Inventor
HANO YOSHIFUMI
JP20 patents
⚠️ This page may combine multiple inventors who share the name “HANO YOSHIFUMI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
CANON KK
10 patentsUS5805961ASep 8, 1998
Charging member having bristless, process cartridge, and electrophotographic apparatus employing such a charging member
CANON KK19 citations92
US5790926AAug 4, 1998
Charging member having a raised fiber-entangled material, and process cartridge and electrophotographic apparatus having the charging member
CANON KK25 citations92
US5751405AMay 12, 1998
Image forming apparatus
CANON KK20 citations92
US5731122AMar 24, 1998
Image forming method and image forming apparatus
CANON KK30 citations92
US5890037AMar 30, 1999
Electrophotographic apparatus using photoconductive member chargeable with magnetic brush
CANON KK14 citations74
US5715501AFeb 3, 1998
Image forming method using a surface with a specified water contact angle and process cartridge using such a method
CANON KK12 citations74
US6285848B1Sep 4, 2001
Electrophotographic apparatus, image forming method, and process cartridge for developing an image with toner containing an external additive
CANON KK12 citations73
US5940662AAug 17, 1999
Charging apparatus and electrophotographic apparatus
CANON KK13 citations73
US5576810ANov 19, 1996
Image forming method
CANON KK13 citations73
US5724632AMar 3, 1998
Charging apparatus and electrophotographic apparatus
CANON KK6 citations62
SEIKO EPSON CORP
5 patentsUS7976127B2Jul 12, 2011
Electrostatic actuator, droplet discharge head, methods for manufacturing the same and droplet discharge apparatus
SEIKO EPSON CORP5 citations63
US7766456B2Aug 3, 2010
Electrostatic actuator, liquid droplet discharging head, methods for manufacturing them, and liquid droplet discharging apparatus
SEIKO EPSON CORP4 citations63
US7661794B2Feb 16, 2010
Electrostatic actuator, droplet discharge head, method for driving droplet discharge head, and method for manufacturing electrostatic actuator
SEIKO EPSON CORP2 citations63
US12031048B2Jul 9, 2024
Ink set and recording method
SEIKO EPSON CORP0 citations62
US6702881B2Mar 9, 2004
Ink for inkjet printer
SEIKO EPSON CORP5 citations62
HANO YOSHIFUMI
2 patentsUS8136925B2Mar 20, 2012
Electrostatic actuator, liquid droplet discharging head, methods for manufacturing them, and liquid droplet discharging apparatus
HANO YOSHIFUMI2 citations59
US8087754B2Jan 3, 2012
Electrostatic actuator, droplet discharge head, method for driving droplet discharge head, and method for manufacturing electrostatic actuator
HANO YOSHIFUMI0 citations48