公开(公告)号：US20240310759A1

公开(公告)日：2024-09-19

申请号：US18592544

申请日：2024-03-01

申请人： Arinobu YOSHIURA ,  Takamasa HASE ,  Daisuke INOUE ,  Kentaro YAMASHITA ,  Shogo NAKAMOTO ,  Mototaka IWAMA

发明人： Arinobu YOSHIURA ,  Takamasa HASE ,  Daisuke INOUE ,  Kentaro YAMASHITA ,  Shogo NAKAMOTO ,  Mototaka IWAMA

IPC分类号： G03G15/20

CPC分类号： G03G15/2025 ,  G03G15/2064

摘要： A fixing device includes a fixing rotator rotatable in a rotation direction, a heat source to heat the fixing rotator, a pressure rotator contacting the fixing rotator, a nip formation pad to form a fixing nip between the fixing rotator and the pressure rotator, a slide sheet, and an adhesive part. The slide sheet between the fixing rotator and the nip formation pad contacts an inner circumferential face of the fixing rotator. The slide sheet has a center part and both end parts in an axial direction orthogonal to the rotation direction. The adhesive part bonds the slide sheet to the nip formation pad. The adhesive part includes a first adhesive part on the center part and a second adhesive part on one of the end parts. The first adhesive part has a first area, and the second adhesive part has a second area smaller than the first area.

公开(公告)号：US20230040461A1

公开(公告)日：2023-02-09

申请号：US17814644

申请日：2022-07-25

申请人： Daisuke Inoue ,  Mitsuaki Hirose ,  Yohichi Kitagawa ,  Tsukiko Takahashi ,  Kenji Komito ,  Akihiko Moki

发明人： Daisuke Inoue ,  Mitsuaki Hirose ,  Yohichi Kitagawa ,  Tsukiko Takahashi ,  Kenji Komito ,  Akihiko Moki

IPC分类号： G03G9/097 ,  G03G9/08 ,  G03G9/087 ,  G03G15/08

摘要： A toner includes: toner base particles including a binder resin, a colorant, an inorganic filler, and a release agent; and an external additive. An average circularity of the toner is 0.974 or more but 0.985 or less. A surface roughness parameter Sz of a surface of the toner is 200 nm or more but 500 nm or less, the surface roughness parameter Sz being measured with an atomic force microscope (AFM).

公开(公告)号：US11487231B2

公开(公告)日：2022-11-01

申请号：US17086764

申请日：2020-11-02

申请人： Daisuke Inoue ,  Yuusuke Furuichi

发明人： Daisuke Inoue ,  Yuusuke Furuichi

IPC分类号： G03G15/20 ,  H05B3/03 ,  H05B3/02

摘要： A heater includes a first heat generator and a second heat generator each of which has a hypothetical center line that divides each of the first heat generator and the second heat generator into a first section and a second section. A first conductor connects a first electrode to the first heat generator and the second heat generator. A second conductor connects a second electrode to the first heat generator and the second heat generator. A first primary connector connects the first conductor to the first section of the first heat generator. A second primary connector connects the first conductor to the second section of the second heat generator. A first secondary connector connects the second conductor to the first heat generator. A second secondary connector connects the second conductor to the second heat generator.

公开(公告)号：US20220299920A1

公开(公告)日：2022-09-22

申请号：US17692177

申请日：2022-03-11

申请人： Hiroyuki SHIMADA ,  Yukimichi SOMEYA ,  Yuusuke FURUICHI ,  Daisuke INOUE ,  Satoshi TOHKAI ,  Yumiko HAYASHI

发明人： Hiroyuki SHIMADA ,  Yukimichi SOMEYA ,  Yuusuke FURUICHI ,  Daisuke INOUE ,  Satoshi TOHKAI ,  Yumiko HAYASHI

IPC分类号： G03G15/20

摘要： A fixing device includes a rotator, a secured member, a pressure rotator, and lubricant. The rotator has flexibility and a sleeve form. The rotator includes an inner portion having a sliding surface. The inner portion has an elastic power of 55% or more. The secured member is disposed inside a loop of the rotator and has a slide surface on which the sliding surface of the rotator slides. The slide surface has a larger hardness than a hardness of the sliding surface of the rotator. The pressure rotator presses the rotator against the secured member and forms a nip between the rotator and the pressure rotator. The lubricant is provided between the rotator and the secured member.

公开(公告)号：US20220299919A1

公开(公告)日：2022-09-22

申请号：US17686622

申请日：2022-03-04

申请人： Daisuke INOUE ,  Yuusuke FURUICHI ,  Hiroyuki SHIMADA ,  Yukimichi SOMEYA ,  Satoshi TOHKAI ,  Yumiko HAYASHI

发明人： Daisuke INOUE ,  Yuusuke FURUICHI ,  Hiroyuki SHIMADA ,  Yukimichi SOMEYA ,  Satoshi TOHKAI ,  Yumiko HAYASHI

IPC分类号： G03G15/20

摘要： A fixing device includes a rotator, a secured member, a pressure rotator, and lubricant. The rotator has flexibility and a sleeve form. The rotator includes an inner portion having a sliding surface. The inner portion has an elastic power of 55% or more. The secured member is disposed inside a loop of the rotator and has a slide surface on which the sliding surface of the rotator is to slide. The slide surface has a smaller surface roughness in a sliding direction of the rotator than a surface roughness of the sliding surface in the sliding direction of the rotator. The pressure rotator presses the rotator against the secured member and forms a nip between the rotator and the pressure rotator. The lubricant is provided between the rotator and the secured member.

公开(公告)号：US11435682B2

公开(公告)日：2022-09-06

申请号：US16860245

申请日：2020-04-28

申请人： Masahiro Samei ,  Tomoya Adachi ,  Yuusuke Furuichi ,  Yukimichi Someya ,  Daisuke Inoue

发明人： Masahiro Samei ,  Tomoya Adachi ,  Yuusuke Furuichi ,  Yukimichi Someya ,  Daisuke Inoue

IPC分类号： G03G15/20

摘要： A heater includes a base, a plurality of heat generators arranged on the base in parallel to a longitudinal direction of the base, a plurality of electrodes on the base, and conductor paths disposed on the base. The conductor paths are electrically connected to the heat generators and the electrodes. The conductor paths include a main conductor path connected to one of the electrodes and a branch conductor path branched from the main conductor path. At least a part of the branch conductor path has a lower electrical resistance per unit length than an electrical resistance per unit length of the main conductor path.

公开(公告)号：US20220155699A1

公开(公告)日：2022-05-19

申请号：US17501076

申请日：2021-10-14

申请人： Yohichi KITAGAWA ,  Kenji Komito ,  Masayuki Ukigaya ,  Mitsuaki Hirose ,  Daisuke Inoue

发明人： Yohichi KITAGAWA ,  Kenji Komito ,  Masayuki Ukigaya ,  Mitsuaki Hirose ,  Daisuke Inoue

IPC分类号： G03G9/087 ,  G03G9/08

摘要： A toner is provided. The toner comprises toner particles each comprising a toner base particle and an external additive. The toner base particle comprises a binder resin and a colorant. The toner satisfies the following conditions (a) and (b): (a) an average surface roughness Ra [nm] of the toner particles, detected by a scanning probe microscope analyzer, satisfies the following formula (1): 10

公开(公告)号：US11054773B2

公开(公告)日：2021-07-06

申请号：US16784475

申请日：2020-02-07

申请人： Yuusuke Furuichi ,  Kenji Ishii ,  Kenichi Hasegawa ,  Takashi Fujita ,  Tomoya Adachi ,  Yukimichi Someya ,  Daisuke Inoue ,  Masahiro Samei ,  Takayuki Seki

发明人： Yuusuke Furuichi ,  Kenji Ishii ,  Kenichi Hasegawa ,  Takashi Fujita ,  Tomoya Adachi ,  Yukimichi Someya ,  Daisuke Inoue ,  Masahiro Samei ,  Takayuki Seki

IPC分类号： G03G15/20

摘要： A heater includes a base layer, a heat generator mounted on the base layer, and a slide layer mounted on the base layer. A sliding face of a counterpart slides over the slide layer. The slide layer is made of a material containing fluorine and includes a slide face that contacts the sliding face of the counterpart. The slide face of the slide layer has a surface roughness that is greater than a surface roughness of the sliding face of the counterpart.

公开(公告)号：US10802428B2

公开(公告)日：2020-10-13

申请号：US16451512

申请日：2019-06-25

申请人： Tomoya Adachi ,  Yuusuke Furuichi ,  Yukimichi Someya ,  Masahiro Samei ,  Takamasa Hase ,  Daisuke Inoue

发明人： Tomoya Adachi ,  Yuusuke Furuichi ,  Yukimichi Someya ,  Masahiro Samei ,  Takamasa Hase ,  Daisuke Inoue

IPC分类号： G03G15/20

摘要： An image forming apparatus includes a resistive heat generator, a temperature detector, and a power controller that detects a temperature-resistance property of the resistive heat generator before the resistive heat generator is used when the resistive heat generator is removably installed. The power controller obtains power supplied to the resistive heat generator and a change in a temperature of the resistive heat generator, that is detected by the temperature detector, while the power controller supplies the power at a predetermined power duty cycle for adjustment to the resistive heat generator. The power controller calculates the temperature-resistance property of the resistive heat generator based on the power and the change in the temperature that are obtained. The power controller adjusts a power duty cycle at which the power is supplied to the resistive heat generator in use of the resistive heat generator, based on the temperature-resistance property.

公开(公告)号：US10795295B2

公开(公告)日：2020-10-06

申请号：US16701686

申请日：2019-12-03

申请人： Daisuke Inoue ,  Tomoya Adachi ,  Yuusuke Furuichi ,  Yukimichi Someya

发明人： Daisuke Inoue ,  Tomoya Adachi ,  Yuusuke Furuichi ,  Yukimichi Someya

IPC分类号： G03G15/20 ,  H05B3/03 ,  G03G15/00 ,  H05B3/00

摘要： A heater includes a base and at least one resistive heat generator mounted on a face of the base. At least one electrode supplies power to the at least one resistive heat generator. A conductor couples the at least one electrode with the at least one resistive heat generator. A slide layer covers the at least one resistive heat generator and the conductor. The slide layer includes a projecting portion that defines a surface of the slide layer. The projecting portion is defined by a film thickness of at least one of the conductor and the at least one resistive heat generator. The projecting portion includes an upstream projection disposed opposite a lateral end of the base in a longitudinal direction of the base and a downstream projection disposed downstream from the upstream projection in a rotation direction of an endless belt that slides over the heater.