Mishima
Japan
23
2020-11-19
The entities that hold a legal rights for patent applications filed by inventor Sugiyama Ryo:
Ryo Sugiyama from Mishima, JP has applied for patents for these inventions. The list has both pending applications and granted patents:
Developing roller, process cartridge and electrophotographic image forming apparatus
#2 | 2020-10-01Electrophotographic member having a surface layer with a cross-linked urethane resin-containing matrix, process cartridge, and apparatus
#3 | 2020-10-01Developing roller, process cartridge and electrophotographic image forming apparatus
#4 | 2020-06-04Developing member, electrophotographic process cartridge, and electrophotographic image forming apparatus
#5 | 2020-04-30Developing apparatus, developer carrying member, process cartridge, and image forming apparatus
#6 | 2020-03-26Developing member, electrophotographic process cartridge, and electrophotographic image forming apparatus
#7 | 2020-03-05Developing roller having crown-shaped electro-conductive layer with outer surface providing electrically insulating first regions adjacent to second regions having higher conductivity
#8 | 2020-03-05Developing roller, electrophotographic process cartridge and electrophotographic image forming apparatus
#9 | 2020-03-05Developing roller, electrophotographic process cartridge and electrophotographic image forming apparatus
#10 | 2020-02-06Electrophotographic member having elastic layer with elastic modulus of 0.5 to 3.0 MPA and coating layer with elastic modulus of 5.0 to 100 MPA
#11 | 2020-02-06Electrophotographic member, electrophotographic process cartridge and electrophotographic image forming apparatus
#12 | 2020-02-06Electrophotographic member, electrophotographic process cartridge, and electrophotographic image forming apparatus
#13 | 2020-02-06Electrophotographic member, electrophotographic process cartridge and electrophotographic image forming apparatus
#14 | 2019-10-24Developing roller, process cartridge and image forming apparatus
#15 | 2019-08-29Developing member having outer surface with independent electrically insulating domains, electrophotographic process cartridge, and electrophotographic image forming apparatus
#16 | 2019-01-17Electrophotographic member, process cartridge, and electrophotographic image forming apparatus
#17 | 2018-02-01Developing apparatus having a projecting regulating member and process cartridge
#18 | 2018-02-01Developing apparatus having multi-part regulating member, process cartridge and electrophotographic image forming apparatus
#19 | 2018-02-01Developing apparatus, process cartridge and electrophotographic image forming apparatus
#20 | 2018-02-01Developing apparatus, electrophotographic process cartridge, and electrophotographic image forming apparatus
#21 | 2017-08-31Developing roller, with conductive elastic layer having exposed protrusions, cartridge and apparatus
#22 | 2017-05-18Developing member, method of producing developing member, process cartridge, and electrophotographic apparatus
#23 | 2013-08-29Developing member
6060281 ⎘