Patents by Inventor Masashi Ogasawara

Masashi Ogasawara 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: 10282264
    Abstract: Apparatuses and methods for repairing memory devices including a plurality of memory die and an interface are disclosed. An example apparatus includes a first stack that includes a plurality of first dies stacked with one another, the first dies include a plurality of first channels, at least one of which is designated as a first defective channel, and further includes a second stack stacked with the first stack and including a plurality of second dies stacked with one another, the second dies including a plurality of second channels, at least one of which is designated as a second defective channel. A control circuit is configured, responsive to a command for accessing the first defective channel, to access one of the plurality of second channels in place of accessing the first defective channel, wherein the one of the plurality of second channels corresponds to the first defective channel and is not designated as the second defective channel.
    Type: Grant
    Filed: November 9, 2017
    Date of Patent: May 7, 2019
    Assignee: Micron Technology, Inc.
    Inventor: Masashi Ogasawara
  • Patent number: 9789698
    Abstract: An aqueous ink set for ink jet including a combination of a first ink and a second ink. The first ink includes a self-dispersible pigment to a particle surface of which a functional group that includes a phosphonic acid group is bonded, wherein the redispersion viscosity of the first ink is 5 mPa·s or less. The second ink includes an anionic dye, a lithium ion, and a sodium ion, wherein the total concentration of the lithium ion and the sodium ion in the second ink is 0.050 mol/L or more, and the proportion of the concentration of the lithium ion in the total concentration of the lithium ion and the sodium ion in the second ink is 45% or more to 85% or less.
    Type: Grant
    Filed: November 2, 2015
    Date of Patent: October 17, 2017
    Assignee: Canon Kabushiki Kaisha
    Inventors: Soichi Nagai, Masashi Ogasawara, Fumiaki Fujioka
  • Patent number: 9387679
    Abstract: An ink jet recording method for recording an image onto a recording medium by ejecting an aqueous ink containing a resin from an ejection orifice through use of an ink jet recording apparatus including a recording head having a water-repellent face subjected to water-repellent treatment as an ejection orifice face provided with an ejection orifice; a wiping unit configured to wipe the water-repellent face; and a heating unit configured to heat the water-repellent face, the ink jet recording method including a heating step of wiping the water-repellent face with the wiping unit after heating the water-repellent face with the heating unit and continuously heating the water-repellent face until after the wiping of the water-repellent face.
    Type: Grant
    Filed: December 12, 2014
    Date of Patent: July 12, 2016
    Assignee: CANON KABUSHIKI KAISHA
    Inventors: Kenichi Shiiba, Masashi Ogasawara, Daiji Okamura, Kousuke Yamasaki, Atsushi Takahashi, Tomoyuki Tenkawa
  • Publication number: 20160152849
    Abstract: An aqueous ink set for ink jet including a combination of a first ink and a second ink. The first ink contains a self-dispersible pigment to a particle surface of which a functional group containing a phosphonic acid group is bonded, wherein the redispersion viscosity of the first ink is 5 mPa·s or less. The second ink contains an anionic dye, a lithium ion and a sodium ion, wherein the total concentration of the lithium ion and the sodium ion in the second ink is 0.050 mol/L or more, and the proportion of the concentration of the lithium ion in the total concentration of the lithium ion and the sodium ion in the second ink is 45% or more and 85% or less.
    Type: Application
    Filed: November 2, 2015
    Publication date: June 2, 2016
    Inventors: Soichi Nagai, Masashi Ogasawara, Fumiaki Fujioka
  • Patent number: 9315683
    Abstract: The present invention provides an ink that can achieve image characteristics for recording an image having excellent optical density, bleeding resistance, and white blur resistance and also can achieve reliability that provides excellent sticking resistance to a recording head. The ink is one for ink jet containing a first pigment and second pigment. The first pigment is a self-dispersible pigment to a surface of a particle of which a first functional group containing a phosphonic acid group is bonded. The second pigment is a self-dispersible pigment to a surface of a particle of which a second functional group not containing a phosphonic acid group but containing an anionic group other than the phosphonic acid group, and further containing another atomic group is bonded. The introduced amount of the functional group of the second pigment is 0.25 mmol/g or more.
    Type: Grant
    Filed: May 7, 2013
    Date of Patent: April 19, 2016
    Assignee: Canon Kabushiki Kaisha
    Inventors: Souichi Nagai, Masashi Ogasawara, Keigo Gouda, Fumiaki Fujioka, Akiko Yasuda
  • Patent number: 9180680
    Abstract: A water-based ink of the present invention includes water, a plurality of different water-soluble organic solvents, and a water-insoluble coloring material, wherein the above water-soluble organic solvents consist of a good solvent to the above water-insoluble coloring material and a poor solvent to the above water-insoluble coloring material, and the total amount (% by mass) of the good solvents in the ink is represented by A and the total amount (% by mass) of the poor solvent in the ink is represented by B, the ratio of A to B ranges from 10:5 to 10:30 both inclusive, and when the respective Ka values of the above water-soluble organic solvents are determined by the Bristow method and compared with each other, a water-soluble organic solvent having the largest Ka value is the poor solvent. The pigment ink has a sufficiently large area factor even with a small amount of ink and provides an image of high OD.
    Type: Grant
    Filed: October 14, 2014
    Date of Patent: November 10, 2015
    Assignee: Canon Kabushiki Kaisha
    Inventors: Mikio Sanada, Katsuhiko Takahashi, Masashi Ogasawara, Tomonari Watanabe, Yui Kitamura
  • Publication number: 20150183220
    Abstract: An ink jet recording method for recording an image onto a recording medium by ejecting an aqueous ink containing a resin from an ejection orifice through use of an ink jet recording apparatus including a recording head having a water-repellent face subjected to water-repellent treatment as an ejection orifice face provided with an ejection orifice; a wiping unit configured to wipe the water-repellent face; and a heating unit configured to heat the water-repellent face, the ink jet recording method including a heating step of wiping the water-repellent face with the wiping unit after heating the water-repellent face with the heating unit and continuously heating the water-repellent face until after the wiping of the water-repellent face.
    Type: Application
    Filed: December 12, 2014
    Publication date: July 2, 2015
    Inventors: Kenichi Shiiba, Masashi Ogasawara, Daiji Okamura, Kousuke Yamasaki, Atsushi Takahashi, Tomoyuki Tenkawa
  • Patent number: 8992674
    Abstract: An ink containing a first coloring material and a second coloring material, the sum total of these contents being 6.0% by mass or less. The first coloring material is a black coloring material exhibiting a difference ??max1 of 20.0 or more between a maximum absorption wavelength in a 20.0% by mass aqueous solution of 1,2-hexanediol and a maximum absorption wavelength in water, the second coloring material is a specific coloring material exhibiting a difference ??max2 of 12.0 or less between a maximum absorption wavelength in a 20.0% by mass aqueous solution of 1,2-hexanediol and a maximum absorption wavelength in water, and the sum of the ??max1 and the ??max2 is 35.0 or less.
    Type: Grant
    Filed: August 12, 2013
    Date of Patent: March 31, 2015
    Assignee: Canon Kabushiki Kaisha
    Inventors: Masayuki Ikegami, Masashi Ogasawara, Tetsu Iwata, Takashi Saito, Masashi Tsujimura, Yojiro Kojima
  • Patent number: 8985755
    Abstract: Provided is an ink for ink jet including a first pigment and a second pigment. Each of the first pigment and the second pigment comprises a self-dispersible carbon black in which a functional group containing two phosphonic acid groups is bonded to a particle surface. The average particle size of the first pigment is smaller than the average particle size of the second pigment. The introduced amount of the functional group of the first pigment is higher than the introduced amount of the functional group of the second pigment.
    Type: Grant
    Filed: June 3, 2014
    Date of Patent: March 24, 2015
    Assignee: Canon Kabushiki Kaisha
    Inventors: Fumiaki Fujioka, Masashi Ogasawara, Keigo Gouda, Souichi Nagai, Akiko Yasuda
  • Patent number: 8987348
    Abstract: The invention provides provide an ink jet ink exhibiting such an excellent ejection property that when an ink containing a polymer capable of improving the scratch resistance of a recorded article is used, the deviation of the ink-droplet impact point on a recording medium is prevented. The ink jet ink contains a polymer and a surfactant, wherein the acid value of the polymer is from 100 mg KOH/g or more to 220 mg KOH/g or less, the weight-average molecular weight of the polymer is from 3,000 or more to 10,000 or less, and the surfactant has a structure represented by the following formula (1) wherein n is a numerical value of from 3 or more to 27 or less, and m is a numerical value of from 16 or more to 31 or less.
    Type: Grant
    Filed: May 21, 2008
    Date of Patent: March 24, 2015
    Assignee: Canon Kabushiki Kaisha
    Inventors: Fumihiko Mukae, Masashi Ogasawara, Souichi Nagai, Shuichi Okazaki, Shin-ichi Hakamada, Yoshio Nakajima
  • Patent number: 8986435
    Abstract: The invention provides an ink containing a coloring material and a water-soluble organic solvent, wherein the coloring material is a compound represented by the following general formula (1), and the water-soluble organic solvent includes an alkanediol having 4 to 6 carbon atoms: wherein rings A, B, C and D each indicated by a broken line are, independently of one another, a benzene ring or a nitrogen-containing heteroaromatic ring, the number of the nitrogen-containing heteroaromatic ring is more than 0.0 and 3.0 or less, the remainder is the benzene ring, R1 is an alkyl group, R2 is an alkylene group, X is an anilino group having one or more sulfonic groups, m is more than 0.0 and less than 3.9, n is 0.1 or more and less than 4.0, and the sum of m and n is 1.0 or more and less than 4.0.
    Type: Grant
    Filed: March 12, 2013
    Date of Patent: March 24, 2015
    Assignee: Canon Kabushiki Kaisha
    Inventors: Takashi Saito, Masashi Ogasawara, Masayuki Ikegami, Tetsu Iwata, Masashi Tsujimura
  • Publication number: 20150029241
    Abstract: A water-based ink of the present invention comprises water, a plurality of different water-soluble organic solvents, and a water-insoluble coloring material, wherein the above water-soluble organic solvents consist of a good solvent to the above water-insoluble coloring material and a poor solvent to the above water-insoluble coloring material, and the total amount (% by mass) of the good solvents in the ink is represented by A and the total amount (% by mass) of the poor solvent in the ink is represented by B, the ratio of A to B ranges from 10:5 to 10:30 both inclusive, and when the respective Ka values of the above water-soluble organic solvents are determined by the Bristow method and compared with each other, a water-soluble organic solvent having the largest Ka value is the poor solvent. The pigment ink has a sufficiently large area factor even with a small amount of ink and provides an image of high OD.
    Type: Application
    Filed: October 14, 2014
    Publication date: January 29, 2015
    Inventors: Mikio Sanada, Katsuhiko Takahashi, Masashi Ogasawara, Tomonari Watanabe, Yui Kitamura
  • Patent number: 8932394
    Abstract: The present invention provides an ink jet ink that is capable of recording an image excellent in light resistance and ozone resistance and has excellent intermittent ejection stability. The ink jet ink contains a coloring material and a water-soluble organic solvent. The coloring material contains a compound represented by the following general formula (I), the water-soluble organic solvent contains ethylene urea end an alkanediol having 4 to 6 carbon atoms, and a content A (% by mass) of the coloring material, a content B (% by mass) of the ethylene urea and a content C (% by mass) of the alkanediol having 4 to 6 carbon atoms based on a total mass of the ink satisfy relationships of 0.20?B/A?10.0 and 0.10?C/A?10.0.
    Type: Grant
    Filed: July 19, 2013
    Date of Patent: January 13, 2015
    Assignee: Canon Kabushiki Kaisha
    Inventors: Satoshi Kudo, Junichi Sakai, Masashi Ogasawara, Tetsu Iwata, Masashi Tsujimura, Takashi Saito, Masayuki Ikegami
  • Publication number: 20150002576
    Abstract: Provided is an ink for ink jet including a first pigment and a second pigment. Each of the first pigment and the second pigment comprises a self-dispersible carbon black in which a functional group containing two phosphonic acid groups is bonded to a particle surface. The average particle size of the first pigment is smaller than the average particle size of the second pigment. The introduced amount of the functional group of the first pigment is higher than the introduced amount of the functional group of the second pigment.
    Type: Application
    Filed: June 3, 2014
    Publication date: January 1, 2015
    Applicant: CANON KABUSHIKI KAISHA
    Inventors: Fumiaki Fujioka, Masashi Ogasawara, Keigo Gouda, Souichi Nagai, Akiko Yasuda
  • Patent number: 8899736
    Abstract: A water-based ink of the present invention includes water, a plurality of different water-soluble organic solvents, and a water-insoluble coloring material, wherein the water-soluble organic solvents consist of a good solvent to the water-insoluble coloring material and a poor solvent to the water-insoluble coloring material, and the total amount (% by mass) of the good solvents in the ink is represented by A and the total amount (% by mass) of the poor solvent in the ink is represented by B, the ratio of A to B ranges from 10:5 to 10:30 both inclusive, and when the respective Ka values of the above water-soluble organic solvents are determined by the Bristow method and compared with each other, a water-soluble organic solvent having the largest Ka value is the poor solvent. The pigment ink has a sufficiently large area factor even with a small amount of ink.
    Type: Grant
    Filed: September 17, 2013
    Date of Patent: December 2, 2014
    Assignee: Canon Kabushiki Kaisha
    Inventors: Mikio Sanada, Katsuhiko Takahashi, Masashi Ogasawara, Tomonari Watanabe, Yui Kitamura
  • Publication number: 20140192111
    Abstract: The present invention provides an ink that can achieve image characteristics for recording an image having excellent optical density, bleeding resistance, and white blur resistance and also can achieve reliability that provides excellent sticking resistance to a recording head. The ink is one for ink jet containing a first pigment and second pigment. The first pigment is a self-dispersible pigment to a surface of a particle of which a first functional group containing a phosphonic acid group is bonded. The second pigment is a self-dispersible pigment to a surface of a particle of which a second functional group not containing a phosphonic acid group but containing an anionic group other than the phosphonic acid group, and further containing another atomic group is bonded. The introduced amount of the functional group of the second pigment is 0.25 mmol/g or more.
    Type: Application
    Filed: May 7, 2013
    Publication date: July 10, 2014
    Inventors: Souichi Nagai, Masashi Ogasawara, Keigo Gouda, Fumiaki Fujioka, Akiko Yasuda
  • Patent number: 8675233
    Abstract: An electronic apparatus includes a communication unit to communicate with other electronic apparatuses and a license management apparatus; a license file management unit to obtain license files from the license management apparatus; a license information management unit to manage license information to determine licensed software programs; an apparatus management unit to manage apparatus-related information including component parts information; and a license distribution management unit. The license distribution management unit confirms that licensed software programs are present. When transferring licenses for the confirmed software programs, the license distribution management unit requests and obtains the license information and the apparatus-related information from the other electronic apparatuses.
    Type: Grant
    Filed: November 11, 2011
    Date of Patent: March 18, 2014
    Assignee: Ricoh Company, Ltd.
    Inventors: Masashi Ogasawara, Yoshihiro Ogura
  • Patent number: 8672465
    Abstract: A water-based ink of the present invention includes water, a plurality of different water-soluble organic solvents, and a water-insoluble coloring material, wherein the above water-soluble organic solvents consist of a good solvent to the above water-insoluble coloring material and a poor solvent to the above water-insoluble coloring material, and the total amount (% by mass) of the good solvents in the ink is represented by A and the total amount (% by mass) of the poor solvent in the ink is represented by B, the ratio of A to B ranges from 10:5 to 7:9 both inclusive, and when the respective Ka values of the above water-soluble organic solvents are determined by the Bristow method and compared with each other, a water-soluble organic solvent having the largest Ka value is the poor solvent. The pigment ink has a sufficiently large area factor even with a small amount of ink and provides an image of high OD.
    Type: Grant
    Filed: July 27, 2011
    Date of Patent: March 18, 2014
    Assignee: Canon Kabushiki Kaisha
    Inventors: Mikio Sanada, Katsuhiko Takahashi, Masashi Ogasawara, Tomonari Watanabe, Yui Tokuda
  • Publication number: 20140063157
    Abstract: An ink containing a first coloring material and a second coloring material, the sum total of these contents being 6.0% by mass or less. The first coloring material is a black coloring material exhibiting a difference ??max1 of 20.0 or more between a maximum absorption wavelength in a 20.0% by mass aqueous solution of 1,2-hexanediol and a maximum absorption wavelength in water, the second coloring material is a specific coloring material exhibiting a difference ??max2 of 12.0 or less between a maximum absorption wavelength in a 20.0% by mass aqueous solution of 1,2-hexanediol and a maximum absorption wavelength in water, and the sum of the ??max1 and the ??max2 is 35.0 or less.
    Type: Application
    Filed: August 12, 2013
    Publication date: March 6, 2014
    Applicant: CANON KABUSHIKI KAISHA
    Inventors: Masayuki Ikegami, Masashi Ogasawara, Tetsu Iwata, Takashi Saito, Masashi Tsujimura, Yojiro Kojima
  • Publication number: 20140063114
    Abstract: A water-based ink of the present invention includes water, a plurality of different water-soluble organic solvents, and a water-insoluble coloring material, wherein the water-soluble organic solvents consist of a good solvent to the water-insoluble coloring material and a poor solvent to the water-insoluble coloring material, and the total amount (% by mass) of the good solvents in the ink is represented by A and the total amount (% by mass) of the poor solvent in the ink is represented by B, the ratio of A to B ranges from 10:5 to 10:30 both inclusive, and when the respective Ka values of the above water-soluble organic solvents are determined by the Bristow method and compared with each other, a water-soluble organic solvent having the largest Ka value is the poor solvent. The pigment ink has a sufficiently large area factor even with a small amount of ink.
    Type: Application
    Filed: September 17, 2013
    Publication date: March 6, 2014
    Applicant: CANON KABUSHIKI KAISHA
    Inventors: Mikio Sanada, Katsuhiko Takahashi, Masashi Ogasawara, Tomonari Watanabe, Yui Tokuda