Patents by Inventor Ryoichi Tanaka

Ryoichi Tanaka 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: 8590996
    Abstract: A liquid ejecting apparatus includes a liquid ejecting head having a nozzle that ejects liquid and a pressure chamber in communication with the nozzle. A pressure generator causes pressure fluctuation in the liquid retained in the pressure chamber. The liquid ejecting head is capable of ejecting the liquid from the nozzle as a result of operation of the pressure generator. A driving signal generating section generates a driving signal having an ejection pulse for driving the pressure generator to eject the liquid from the nozzle. The ejection pulse is a voltage waveform four waveform portions having, respectively, voltage levels V1, V2, V3 and V4 that satisfy the following conditions (A) and (B). 0?V3?0.4×V2??(A) 0.
    Type: Grant
    Filed: December 5, 2012
    Date of Patent: November 26, 2013
    Assignee: Seiko Epson Corporation
    Inventors: Teruaki Kaieda, Ryoichi Tanaka
  • Patent number: 8562094
    Abstract: Liquid ejecting apparatus and related methods of operation are disclosed. A liquid ejecting apparatus includes an ejecting head having liquid-ejecting nozzles, a platen disposed to support a recording medium and face the ejecting head, a movement section that moves the ejecting head relative to the platen, a heater that heats the platen, a temperature sensor to detect a temperature of the ejecting head, a driving waveform generation section that generates a driving waveform to drive the ejecting head in accordance with the detected temperature, and a liquid ejection control section that supplies the driving waveform to the ejecting head to eject liquid for printing on the recording medium in a printing area. The driving waveform is generated according to a temperature of the ejecting head that is detected when the ejecting head has come to an area outside the printing area.
    Type: Grant
    Filed: April 6, 2011
    Date of Patent: October 22, 2013
    Assignee: Seiko Epson Corporation
    Inventors: Kinya Ozawa, Shushi Makita, Ryoichi Tanaka
  • Patent number: 8517498
    Abstract: Liquid ejecting apparatus and control methods thereof are disclosed. A liquid ejecting apparatus includes an ejecting head having liquid-ejecting nozzles, a platen disposed to support a recording medium and face the ejecting head, a heater that heats the platen, a temperature sensor to detect a temperature of the ejecting head, and a control section that causes liquid to be ejected from the nozzles. If a change in a temperature of the ejecting head and/or a temperature of the ejecting head exceeds a predetermined range, the control section stops ejection of liquid for printing from the nozzles in the absence of a user input to continue printing. After the control section stops the ejection of liquid, a response process can be carried out.
    Type: Grant
    Filed: April 6, 2011
    Date of Patent: August 27, 2013
    Assignee: Seiko Epson Corporation
    Inventors: Shushi Makita, Kinya Ozawa, Ryoichi Tanaka
  • Publication number: 20130140834
    Abstract: An inside-door-handle device for a vehicle is provided with a base part and a cover. A swinging space is provided between the base part and the cover. The cover has a locking section; the base part has a lock-receiving section. A swing motion of the cover relative to the base part is regulated by the elastic locking between the locking section and the lock-receiving section. If the cover swings relative to the base part due to pushing operation toward the cover, the lock between the locking section and the lock-receiving section is released, and the cover can be separated from the base part.
    Type: Application
    Filed: September 27, 2011
    Publication date: June 6, 2013
    Applicant: ALPHA CORPORATION
    Inventors: Ryoichi Tanaka, Noriaki Ito
  • Patent number: 8434846
    Abstract: A liquid ejecting apparatus including a liquid ejecting head which ejects a liquid from a nozzle passage, a heating unit which heats and dries the liquid attached to an ejection medium, a temperature measuring unit which is disposed at a predetermined region near the liquid ejecting head, a temperature calculating unit which calculates a temperature of the liquid ejected from the liquid ejecting head based on the initial temperature measurement and a temperature correction table which associates time obtained after operation of the heating unit with a temperature of the liquid and which calculates a temperature of the liquid based on a descending correction table associating a difference between a temperature obtained immediately after interruption of the heating unit and an outside ambient temperature, and a driving waveform correcting unit which corrects a head driving waveform of the liquid ejecting head on the basis of a calculation result.
    Type: Grant
    Filed: January 29, 2010
    Date of Patent: May 7, 2013
    Assignee: Seiko Epson Corporation
    Inventor: Ryoichi Tanaka
  • Patent number: 8410273
    Abstract: Low molecular weight compound exhibiting an osteogenesis-promoting action having the general formula (I) or a pharmacologically acceptable salt thereof:
    Type: Grant
    Filed: October 5, 2011
    Date of Patent: April 2, 2013
    Assignee: Daiichi Sankyo Company, Limited
    Inventors: Osamu Kanno, Katsuyoshi Nakajima, Kazumasa Aoki, Ryoichi Tanaka, Shimpei Hirano, Kiyoshi Oizumi, Satoru Naito
  • Publication number: 20130050336
    Abstract: An ink jet recording apparatus records an image on a recording material by ejecting a first ink composition through at least one first liquid ejecting nozzle having an open end. The ink jet recording apparatus also includes a platen having a surface on which the recording medium is placed. The surface is away from the open end at a distance PG satisfying the relationship 0.5 mm<PG<2.5 mm. The first ink composition that has been ejected through the first liquid ejecting nozzle is split into a main droplet having a flying velocity Vm and at least one satellite droplet including a satellite droplet having a flying velocity Vs. The flying velocities Vm and Vs satisfy the relationship Vm?Vs<3 m/s.
    Type: Application
    Filed: August 27, 2012
    Publication date: February 28, 2013
    Applicant: SEIKO EPSON CORPORATION
    Inventors: Atsushi Muto, Masanao Sato, Ryoichi Tanaka, Satoshi Kimura
  • Patent number: 8348367
    Abstract: A liquid ejecting apparatus includes a liquid ejecting head having a nozzle that ejects liquid and a pressure chamber in communication with the nozzle. A pressure generator causes pressure fluctuation in the liquid retained in the pressure chamber. The liquid ejecting head is capable of ejecting the liquid from the nozzle as a result of operation of the pressure generator. A driving signal generating section generates a driving signal having an ejection pulse for driving the pressure generator to eject the liquid from the nozzle. The ejection pulse is a voltage waveform four waveform portions having, respectively, voltage levels V1, V2, V3 and V4 that satisfy the following conditions (A) and (B). 0?V3?0.4×V2??(A) 0.
    Type: Grant
    Filed: September 28, 2010
    Date of Patent: January 8, 2013
    Assignee: Seiko Epson Corporation
    Inventors: Teruaki Kaieda, Ryoichi Tanaka
  • Publication number: 20120287186
    Abstract: To reduce the number of nozzles in an unstable state after a nozzle inspection, a fluid discharge device includes a discharge head capable of discharging a fluid from nozzle, a nozzle inspection process for inspecting a state of discharging of the fluid from the nozzle, and a controller for subjecting the nozzle to a pre-process for discharging the fluid under a discharge condition that a nozzle in an unstable state be put into a dot omission state, subsequently discharging the fluid for the sake of inspection, and executing an inspection process by the nozzle inspection part.
    Type: Application
    Filed: April 25, 2012
    Publication date: November 15, 2012
    Applicant: SEIKO EPSON CORPORATION
    Inventors: Ryoichi TANAKA, Noriaki YAMASHITA, Teruaki KAIEDA, Ryosuke TSUCHIHASHI, Hirokazu NUNOKAWA
  • Publication number: 20120229565
    Abstract: A fluid ejection device comprising: a first mid-recording flushing unit for ejecting fluid from the plurality of nozzles and carrying out flushing under a first fluid ejection condition during a recording process in accordance with the recording data; and a second mid-recording flushing unit for ejecting the fluid from the nozzles on the head part and carrying out flushing under a second fluid ejection condition in which at least one of the ejection frequency and quantity of the droplets of fluid ejected from the nozzles is greater than with the first fluid ejection condition when the head part is in a recording initiation part of an image that is formed on the recording medium during the recording process.
    Type: Application
    Filed: March 7, 2012
    Publication date: September 13, 2012
    Applicant: SEIKO EPSON CORPORATION
    Inventors: Tomohiro YUDA, Ryoichi TANAKA
  • Patent number: 8172351
    Abstract: A printing apparatus includes a transport unit that transports a print medium in a predetermined transport direction, and a printing control unit that performs preliminary printing by ejecting ink droplets through a plurality of nozzles, which are the same as nozzles used for printing a reference mark, onto an area on a downstream side of a specific position in the transport direction in an area of the print medium before printing the reference mark on the specific position of the print medium by ejecting ink droplets through a print head provided with the nozzles for ejecting the ink droplets.
    Type: Grant
    Filed: September 23, 2009
    Date of Patent: May 8, 2012
    Assignee: Seiko Epson Corporation
    Inventors: Teruaki Kaieda, Ryoichi Tanaka
  • Patent number: 8132880
    Abstract: A liquid ejecting device includes a nozzle group formed by aligning nozzles that eject a liquid, and a liquid ejecting head that ejects liquids from the nozzles based on ejection serial data that represents ejection or non-ejection of each nozzle of the nozzle group. The liquid ejecting head ejects a liquid to a landing target while the liquid ejecting head and the landing target are relatively moved in a second direction that is perpendicular to a first direction in which the nozzles are aligned. The liquid ejecting device further includes a meandering correction pattern forming unit that forms a meandering correction pattern along the second direction in a margin outside the regulated landing area of the landing target and a meandering correction pattern detecting unit that detects the meandering correction pattern formed in the landing target by the meandering correction pattern forming unit.
    Type: Grant
    Filed: November 5, 2008
    Date of Patent: March 13, 2012
    Assignee: Seiko Epson Corporation
    Inventors: Ryoichi Tanaka, Kazuhito Hori, Hirokazu Nunokawa
  • Publication number: 20120040936
    Abstract: Low molecular weight compound exhibiting an osteogenesis-promoting action having the general formula (I) or a pharmacologically acceptable salt thereof:
    Type: Application
    Filed: October 5, 2011
    Publication date: February 16, 2012
    Applicant: DAIICHI SANKYO COMPANY, LIMITED
    Inventors: Osamu Kanno, Katsuyoshi Nakajima, Kazumasa Aoki, Ryoichi Tanaka, Shimpei Hirano, Kiyoshi Oizumi, Satoru Naito
  • Publication number: 20110269746
    Abstract: Compounds exhibiting an osteogenesis-promoting action having the general formula (I) or a pharmacologically acceptable salt thereof: wherein A is selected from among a 3- to 10-membered heterocyclyl group, B is selected from among an amino group, and X is selected from N and CH.
    Type: Application
    Filed: July 14, 2011
    Publication date: November 3, 2011
    Applicant: Daiichi Sankyo Company, Limited
    Inventors: Osamu Kanno, Katsuyoshi Nakajima, Kazumasa Aoki, Ryoichi Tanaka, Shimpei Hirano, Kiyoshi Oizumi, Daigo Asano
  • Publication number: 20110249053
    Abstract: Liquid ejecting apparatus and control methods thereof are disclosed. A liquid ejecting apparatus includes an ejecting head having liquid-ejecting nozzles, a platen disposed to support a recording medium and face the ejecting head, a heater that heats the platen, a temperature sensor to detect a temperature of the ejecting head, and a control section that causes liquid to be ejected from the nozzles. If a change in a temperature of the ejecting head and/or a temperature of the ejecting head exceeds a predetermined range, the control section stops ejection of liquid for printing from the nozzles in the absence of a user input to continue printing. After the control section stops the ejection of liquid, a response process can be carried out.
    Type: Application
    Filed: April 6, 2011
    Publication date: October 13, 2011
    Applicant: SEIKO EPSON CORPORATION
    Inventors: Shushi Makita, Kinya Ozawa, Ryoichi Tanaka
  • Publication number: 20110249050
    Abstract: Liquid ejecting apparatus and related methods of operation are disclosed. A liquid ejecting apparatus includes an ejecting head having liquid-ejecting nozzles, a platen disposed to support a recording medium and face the ejecting head, a movement section that moves the ejecting head relative to the platen, a heater that heats the platen, a temperature sensor to detect a temperature of the ejecting head, a driving waveform generation section that generates a driving waveform to drive the ejecting head in accordance with the detected temperature, and a liquid ejection control section that supplies the driving waveform to the ejecting head to eject liquid for printing on the recording medium in a printing area. The driving waveform is generated according to a temperature of the ejecting head that is detected when the ejecting head has come to an area outside the printing area.
    Type: Application
    Filed: April 6, 2011
    Publication date: October 13, 2011
    Applicant: SEIKO EPSON CORPORATION
    Inventors: Kinya Ozawa, Shushi Makita, Ryoichi Tanaka
  • Publication number: 20110175377
    Abstract: An inside door handle device includes: a handle base (10) fixed to an inner panel that composes a door interior of an automobile; an opening portion (11) formed of a through hole formed on one side of the handle base (10); an operation recessed portion (12) that has a recessed shape and is arranged adjacent to the opening portion (11) on the other side of the handle base (10); fixation portions (17) formed in the operation recessed portion (12) and fixed to the inner panel; a handle body (20) in which a grip portion (22) located on a tip end side is urged and held onto the operation recessed portion (12) while a base end side is being swingably supported on the opening portion (11) with handle support portions (14a) interposed therebetween; and a support beam (13) protruded on the opening portion (11) and formed into a fixed-fixed beam shape bent into an L-shape.
    Type: Application
    Filed: January 7, 2010
    Publication date: July 21, 2011
    Applicant: ALPHA CORPORATION
    Inventors: Ryoichi Tanaka, Yutaka Saitoh
  • Publication number: 20110154617
    Abstract: A door handle apparatus is provided with: a handle base (6); an operation handle (3) rotatably connected to the handle base (6) via a rotating shaft (4) and including a handle portion (1) on which a button insertion opening (2) is opened; a switch mounting hole (7) opened in the handle base (6); a push button switch (10) inserted from a back side opening portion of the switch mounting hole (7) and including an operation button portion (8) exposed from a front side opening portion of the switch mounting hole (7); a retaining step portion (9) formed within the switch mounting hole (7) and adapted to prevent the pushbutton switch (10) from dislocating in a front direction; and a stopper (13) including a shaft locking piece (11) engaging with the rotating shaft (4) to restrict a dislocation of the rotating shaft, and a stopper piece (12) for restricting a dislocation of the push button switch (10) in a back direction.
    Type: Application
    Filed: November 2, 2009
    Publication date: June 30, 2011
    Applicant: ALPHA CORPORATION
    Inventors: Ryoichi Tanaka, Noriaki Itou
  • Patent number: 7959267
    Abstract: A liquid ejection apparatus having a liquid ejection head and a switching device is provided. The switching device includes a first supply passage through which first liquid flows, a second supply passage through which second liquid different from the first liquid flows, a head supply passage, a first ON-OFF valve that selectively opens and closes the first supply passage, a second ON-OFF valve that selectively opens and closes the second supply passage, a rotary cam, and an actuator. The head supply passage extends from a joining point between a downstream end of the first supply passage and a downstream end of the second supply passage to the liquid ejection head. The actuator is driven by the cam in such a manner that the first ON-OFF valve and the second ON-OFF valve are selectively opened and closed. The actuator operates the first and second ON-OFF valves in such a manner that one of the first and second ON-OFF valves becomes open and the other becomes closed.
    Type: Grant
    Filed: November 28, 2007
    Date of Patent: June 14, 2011
    Assignee: Seiko Epson Corporation
    Inventors: Ryoichi Tanaka, Toshio Kumagai
  • Publication number: 20110080444
    Abstract: A liquid ejecting apparatus includes a liquid ejecting head having a nozzle that ejects liquid and a pressure chamber in communication with the nozzle. A pressure generator causes pressure fluctuation in the liquid retained in the pressure chamber. The liquid ejecting head is capable of ejecting the liquid from the nozzle as a result of operation of the pressure generator. A driving signal generating section generates a driving signal having an ejection pulse for driving the pressure generator to eject the liquid from the nozzle. The ejection pulse is a voltage waveform four waveform portions having, respectively, voltage levels V1, V2, V3 and V4 that satisfy the following conditions (A) and (B).
    Type: Application
    Filed: September 28, 2010
    Publication date: April 7, 2011
    Applicant: SEIKO EPSON CORPORATION
    Inventors: Teruaki KAIEDA, Ryoichi TANAKA