Patents by Inventor Kentaro Kikuchi
Kentaro Kikuchi has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).
-
Publication number: 20240125986Abstract: A member for terahertz equipment includes: a substrate main body having a first principal surface and a second principal surface; and a reflection suppressing portion provided on at least one of the first principal surface or the second principal surface of the substrate main body. The reflection suppressing portion includes a plurality of protrusions which are arranged in a grating shape, and each have a tapered portion in a vertical cross section.Type: ApplicationFiled: December 12, 2023Publication date: April 18, 2024Inventors: Kentaro TANI, Jungo KONDO, Masahiko NAMERIKAWA, Yoshio KIKUCHI
-
Patent number: 11953843Abstract: A powder container includes a powder chamber for containing powder for forming images, a powder outlet formed in a face of the powder container, and a shutter assembly to open and close the powder outlet and including first and second shutters. The first shutter is movable between a sealing position to close the powder outlet and an open position to open the powder outlet and includes a pressed member to cancel retention of the first shutter at the sealing position. The second shutter includes a pressing projection that interferes with the pressed member of the first shutter and is movable between a shielding position to cover the pressed member without interference between the pressing projection and the pressed member and a releasing position to press the pressed member with the pressing projection.Type: GrantFiled: July 13, 2022Date of Patent: April 9, 2024Assignee: RICOH COMPANY, LTD.Inventors: Kentaro Nodera, Emi Kita, Akihiro Takayama, Susumu Tateyama, Shinnosuke Koshizuka, Tatsuya Kubo, Teppei Kikuchi
-
Publication number: 20230242324Abstract: A heat-resistant container according to the present disclosure includes a first wall portion constituting a sidewall and a second wall portion constituting an upper wall or bottom wall. The first wall portion and the second wall portion are made of a ceramic. The first wall portion has a large number of pores therein. In cross sections of the first wall portion, a porosity Pr1 is smaller than a porosity Pr2, where Pr1 is a porosity in a cross section of the first wall portion orthogonal to a wall surface of the first wall portion and parallel to a height direction of the first wall portion, and Pr2 is a porosity in a cross section of the first wall portion orthogonal to the wall surface of the first wall portion and parallel to a width direction of the first wall portion.Type: ApplicationFiled: June 25, 2021Publication date: August 3, 2023Inventors: Takahiro UENO, Kentaro KIKUCHI, Satoshi TOYODA
-
Publication number: 20230051919Abstract: A heat-resistant member (1) according to the present disclosure contains alumina as a main component, and magnesium aluminate and boron. The content percentage of the magnesium aluminate at the surface is higher than the content percentage of the magnesium aluminate in a surface layer section located directly below the surface.Type: ApplicationFiled: December 8, 2020Publication date: February 16, 2023Inventors: Kentaro KIKUCHI, Takahiro UENO, Satoshi TOYODA
-
Publication number: 20220073430Abstract: A heat-resistant member of the present disclosure is formed of an alumina-based ceramic containing alumina crystals and a glass formed of Si, Ca, Mg, and O, and an area ratio occupied by the glass in an inner portion is larger than an area ratio occupied by the glass in the surface portion.Type: ApplicationFiled: January 29, 2020Publication date: March 10, 2022Inventors: Kentaro KIKUCHI, Satoshi TOYODA, Takahiro UENO, Hidehiro TAKENOSHITA
-
Publication number: 20220047248Abstract: In one embodiment, an ultrasonic diagnostic system includes: a plurality of probes; at least one operation/display panel configured to be disposed at a same examination location as at least one of the plurality of probes; communication equipment configured to communicate with the plurality of probes and the operation/display panel; a measurement circuit configured to measure physical quantity related to the plurality of probes; processing circuitry configured to associate a specific probe of the plurality of probes with the operation/display panel based on the measured physical quantity; and an ultrasonic server configured to be disposed at a location different from the examination location, receive first data acquired by the specific probe via the communication equipment, generate second data based on the first data, and transmit the second data to the operation/display panel via the communication equipment.Type: ApplicationFiled: August 12, 2021Publication date: February 17, 2022Applicant: CANON MEDICAL SYSTEMS CORPORATIONInventors: Ryota OSUMI, Takatoshi OKUMURA, Takeshi SATO, Kentaro KIKUCHI
-
Publication number: 20220031289Abstract: The ultrasonic probe according to any of embodiments includes a transmitting/receiving circuit, a power supply circuit, and a probe control circuit. The transmitting/receiving circuit is configured to control transmission and reception of ultrasonic waves. The power supply circuit is configured to function as a power source for the transmitting/receiving circuit. The probe control circuit is configured to determine a scan mode, and to control a frequency of switching noise of the power supply circuit according to the scan mode.Type: ApplicationFiled: July 28, 2021Publication date: February 3, 2022Applicant: CANON MEDICAL SYSTEMS CORPORATIONInventors: Kentaro KIKUCHI, Takatoshi OKUMURA, Ryota OSUMI, Takeshi SATO
-
Patent number: 10944121Abstract: The present invention provides a polymer electrolyte membrane having excellent strength, a small dimensional change, and a low membrane resistance. The polymer electrolyte membrane includes a porous film having pores and a polymer electrolyte contained in the pores. The porous film is obtained by copolymerizing tetrafluoroethylene and an ethylenic comonomer to provide polytetrafluoroethylene and then stretching the polytetrafluoroethylene. The porous film has an average pore size of greater than 0.20 ?m.Type: GrantFiled: December 1, 2014Date of Patent: March 9, 2021Assignees: ASAHI KASEI KABUSHIKI KAISHA, DAIKIN INDUSTRIES, LTD.Inventors: Yuichi Inoue, Kuon Miyazaki, Kentaro Kikuchi, Nobuki Uraoka, Shinichi Chaen, Tomohisa Konishi, Tadashi Ino
-
Patent number: 10644339Abstract: The present invention provides a polymer electrolyte membrane having excellent strength, a small dimensional change, and a low membrane resistance. The polymer electrolyte membrane includes a porous film and a polymer electrolyte. The porous film has a fibril/node area ratio of 90/10 to 75/25.Type: GrantFiled: December 1, 2014Date of Patent: May 5, 2020Assignees: ASAHI KASEI KABUSHIKI KAISHA, DAIKIN INDUSTRIES, LTD.Inventors: Yuichi Inoue, Kuon Miyazaki, Norihito Tanaka, Kentaro Kikuchi, Nobuki Uraoka, Shinichi Chaen, Tomohisa Konishi, Tadashi Ino
-
Publication number: 20170012313Abstract: The present invention provides a polymer electrolyte membrane having excellent strength, a small dimensional change, and a low membrane resistance. The polymer electrolyte membrane includes a porous film and a polymer electrolyte. The porous film has a fibril/node area ratio of 90/10 to 75/25.Type: ApplicationFiled: December 1, 2014Publication date: January 12, 2017Applicants: ASAHI KASEI E-MATERIALS CORPORATION, DAIKIN INDUSTRIES, LTD.Inventors: Yuichi INOUE, Kuon MIYAZAKI, Norihito TANAKA, Kentaro KIKUCHI, Nobuki URAOKA, Shinichi CHAEN, Tomohisa KONISHI, Tadashi INO
-
Publication number: 20170005354Abstract: The present invention provides a polymer electrolyte membrane having excellent strength, a small dimensional change, and a low membrane resistance. The polymer electrolyte membrane includes a porous film having pores and a polymer electrolyte contained in the pores. The porous film is obtained by copolymerizing tetrafluoroethylene and an ethylenic comonomer to provide polytetrafluoroethylene and then stretching the polytetrafluoroethylene. The porous film has an average pore size of greater than 0.20 ?m.Type: ApplicationFiled: December 1, 2014Publication date: January 5, 2017Applicants: ASAHI KASEI E-MATERIALS CORPORATION, DAIKIN INDUSTRIES, LTD.Inventors: Yuichi INOUE, Kuon MIYAZAKI, Kentaro KIKUCHI, Nobuki URAOKA, Shinichi CHAEN, Tomohisa KONISHI, Tadashi INO
-
Patent number: 8309256Abstract: Provided is a microporous film formed of a thermoplastic resin composition comprising 100 parts by mass of (a) a polyolefin resin and from 5 to 90 parts by mass of (b) a polyphenylene ether resin; the microporous film having a sea-island structure with the polyolefin resin as a sea portion and with the polyphenylene ether resin as an island portion and having a air permeability of from 10 sec/100 cc to 5000 sec/100 cc. The microporous film does not break easily even at high temperatures and has good heat resistance.Type: GrantFiled: March 24, 2009Date of Patent: November 13, 2012Assignee: Asahi Kasei E-materials CorporationInventors: Kentaro Kikuchi, Shunichiro I
-
Patent number: 8298465Abstract: Provided is a microporous film which is made of a thermoplastic resin composition comprising (a) 100 parts by mass of a polypropylene resin and (b) 5 to 90 parts by mass of a polyphenylene ether resin, and which has a sea island structure comprising a sea portion comprising the polypropylene resin as a principal component and an island portion comprising the polyphenylene ether resin as a principal component, wherein pores are formed at an interface between the sea portion and the island portion and within the sea portion.Type: GrantFiled: July 31, 2009Date of Patent: October 30, 2012Assignee: Asahi Kasei E-Materials CorporationInventors: Kentaro Kikuchi, Hidetoshi Masugi
-
Publication number: 20110166243Abstract: Provided is a microporous film which is made of a thermoplastic resin composition comprising (a) 100 parts by mass of a polypropylene resin and (b) 5 to 90 parts by mass of a polyphenylene ether resin, and which has a sea island structure comprising a sea portion comprising the polypropylene resin as a principal component and an island portion comprising the polyphenylene ether resin as a principal component, wherein pores are formed at an interface between the sea portion and the island portion and within the sea portion.Type: ApplicationFiled: July 31, 2009Publication date: July 7, 2011Inventors: Kentaro Kikuchi, Hidetoshi Masugi
-
Publication number: 20110027659Abstract: Provided is a microporous film formed of a thermoplastic resin composition comprising 100 parts by mass of (a) a polyolefin resin and from 5 to 90 parts by mass of (b) a polyphenylene ether resin; the microporous film having a sea-island structure with the polyolefin resin as a sea portion and with the polyphenylene ether resin as an island portion and having a air permeability of from 10 sec/100 cc to 5000 sec/100 cc. The microporous film does not break easily even at high temperatures and has good heat resistance.Type: ApplicationFiled: March 24, 2009Publication date: February 3, 2011Inventors: Kentaro Kikuchi, Shunichiro I.
-
Patent number: 4471833Abstract: A method for promoting a boiling heat transfer by applying an electric field to a heat exchange medium, comprises making the relaxation time of an electric charge of a heat exchange medium used equal to or smaller than the characteristic time with respect to motion of bubbles generated by the heat transfer surface in the heat exchange medium to maximize the maximum boiling heat flux.Type: GrantFiled: August 25, 1982Date of Patent: September 18, 1984Assignees: Agency of Industrial Science & Technology, Ministry of International Trade & IndustryInventors: Akira Yabe, Takao Taketani, Kentaro Kikuchi