered by former us classification11%
B32BLayered products, i.e. products built-up of strata of flat or non-flat, e.g. cellular or honeycomb, form5%
C08GMacromolecular compounds obtained otherwise than by reactions only involving unsaturated carbon-to-carbon bonds4%
H01BCables4%
B01DSeparation3%
C07DHeterocyclic compounds3%
D01DMechanical methods or apparatus in the manufacture of artificial filaments, threads, fibres, bristles or ribbons3%
Y02PClimate change mitigation technologies in the production or processing of goods3%
C07CAcyclic or carbocyclic compounds2%
PatentTitleYear
11,108,340Piezoelectric actuator having separate frictional portions202110,957,554Etching method and etching device202110,845,724Electro-conductive member, process cartridge and image forming apparatus202010,843,383Rubber composition202010,678,154Electrophotographic electroconductive member, process cartridge, and electrophotographic image forming apparatus202010,678,158Electro-conductive member for electrophotography, process cartridge, and electrophotographic image forming apparatus202010,649,350Electrophotographic member, process cartridge and electrophotographic apparatus202010,416,588Charging member, process cartridge, electrophotographic image forming apparatus, and method for manufacturing charging member201910,294,595Polymer nanofiber sheet and method for producing the same201910,280,148Electroconductive member for electrophotography and quaternary ammonium salt201910,252,209Nanofiber sheet and method of producing the sheet201910,239,003Polymer nanofiber accumulated body and method of producing the same201910,239,006Polymer nanofiber structural body and method of producing the same201910,119,203Glossy member and method of producing the member201810,108,129Member for electrophotography and method of producing the member, process cartridge, and electrophotographic apparatus201810,018,927Electroconductive member for electrophotography, process cartridge and electrophotographic apparatus201810,018,934Electrophotographic member, process cartridge, and electrophotographic apparatus201810,012,924Electrophotographic electro-conductive member having a dual rubber elastic layer, method of producing the same, process cartridge, and electrophotographic apparatus20189,977,353Electrophotographic member, process cartridge and electrophotographic image forming apparatus20189,970,043Process for producing optically active 2-alkyl-1,1,3-trialkoxycarbonylpropane20189,964,914Electrophotographic member, process cartridge, and electrophotographic apparatus20189,958,802Electroconductive member for electrophotography, process cartridge, and electrophotographic apparatus20189,943,793Polymer nanofiber structural body and polymer nanofiber composite using the structural body, and methods of producing the structural body and the composite20189,934,882Amine compound and ionic conductive agent, and electroconductive resin composition20189,897,931'Electroconductive member for electrophotography, process cartridge, and electrophotographic image-forming apparatus'20189,811,009'Electrophotographic member, process cartridge and electrophotographic apparatus'20179,811,021'Conductive member'20179,740,133'Charging member, process cartridge and electrophotographic image forming apparatus'20179,691,517'Hydroxy compound, ion conducting agent, and electroconductive resin composition'20179,665,029'Electro-conductive roller and method of manufacturing the same'20179,665,028'Electrophotographic member, process cartridge and electrophotographic apparatus'20179,651,888'Electroconductive member with a surface layer including a porous body having a continuous open pore'20179,639,009'Electrophotographic member, process cartridge, and electrophotographic apparatus'20179,625,838'Electrophotographic apparatus, process cartridge, and image forming method'20179,599,913'Electrophotographic member, process cartridge and electrophotographic apparatus'20179,580,847'Porous laminate'20179,581,931'Electrophotographic member, process cartridge, and electrophotographic apparatus'20179,551,949'Electroconductive member for electrophotography, process cartridge, and electrophotographic apparatus'20179,547,250'Electroconductive member for electrophotography, process cartridge and electrophotographic apparatus'20179,541,854'Electroconductive member for electrophotography, process cartridge, and electrophotographic apparatus'20179,522,352'Nanofiber structural body and collecting apparatus using the nanofiber structural body, and method of producing the nanofiber structural body'20169,465,322'Cartridge and image forming apparatus'20169,442,451'Electroconductive member for electrophotography, process cartridge, and electrophotographic image-forming apparatus'20169,442,408'Member for electrophotography, method for producing the same, and image forming apparatus'20169,360,789'Member for electrophotography, process cartridge and image forming apparatus'20169,146,482'Electroconductive member for electrophotography, process cartridge, and electrophotographic apparatus'20159,128,403'Electrophotographic electrically conductive member'20159,096,936'Metal structural body-containing polymer film, method for manufacturing metal structural body-containing polymer film, and method for manufacturing patterned structural body'20159,086,643'Ionic electro-conductive resin and electro-conductive member for electrophotography'20159,023,465'Electroconductive member, process cartridge and electrophotographic image forming apparatus'20158,969,051'Process for producing optically active 2-alkyl-1,1,3-trialkoxycarbonylpropane'20158,852,743'Electro-conductive member for electrophotography, process cartridge, and electrophotographic apparatus'20148,771,818'Electrically conducting member for electrophotography, process cartridge and electrophotographic image forming apparatus'20148,715,830'Electrically conducting member, process cartridge, and electrophotographic apparatus'20148,668,987'Electrophotographic electrically conductive member'20148,628,854'Electro-conductive member, process cartridge, and electrophotographic apparatus'20148,460,839'Ion-conductive polymeric composite membrane, membrane-electrode assembly, fuel cell, and process for producing ion-conductive polymeric composite membrane'20138,449,975'Electroconductive member, process cartridge and electrophotographic apparatus'20138,298,670'Electro-conductive member for electrophotography, process cartridge, and electrophotographic apparatus'20127,846,021'Game apparatus, game element generation method, program and recording medium'20107,829,844'Substrate for mass spectrometry, and method for manufacturing substrate for mass spectrometry'20107,794,893'Polymer electrolyte membrane, membrane electrode assembly, and fuel cell'20107,163,026'Valve unit and fluid control chip'20076,313,315'Methods for producing N-protected-azetidine-2-carboxylic acids'20016,197,990'Process for the preparation of cyclopentadienyl metal salt and process for the preparation of derivative of cyclopentadiene using the same'20015,840,650'Process of making a catalyst for producing oxirane compounds'1998RE035652'Object distance detecting apparatus'19975,204,714'Object distance detecting apparatus'19935,059,736'Process for production of sec-butylbenzene'19914,646,564'Method for testing gas diffusion and apparatus for same'1987Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1991–2015Patents assigned to SUMITOMO CHEMICAL CO (5)· patent assignee history
1993–1997Based in Hachioji, JP· patent location history
2001–2018Based in Ibaraki, JP· patent location history
2010–2020Patents assigned to CANON KK (57)· patent assignee history
2010Based in Tokyo, JP· patent location history
2012–2015Patents assigned to YAMAUCHI KAZUHIRO (7)· patent assignee history
2012–2015Patents assigned to MURANAKA NORIFUMI (5)· patent assignee history
2012–2015Patents assigned to HIRAKOSO YUKA (3)· patent assignee history
2012–2020Based in Suntou-gun, JP· patent location history
2021Based in Honjo, JP· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| CANON KK | 57 | 2010–2020 |
| YAMAUCHI KAZUHIROself | 7 | 2012–2015 |
| MURANAKA NORIFUMI | 5 | 2012–2015 |
| SUMITOMO CHEMICAL CO | 5 | 1991–2015 |
| HIRAKOSO YUKA | 3 | 2012–2015 |
Locations
| Location | Patents | Span |
|---|---|---|
| Suntou-gun, JP | 55 | 2012–2020 |
| Ibaraki, JP | 4 | 2001–2018 |
| Tokyo, JP | 3 | 2010 |
| Hachioji, JP | 2 | 1993–1997 |
| Honjo, JP | 1 | 2021 |