公开(公告)号：US20220085458A1

公开(公告)日：2022-03-17

申请号：US17531878

申请日：2021-11-22

Applicant: Ricoh Company, Ltd.

Inventor： Miku Ohkimoto ,  Hideo Yanagita ,  Keigo Takauji ,  Masahiro Masuzawa ,  Yuu Zama ,  Okitoshi Kimura ,  Hiromitsu Kawase

IPC: H01M50/46 ,  H01M10/0585 ,  H01M10/42 ,  H01M10/0525 ,  H01M4/131 ,  H01M4/62 ,  H01M4/13 ,  H01G11/22 ,  H01G11/52 ,  H01M50/411 ,  H01M50/463 ,  H01M50/443 ,  H01M50/417 ,  H01M50/426 ,  H01M50/489 ,  H01M50/491

Abstract: A porous insulator contains a porous structure, containing a polymer compound having communicating pores, and a solid having a melting point or glass transition temperature lower than that of the polymer compound.

公开(公告)号：US11258136B2

公开(公告)日：2022-02-22

申请号：US16351161

申请日：2019-03-12

Applicant: RICOH COMPANY, LTD.

Inventor： Miku Ohkimoto ,  Hideo Yanagita ,  Keigo Takauji ,  Masahiro Masuzawa ,  Yuu Zama ,  Okitoshi Kimura ,  Hiromitsu Kawase

IPC: H01M50/46 ,  H01M10/0585 ,  H01M10/42 ,  H01M10/0525 ,  H01M4/131 ,  H01M4/62 ,  H01M4/13 ,  H01G11/22 ,  H01G11/52 ,  H01M50/411 ,  H01M50/463 ,  H01M50/443 ,  H01M50/417 ,  H01M50/426 ,  H01M50/489 ,  H01M50/491

Abstract: A porous insulator is provided. The porous insulator comprises a porous structure comprising a polymer compound having communicating pores, and a solid having a melting point or glass transition temperature lower than that of the polymer compound.

公开(公告)号：US11588147B2

公开(公告)日：2023-02-21

申请号：US16490323

申请日：2018-03-05

Applicant: RICOH COMPANY, LTD.

Inventor： Masahiro Masuzawa ,  Toru Ushirogochi ,  Hideo Yanagita ,  Yuu Zama ,  Aya Yoshida ,  Shigeo Takeuchi ,  Anna Hirowatari ,  Okitoshi Kimura ,  Kohji Matsuoka ,  Keigo Takauji ,  Miku Ohkimoto

IPC: H01M4/139 ,  H01M4/62 ,  H01M4/36 ,  H01M4/04 ,  H01M10/0525 ,  H01M10/0585

Abstract: A disclosed film electrode includes an electrode base, and an active material layer formed on the electrode base, and a resin layer adhering to at least one of a peripheral portion of the active material layer and a surface of the active material layer in a direction extending along a plane of the electrode base.

公开(公告)号：US11527748B2

公开(公告)日：2022-12-13

申请号：US16751249

申请日：2020-01-24

Applicant: RICOH COMPANY, LTD.

Inventor： Eiko Hibino ,  Hiromichi Kuriyama ,  Satoshi Nakajima ,  Shigeo Takeuchi ,  Toru Ushirogochi ,  Hideo Yanagita ,  Keigo Takauji ,  Miku Ohkimoto

IPC: H01M4/36 ,  H01M4/04 ,  H01M4/62 ,  H01M4/02 ,  H01M50/46

Abstract: In accordance with some embodiments of the present invention, an electrode was provided. The electrode includes an electrode composite layer and a porous insulating layer on the electrode composite layer. The electrode composite layer contains an active material. A surface roughness Rz of the electrode composite layer is smaller than an average film thickness of the porous insulating layer.

公开(公告)号：US11269229B2

公开(公告)日：2022-03-08

申请号：US16484713

申请日：2018-02-13

Applicant: Ricoh Company, Ltd.

Inventor： Yoshinori Okada ,  Keigo Takauji ,  Satoshi Yamamoto ,  Daisuke Goto ,  Toshiya Sagisaka ,  Masato Shinoda ,  Kazuaki Tsuji ,  Fuminari Kaneko ,  Tohru Yashiro ,  Mamiko Inoue ,  Yuto Matsuoka ,  Naoki Ura

IPC: G02F1/1516 ,  G02F1/1523 ,  G02F1/155

Abstract: Provided is an electrochromic display device including a pair of supporting substrates facing each other, a pair of electrodes each disposed on the supporting substrate and facing each other, an electrochromic display layer disposed in contact with at least one of the pair of the electrodes, and an electrolyte layer disposed between the pair of the electrode, wherein the electrochromic display layer includes a plurality of electrochromic layers exhibiting mutually different coloring colors, and the plurality of the electrochromic layers are laminated on the electrode at least in a partial area of the electrode.

公开(公告)号：US11811072B2

公开(公告)日：2023-11-07

申请号：US17132206

申请日：2020-12-23

Applicant: RICOH COMPANY, LTD.

Inventor： Keigo Takauji ,  Toru Ushirogochi ,  Miku Ohkimoto ,  Naoki Sugihara ,  Daisuke Nose

IPC: H01M4/88 ,  H01M4/86 ,  H01M50/403 ,  H01M50/411 ,  H01M50/42 ,  H01M50/449 ,  H01M50/46 ,  C08J9/28 ,  B32B5/24 ,  B32B5/14

CPC classification number: H01M4/88 ,  C08J9/286 ,  H01M4/8605 ,  H01M50/403 ,  H01M50/411 ,  H01M50/42 ,  H01M50/449 ,  H01M50/46 ,  B32B5/145 ,  B32B5/245 ,  C08J2333/10

Abstract: A porous structure having pores communicating with each other is provided. The porous structure includes a porous structure portion A comprising a resin A and a porous structure portion B comprising a resin B. The porous structure portion A and the porous structure portion B are continuously integrated, and the resin A and the resin B are composed of different constituents.

公开(公告)号：US11380884B2

公开(公告)日：2022-07-05

申请号：US16727999

申请日：2019-12-27

Applicant: RICOH COMPANY, LTD.

Inventor： Satoshi Nakajima ,  Eiko Hibino ,  Hiromichi Kuriyama ,  Keigo Takauji ,  Miku Ohkimoto ,  Shigeo Takeuchi ,  Masahiro Masuzawa

IPC: H01M4/36 ,  H01M4/62 ,  H01M10/0525 ,  H01M4/04

Abstract: A liquid composition for an electrode composite material is provided. The liquid composition comprises an active material, a dispersion medium, and a polymerizable compound. A viscosity of the liquid composition at 25 degrees C. is a viscosity at which the liquid composition is dischargeable from a liquid discharge head.

公开(公告)号：US11319484B2

公开(公告)日：2022-05-03

申请号：US16393416

申请日：2019-04-24

Applicant: Ricoh Company, Ltd.

Inventor： Keigo Takauji ,  Satoshi Yamamoto ,  Fuminari Kaneko ,  Kazuaki Tsuji ,  Naoki Ura

IPC: G02F1/15 ,  G02F1/1516 ,  C09K9/02 ,  G02F1/1503 ,  C07C203/08

Abstract: An electrochromic element is provided including: a first substrate; a first electrode overlying the first substrate; a second substrate disposed at a distance from the first electrode; a second electrode overlying the second substrate; a first electrochemical reaction layer in contact with the first electrode; a second electrochemical reaction layer in contact with the second electrode; and an electrolyte layer between the first electrode and the second electrode. One of the first electrochemical reaction layer and the second electrochemical reaction layer is in a reversibly oxidizable state and the other is in a reversibly reducible state, at least one of the first electrochemical reaction layer and the second electrochemical reaction layer is an electrochromic layer, and E1≥−0.8 V (vs. FC/FC+) and E2≥−0.8 V (vs. FC/FC+) are satisfied, where E1 and E2 represent oxidation-reduction potentials of the first electrochemical reaction layer and the second electrochemical reaction layer, respectively.

公开(公告)号：US11732061B2

公开(公告)日：2023-08-22

申请号：US17336827

申请日：2021-06-02

Applicant: RICOH COMPANY, LTD.

Inventor： Miku Ohkimoto ,  Keigo Takauji ,  Hideo Yanagita ,  Toru Ushirogochi

IPC: C08F2/46 ,  C08G61/04 ,  C08F2/48 ,  B41M5/00 ,  B41M5/52 ,  C08F2/06 ,  C08F2/44

CPC classification number: C08F2/48 ,  B41M5/0017 ,  B41M5/5209 ,  C08F2/06 ,  C08F2/44

Abstract: A liquid composition that contains a polymerizable compound and a solvent, and that can form a porous resin. The liquid composition, when stirred, transmits at least 30 percent of incident light having a wavelength of 550 nm. The haze value of an containing the liquid composition increases by 1.0 percent or more when the element containing the liquid composition is cured.