Patents by Inventor Yasushi Koike

Yasushi Koike 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).

  • Patent number: 11938731
    Abstract: A substrate, a diaphragm, and a piezoelectric actuator are laminated in this order in a first direction, the diaphragm includes a first layer containing silicon as a constituent element, a second layer disposed between the first layer and the piezoelectric actuator, and containing any one or both of at least one metal element selected from the group made of chromium, titanium, aluminum, tantalum, hafnium, and iridium, and silicon nitride, as a constituent element, and a third layer disposed between the second layer and the piezoelectric actuator and containing zirconium as a constituent element, and a fourth layer containing any one or both of at least one metal element selected from the group made of chromium, titanium, aluminum, tantalum, hafnium, and iridium, and silicon nitride, as a constituent element is provided on the third layer on a piezoelectric actuator side.
    Type: Grant
    Filed: March 28, 2022
    Date of Patent: March 26, 2024
    Assignee: Seiko Epson Corporation
    Inventors: Harunobu Koike, Masao Nakayama, Toshihiro Shimizu, Yasushi Yamazaki, Osamu Tonomura, Tatsuo Sawasaki, Chihiro Nishi
  • Patent number: 7452918
    Abstract: A recycled plastic material is made from laser-engraved thermoplastic, metal-containing thermoplastic, thermoplastic used in an inkjet apparatus, or thermoplastic to which an ink or its composition have stuck. This recycled plastic material is manufactured by pulverizing any of these thermoplastics, cleaning the pulverized thermoplastic, removing a cleaning solution from the cleaned thermoplastic to dry it, and removing the dried thermoplastic solid matter other than the thermoplastic.
    Type: Grant
    Filed: October 20, 2004
    Date of Patent: November 18, 2008
    Assignee: Canon Kabushiki Kaisha
    Inventors: Yasushi Koike, Shoji Akino, Osamu Asakura, Mizuko Matsumoto, Takeshi Bungo, Hirohide Matsuhisa, Takeshi Iwasaki, Izumi Uraki
  • Patent number: 6962412
    Abstract: A cover unit includes a first metal cover having at least one side surface and a second cover made of a material not soluble with the material of the first metal cover. A tongue is formed on the side surface of the first metal cover. The second cover is formed with a brim covering at least one side surface end of the first metal cover and with a hole at a position corresponding to the position of the tongue of the first metal cover.
    Type: Grant
    Filed: July 3, 2003
    Date of Patent: November 8, 2005
    Assignee: Canon Kabushiki Kaisha
    Inventors: Yasushi Koike, Kazuhisa Kawakami
  • Publication number: 20050090567
    Abstract: A recycled plastic material is made from laser-engraved thermoplastic, metal-containing thermoplastic, thermoplastic used in an inkjet apparatus, or thermoplastic to which an ink or its composition have stuck. This recycled plastic material is manufactured by pulverizing any of these thermoplastics, cleaning the pulverized thermoplastic, removing a cleaning solution from the cleaned thermoplastic to dry it, and removing the dried thermoplastic solid matter other than the thermoplastic.
    Type: Application
    Filed: September 21, 2004
    Publication date: April 28, 2005
    Applicant: CANON KABUSHIKI KAISHA
    Inventors: Yasushi Koike, Shoji Akino, Osamu Asakura, Mizuko Matsumoto, Takeshi Bungo, Hirohide Matsuhisa, Takeshi Iwasaki, Izumi Uraki
  • Patent number: 6881368
    Abstract: The invention relates to a recycled ABS resin. The recycled ABS resin is obtained by recycling an ABS resin formed into parts by injection molding of a virgin material thereof and used mainly in electric and electronic equipments.
    Type: Grant
    Filed: January 28, 2002
    Date of Patent: April 19, 2005
    Assignee: Canon Kabushiki Kaisha
    Inventor: Yasushi Koike
  • Publication number: 20050051919
    Abstract: A recycled plastic material is made from laser-engraved thermoplastic, metal-containing thermoplastic, thermoplastic used in an inkjet apparatus, or thermoplastic to which an ink or its composition have stuck. This recycled plastic material is manufactured by pulverizing any of these thermoplastics, cleaning the pulverized thermoplastic, removing a cleaning solution from the cleaned thermoplastic to dry it, and removing the dried thermoplastic solid matter other than the thermoplastic.
    Type: Application
    Filed: October 20, 2004
    Publication date: March 10, 2005
    Applicant: CANON KABUSHIKI KAISHA
    Inventors: Yasushi Koike, Shoji Akino, Osamu Asakura, Mizuko Matsumoto, Takeshi Bungo, Hirohide Matsuhisa, Takeshi Iwasaki, Izumi Uraki
  • Patent number: 6864294
    Abstract: A recycled plastic material is made from laser-engraved thermoplastic, metal-containing thermoplastic, thermoplastic used in an inkjet apparatus, or thermoplastic to which an ink or its composition have stuck. This recycled plastic material is manufactured by pulverizing any of these thermoplastics, cleaning the pulverized thermoplastic, removing a cleaning solution from the cleaned thermoplastic to dry it, and removing the dried thermoplastic solid matter other than the thermoplastic.
    Type: Grant
    Filed: May 4, 2000
    Date of Patent: March 8, 2005
    Assignee: Canon Kabushiki Kaisha
    Inventors: Yasushi Koike, Shoji Akino, Osamu Asakura, Mizuko Matsumoto, Takeshi Bungo, Hirohide Matsuhisa, Takeshi Iwasaki, Izumi Uraki
  • Patent number: 6846999
    Abstract: A switch assembly includes a key member pushing the switch and a cap member made of a material not compatible to the key member and covering the key member. The key member and the cap member are formed in a substantially united body, and the key member has a hole passing therethrough from a portion not covered by the cap member to another portion covered by the cap member.
    Type: Grant
    Filed: July 2, 2003
    Date of Patent: January 25, 2005
    Assignee: Canon Kabushiki Kaisha
    Inventors: Kazuhisa Kawakami, Yasushi Koike
  • Publication number: 20040074756
    Abstract: This invention relates to a switch selecting conduct or insulation at a point of electrical contact comprising a key member pushing the switch, a cap member made of a material not compatible to the key member and covering the key member. The key member is covered by the cap member, and the key member and the cap member are formed in a united body substantially. A separate hole for separating the cap member is opened in the key member.
    Type: Application
    Filed: July 2, 2003
    Publication date: April 22, 2004
    Applicant: Canon Kabushiki Kaisha
    Inventors: Kazuhisa Kawakami, Yasushi Koike
  • Publication number: 20040015396
    Abstract: To provide an advertisement printing system by which a consumer can unconsciously obtain an advertisement that matches himself without taking complicated steps, while an advertiser can also print out an advertisement having a high level of advertising effectiveness.
    Type: Application
    Filed: July 25, 2003
    Publication date: January 22, 2004
    Inventors: Kazunori Satomi, Yasushi Koike
  • Publication number: 20040004642
    Abstract: The present invention relates to a cover unit comprising a first metal cover having at least one side surface and a second cover made of a material not soluble to the material of the first metal cover. A tongue is formed on the side surface of the first metal cover. The second cover is formed with a brim covering at least one side surface end of the first metal cover and with a hole at a position corresponding to the position of the tongue of the first metal cover.
    Type: Application
    Filed: July 3, 2003
    Publication date: January 8, 2004
    Applicant: Canon Kabushiki Kaisha
    Inventors: Yasushi Koike, Kazuhisa Kawakami
  • Publication number: 20030199596
    Abstract: When thermoplastic is recycled by a general recycling process alone, only a low-quality recycled plastic material having physical property values lower than a virgin material can be obtained. A recycled plastic material of this invention is made from laser-engraved thermoplastic, metal-containing thermoplastic, thermoplastic used in an inkjet apparatus, or thermoplastic to which an ink or its composition have stuck. This recycled plastic material is manufactured by pulverizing any of these thermoplastics, cleaning the pulverized thermoplastic, removing a cleaning solution from the cleaned thermoplastic to dry it, and removing from the dried thermoplastic solid matter other than the thermoplastic.
    Type: Application
    Filed: May 4, 2000
    Publication date: October 23, 2003
    Inventors: Yasushi Koike, Shoji Akino, Osamu Asakura, Mizuko Matsumoto, Takeshi Bungo, Hirohide Matsuhisa, Takeshi Iwasaki, Izumi Uraki
  • Publication number: 20020197498
    Abstract: In reprocessed plastic material utilizing as a raw material thermoplastic molded part, a compatible sheet material being stuck thereon, the weight of the sheet material is made 0.5% or less of that of the molded part, and further the Izod impact strength and the melt flow rate of the reprocessed material are made, respectively, 80% or more and 120% or less of those of the virgin material. Thereby, good quality reprocessed plastic material with less degradation in physical properties and color relative to the virgin material is provided without adding a step other than a usually conducted recycling step, for recycling of a thermoplastic, a compatible label being stuck thereon.
    Type: Application
    Filed: June 20, 2002
    Publication date: December 26, 2002
    Inventor: Yasushi Koike
  • Publication number: 20020135096
    Abstract: The invention relates to a recycled ABS resin.
    Type: Application
    Filed: January 28, 2002
    Publication date: September 26, 2002
    Inventor: Yasushi Koike
  • Patent number: 6033067
    Abstract: A recording apparatus is capable of preventing both contamination on a recording surface due to a contact of a recording medium on an ink discharging surface even when recording on the recording medium with a concave/convex portion and an ill-discharged state of an ink. The recording apparatus has a feeding unit for feeding a recording medium and a recording head as a recording unit for recording an image on the recording medium fed by the feeding unit. A first guide member (shaft) and a second guide member that serve as a correcting mechanism are provided upstream in a feeding direction from the recording head, for correcting the concave/convex portion of the recording medium.
    Type: Grant
    Filed: October 7, 1997
    Date of Patent: March 7, 2000
    Assignee: Canon Kabushiki Kaisha
    Inventors: Masaaki Kakizaki, Yoji Ara, Tsutomu Shimada, Jun Katayanagi, Takeji Niikura, Shoichi Kan, Nozomu Nishiberi, Yasushi Koike
  • Patent number: 6012797
    Abstract: An ink jet recording apparatus records using a recording head. The head comprises a plurality of discharge ports for discharging ink, a common liquid chamber for supplying ink to the plurality of discharge ports, and a plurality of discharge elements for causing ink to be discharged from the plurality of discharge ports. The apparatus further comprises driving elements for substantially simultaneously driving said discharge elements corresponding to a first plurality of discharge ports which are not adjacent to each other, among said plurality of discharge ports, and for driving said discharge elements corresponding to a second plurality of discharge ports which are respectively adjacent to said first plurality of discharge ports, not simultaneously with said discharge elements corresponding to said first plurality of discharge ports, but at predetermined intervals within a drive period.
    Type: Grant
    Filed: June 6, 1994
    Date of Patent: January 11, 2000
    Assignee: Canon Kabushiki Kaisha
    Inventors: Kazuya Iwata, Yoshiyuki Shimamura, Seiji Takahashi, Yasushi Koike
  • Patent number: 5984469
    Abstract: A recording apparatus with a recording unit for recording an image on a recording medium in consonance with an image signal, a feeder for feeding the recording medium to the recording unit, first auxiliary feeding unit, which contact the feeder when the recording medium is cut sheet paper, but which is separated from the feeder when the recording medium is continuous sheet paper in order to form a feeding route for the continuous sheet paper, second auxiliary feeding unit, which contacts the feeder when the recording medium is cut sheet paper, but which maintains a contact position with the feeder which decreasing pressure against the feeder when the recording medium is continuous sheet paper, and third auxiliary feeding unit, which contacts the feeder when the recording medium is cut sheet paper, but which decreases pressure against the feeder when the recording medium is continuous sheet paper, and switching device for selecting the forward or the backward movement of the first and the second auxiliary feed
    Type: Grant
    Filed: December 21, 1994
    Date of Patent: November 16, 1999
    Assignee: Canon Kabushiki Kaisha
    Inventors: Yasushi Koike, Yoji Ara, Masaaki Kakizaki
  • Patent number: 5902058
    Abstract: The present invention provides a sheet conveying apparatus for conveying a sheet comprising a convey member for applying a conveying force to a sheet, a drive source for driving the convey member, and a drive transmitting means for transmitting a drive force from a first drive transmitting member attached to the drive source to a second drive transmitting member attached to the convey member through one or more speed reduction members stepwisely. Among the first drive transmitting member, second drive transmitting member and speed reduction members, manufacturing accuracy of the speed reduction member disposed at a front stage of the second drive transmitting member is greater than manufacturing accuracies of the other members.
    Type: Grant
    Filed: June 5, 1997
    Date of Patent: May 11, 1999
    Assignee: Canon Kabushiki Kaisha
    Inventors: Yasushi Koike, Shoichi Kan, Nozomu Nishiberi
  • Patent number: 5899613
    Abstract: The present invention provides an image recording apparatus with an image recording unit for recording an image on a recording medium, a first conveyor for conveying the recording medium to an image recording portion of the image recording unit while bending the recording medium along a drive convey roller by means of the drive convey roller, and a second conveyor for conveying an elongated recording medium having a plurality of pin holes to the first conveyor. A guide capable of changing a contact area between the recording medium and the drive convey roller at a curved portion of the recording medium along the drive convey roller is also provided.
    Type: Grant
    Filed: March 27, 1997
    Date of Patent: May 4, 1999
    Assignee: Canon Kabushiki Kaisha
    Inventors: Yasushi Koike, Yoji Ara, Jun Katayanagi, Masaaki Kakizaki, Nozomu Nishiberi, Seiji Ogasawara
  • Patent number: 5880754
    Abstract: An ink jet recording apparatus for recording on a recording medium using an ink jet recording head that records by discharging ink from ink discharge ports thereof. The ink jet recording apparatus includes a carriage that carries the ink jet recording head and reciprocally moves the head in a manner such that the recording head is opposite the recording medium, and the carriage includes a temperature stabilization portion contactable with the ink jet recording head carried on the carriage, wherein the temperature stabilization portion radiates heat generated by the ink jet recording head.
    Type: Grant
    Filed: May 26, 1995
    Date of Patent: March 9, 1999
    Assignee: Canon Kabushiki Kaisha
    Inventors: Takeji Niikura, Yoji Ara, Tsutomu Shimada, Shoichi Kan, Masaaki Kakizaki, Nozomu Nishiberi, Yasushi Koike, Seiji Ogasawara