Patents by Inventor Hiroaki Shimizu

Hiroaki Shimizu 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: 20120317815
    Abstract: Second hair lifting frames provided on the rear side in the traveling direction is arranged closer to a top than first hair lifting frames provided on the front side in the traveling direction. Accordingly, the differences in hair lifting ability between the first hair lifting frames and the second hair lifting frames can be reduced so as to lift body hair up more efficiently.
    Type: Application
    Filed: March 24, 2011
    Publication date: December 20, 2012
    Applicant: PANASONIC CORPORATION
    Inventors: Hiroaki Shimizu, Noboru Kobayashi, Shunsuke Komori, Toshio Ikuta, Jyuzaemon Iwasaki
  • Patent number: 8323869
    Abstract: A positive resist composition including a polymeric compound (A1) having a structural unit (a0) represented by general formula (a0-1) (R represents a hydrogen atom, an alkyl group of 1 to 5 carbon atoms or a halogenated alkyl group of 1 to 5 carbon atoms, R2 represents a divalent linking group, R3 represents a cyclic group containing —SO2— within the ring skeleton thereof) and a structural unit (a1) derived from an acrylate ester containing an acid dissociable, dissolution inhibiting group, an acid-generator component (B) and a fluorine-containing polymeric compound (F1) having a structural unit containing a base dissociable group.
    Type: Grant
    Filed: March 10, 2010
    Date of Patent: December 4, 2012
    Assignee: Tokyo Ohka Kogyo Co., Ltd.
    Inventors: Hiroaki Shimizu, Hideto Nito, Junichi Tsuchiya, Takahiro Dazai
  • Publication number: 20120276481
    Abstract: A method of forming a resist pattern, the method including: forming a resist film on a substrate using a resist composition containing a base component (A) that exhibits reduced solubility in an organic solvent under the action of acid, an acid generator component (B) that generates acid upon exposure and a fluorine-containing polymeric compound (F), exposing the resist film, and patterning the resist film by negative tone development using a developing solution containing the organic solvent, thereby forming a resist pattern, wherein the base component (A) contains a resin component (A1) containing a structural unit (a1) derived from an acrylate ester, the dissolution rates of (A1) and (F) in the developing solution are each at least 10 nm/s, and the absolute value of the difference in the dissolution rates of (A1) and (F) in the developing solution is not more than 80 nm/s.
    Type: Application
    Filed: April 26, 2012
    Publication date: November 1, 2012
    Applicant: TOKYO OHKA KOGYO CO., LTD.
    Inventors: Hiroaki Shimizu, Hideto Nito
  • Publication number: 20120264058
    Abstract: A resist composition for negative development including a base component (A) which exhibits decreased solubility in an organic solvent under the action of acid and an acid generator component (B) which generates acid upon exposure; and the resist composition used in a method of forming a resist pattern which includes: forming a resist film on a substrate using the resist composition; conducting exposure of the resist film; and patterning the resist film by negative development using a developing solution containing the organic solvent to form a resist pattern, wherein the acid generator component (B) contains an acid generator (B1) that generates an acid having a log P value of 2.7 or less and also a pKa value of at least ?3.5.
    Type: Application
    Filed: April 5, 2012
    Publication date: October 18, 2012
    Applicant: TOKYO OHKA KOGYO CO., LTD.
    Inventors: Yoshiyuki Utsumi, Hiroaki Shimizu
  • Patent number: 8252505
    Abstract: A resist composition including a base component (A) that exhibits changed solubility in an alkali developing solution under the action of acid, and an acid generator component (B) that generates acid upon exposure, wherein the acid generator component (B) includes an acid generator (B1) consisting of a compound represented by general formula (b1-2) shown below: [Chemical Formula 1] A+Z???(b1-2) wherein A+ represents an organic cation; and Z? represents an anionic cyclic group, wherein the cyclic group includes an ester linkage within the ring structure, two mutually different groups are bonded to the ring structure, one of these groups includes an ester linkage in which a carbon atom that constitutes part of the ester linkage is bonded directly to the ring structure, and the other group includes an anion moiety.
    Type: Grant
    Filed: February 16, 2009
    Date of Patent: August 28, 2012
    Assignee: Tokyo Ohka Kogyo Co., Ltd.
    Inventors: Akiya Kawaue, Keita Ishiduka, Kensuke Matsuzawa, Yoshiyuki Utsumi, Hiroaki Shimizu
  • Patent number: 8252509
    Abstract: A resist composition including a base material component (A) that exhibits changed solubility in an alkali developing solution under the action of acid, an acid generator component (B) that generates acid upon exposure, and an nitrogen-containing organic compound (D), wherein the nitrogen-containing organic compound (D) includes a compound represented by general formula (d1) shown below: wherein R20 represents a methylene group, an ethylene group, an oxygen atom or —C(CH3)2—; R21 represents a hydrogen atom or an organic group; and R22 represents an alkoxy group, an alkoxycarbonyloxy group, a hydroxyl group, a halogen atom, —C(?O)—O—R23, —C(?O)—NH—R23 or a carboxyl group, wherein R23 represents a linear or branched alkyl group of 1 to 15 carbon atoms, an unsaturated hydrocarbon group, an aliphatic cyclic group, or an aromatic hydrocarbon group, and a represents an integer of 0 to 2.
    Type: Grant
    Filed: August 23, 2010
    Date of Patent: August 28, 2012
    Assignee: Tokyo Ohka Kogyo Co., Ltd.
    Inventors: Yoshiyuki Utsumi, Takehiro Seshimo, Hiroaki Shimizu, Naoto Motoike
  • Publication number: 20120214101
    Abstract: A resist composition including a base component (A) which exhibits changed solubility in a developing solution under action of acid, a basic-compound component (C) and an acid-generator component (B) which generates acid upon exposure, the component (B) including a compound represented by formula (b1), and the component (C) including at least one compound represented by formulas (c1) to (c3) (wherein Z1 represents a ring skeleton-containing hydrocarbon group, Q1 represents a divalent linking group containing oxygen, Y1 represents a fluorinated alkylene group, M+ represents an organic cation, R1 represents a fluorinated alkyl group or a hydrocarbon group, L1+ and L2+ represents a sulfonium or an iodonium, Z2 represents a hydrogen atom or a hydrocarbon group, Y2 represents a single bond or a divalent linking group containing no fluorine, R2 represents an organic group, Y3 represents an alkylene group or an arylene group; and Rf represents a fluorine-containing hydrocarbon group).
    Type: Application
    Filed: February 16, 2012
    Publication date: August 23, 2012
    Applicant: TOKYO OHKA KOGYO CO., LTD.
    Inventors: Hiroaki Shimizu, Sho Abe, Hideto Nito
  • Patent number: 8247160
    Abstract: A resist composition including a base component that exhibits changed solubility in an alkali developing solution under the action of acid, and an acid generator consisting of a compound represented by general formula (b1). In formula (b1), Y1 represents a fluorinated alkylene group of 1 to 4 carbon atoms, X represents an aliphatic cyclic group of 3 to 30 carbon atoms, R11? to R13? each represents an aryl group or alkyl group, provided that at least one of R11? to R13? is an aryl group having a substituent represented by general formula (b1-0), and two alkyl groups among R11? to R13? may be bonded to each other to form a ring with the sulfur atom in the formula. In formula (b1-0), R52 represents a chain-like or cyclic hydrocarbon group, and f and g each represents 0 or 1.
    Type: Grant
    Filed: July 13, 2009
    Date of Patent: August 21, 2012
    Assignee: Tokyo Ohka Kogyo Co., Ltd.
    Inventors: Yoshiyuki Utsumi, Keita Ishiduka, Kensuke Matsuzawa, Akiya Kawaue, Hiroaki Shimizu, Tsuyoshi Nakamura
  • Patent number: 8239991
    Abstract: An electric-electronic toothbrush carries a brush driven to vibrate, and arranged to flow an electric current into a user's oral cavity for promoting removal of tooth plaque. The electric-electronic toothbrush has a shaft driven to vibrate along and/or about an axis of the shaft, and a battery supplying the electric current. The shaft is electrically conductive to flow the electric current into a brush electrode of a brush head. The shaft is electrically connected to the battery by way of an extendible electrically conductive coupler within the handle. The electrically conductive coupler has its one end secured to the shaft, and the other end to an electrically conductive member connected to one of poles of the battery, so as to absorb the vibration of the shaft. The handle is provided on its outer peripheral surface with a touch electrode.
    Type: Grant
    Filed: December 25, 2007
    Date of Patent: August 14, 2012
    Assignee: Panasonic Corporation
    Inventors: Hiroaki Shimizu, Tomohiro Kunita, Shinichi Taniguchi, Suehisa Kishimoto, Tadanobu Kitagawa
  • Patent number: 8221956
    Abstract: A resist composition for immersion exposure including: a fluorine-containing polymeric compound (F) containing a structural unit (f1) having a base dissociable group and a structural unit (f2) represented by general formula (f2-1) (wherein R represents a hydrogen atom, a lower alkyl group or a halogenated lower alkyl group; and W is a group represented by any one of general formulas (w-1) to (w-4)); a base component (A) that exhibits changed solubility in an alkali developing solution under the action of acid; and an acid generator component (B) that generates acid upon exposure.
    Type: Grant
    Filed: June 18, 2009
    Date of Patent: July 17, 2012
    Assignee: Tokyo Ohka Kogyo Co., Ltd.
    Inventors: Daiju Shiono, Tomoyuki Hirano, Sanae Furuya, Takahiro Dazai, Hiroaki Shimizu, Tsuyoshi Kurosawa, Hideto Nito, Tsuyoshi Nakamura
  • Patent number: 8211616
    Abstract: A positive resist composition including a resin component (A) having a structural unit (a0) represented by general formula (a0-1) (R represents a hydrogen atom, a C1-C5 alkyl group or a C1-C5 halogenated alkyl group; R1 represents a C3 or more branched alkyl group; and each of R2 and R3 independently represents an alkyl group, wherein R2 and R3 may be mutually bonded to form a polycyclic group) and/or general formula (a0-2) (R is the same as defined above; R8 represents a divalent linking group that contains no halogen atom; and R7 represents an acid dissociable, dissolution inhibiting group), and an acid generator (B1) consisting of a compound represented by general formula (b1) (Y1 represents a C1-C4 fluorinated alkylene group which may have a substituent; X represents a C3-C30 aliphatic cyclic group which may have a substituent; and A+ represents an organic cation).
    Type: Grant
    Filed: July 9, 2009
    Date of Patent: July 3, 2012
    Assignee: Tokyo Ohka Kogyo Co., Ltd.
    Inventors: Hiroaki Shimizu, Tsuyoshi Nakamura, Yoshiyuki Utsumi, Keita Ishiduka, Kensuke Matsuzawa, Akiya Kawaue
  • Publication number: 20120164580
    Abstract: A resist composition including a base component which exhibits changed solubility in an alkali developing solution under action of acid and an acid-generator component which generates acid upon exposure, the acid-generator including an acid generator consisting of a compound represented by general formula (b1-1) shown below: In which RX represents a hydrocarbon group which may have a substituent exclusive of a nitrogen atom; each of Q2 and Q3 independently represents a single bond or a divalent linkage group; Y1 represents an alkylene group or fluorinated alkyl group of 1 to 4 carbon atoms; and Z+ represents an organic cation exclusive of an ion represented by general formula (w-1).
    Type: Application
    Filed: March 2, 2012
    Publication date: June 28, 2012
    Applicant: TOKYO OHKA KOGYO CO., LTD.
    Inventors: Hideo Hada, Yoshiyuki Utsumi, Keita Ishiduka, Kensuke Matsuzawa, Fumitake Kaneko, Kyoko Ohshita, Hiroaki Shimizu, Yasuhiro Yoshii
  • Patent number: 8206890
    Abstract: A resist composition including: a base component (A) which exhibits changed solubility in an alkali developing solution under action of acid; and an acid-generator component (B) which generates acid upon exposure, wherein said acid-generator component (B) comprises an acid generator (B1) including a compound represented by general formula (b1-11) shown below: wherein R7? to R9? each independently represent an aryl group or an alkyl group, wherein two of R7? to R9? may be bonded to each other to form a ring with the sulfur atom, and at least one of R7? to R9? represents a substituted aryl group having a group represented by general formula (I) shown below as a substituent; X? represents an anion; and Rf represents a fluorinated alkyl group.
    Type: Grant
    Filed: July 8, 2009
    Date of Patent: June 26, 2012
    Assignee: Tokyo Ohka Kogyo Co., Ltd.
    Inventors: Akiya Kawaue, Yoshiyuki Utsumi, Takehiro Seshimo, Tsuyoshi Nakamura, Naoto Motoike, Hiroaki Shimizu, Kensuke Matsuzawa, Hideo Hada
  • Publication number: 20120151773
    Abstract: A height dimension D1 of a head section 4 is smaller than a front-back dimension D2 of the head section 4. The head section 4 has therein a linear actuator 12 as a drive source. Inner blades 13 are coupled to a drive coupling section protruding form an actuator main section. A height dimension of the actuator main section is smaller than a front-back dimension of the actuator main section.
    Type: Application
    Filed: September 21, 2010
    Publication date: June 21, 2012
    Applicant: PANASONIC CORPORATION
    Inventors: Jyuzaemon Iwasaki, Makoto Fukutani, Hiroaki Shimizu, Toshio Ikuta
  • Publication number: 20120151774
    Abstract: An electric shaver (11) is provided with a grip section (12) and a head (13) which is provided at the upper end of the grip section (12). Five outer blades (20) into which body hair can be introduced are provided at the upper end of the head (13) and arranged side by side in the front-rear direction (X) of the head (13). Each of the outer blades (20) is provided thereinside with an inner blade (30), which can reciprocate in the widthwise direction (Y) of the head (13) and cuts and removes body hair, which is introduced into the outer blade (20), by sandwiching the body hair between the inner blade (30) and the outer blade (20). The outer blades (20) include a slit blade (21) which is located at the center of the outer blades (20) in the front-rear direction (X), and net blades (22-25), a pair of which is provided at each side of the head (13) in the front-rear direction (X) of the head (13) and centered about the slit blade (21).
    Type: Application
    Filed: September 22, 2010
    Publication date: June 21, 2012
    Applicant: Panasonic Corporation
    Inventors: Hiroaki Shimizu, Shunsuke Komori, Jyuzaemon Iwasaki, Toshio Ikuta, Shin Hosokawa
  • Publication number: 20120148956
    Abstract: A resist composition including a base component (A) which exhibits changed solubility in a developing solution under action of acid, a nitrogen-containing organic compound (C) containing a compound (C1) represented by general formula (c1) shown below and an acid-generator component (B) which generates acid upon exposure (excluding the compound (C1)) (R1 represents an alicyclic group of 5 or more carbon atoms which may have a substituent; X represents a divalent linking group; Y represents a linear, branched or cyclic alkylene group or an arylene group; Rf represents a hydrocarbon group containing a fluorine atom; and M+ represents an organic cation).
    Type: Application
    Filed: December 7, 2011
    Publication date: June 14, 2012
    Applicant: TOKYO OHKA KOGYO CO., LTD.
    Inventors: Yoshiyuki UTSUMI, Masaru TAKESHITA, Hiroaki SHIMIZU, Syo ABE, Yoshitaka Komuro
  • Publication number: 20120094236
    Abstract: A resist composition for immersion exposure including: a fluorine-containing polymeric compound (F) containing a structural unit (f1) having a base dissociable group and a structural unit (f2) represented by general formula (f2-1) (wherein R represents a hydrogen atom, a lower alkyl group or a halogenated lower alkyl group; and W is a group represented by any one of general formulas (w-1) to (w-4)); a base component (A) that exhibits changed solubility in an alkali developing solution under the action of acid; and an acid generator component (B) that generates acid upon exposure.
    Type: Application
    Filed: December 23, 2011
    Publication date: April 19, 2012
    Inventors: Daiju SHIONO, Tomoyuki Hirano, Sanae Furuya, Takahiro Dazai, Hiroaki Shimizu, Tsuyoshi Kurosawa, Hideto Nito, Tsuyoshi Nakamura
  • Publication number: 20120074796
    Abstract: A linear oscillatory actuator includes a magnetic pole forming portion that includes an electromagnet and a base, magnetic blocks each of which includes a magnet attracted or repelled by the electromagnet to reciprocate, elastic suspensions for supporting the magnetic blocks, and at least one coupling spring portion that couples the magnetic blocks reciprocatably. Each of the elastic suspension includes upper and lower extending portions, and elastic planar portions integrally provided between the upper extending portions and the lower extending portions, respectively. Depressed portions are formed at continuous portions between the upper extending portions and the elastic planar portions, respectively, and each of the depressed portions is depressed toward the magnetic blocks. While the magnetic blocks reciprocate, Stress concentration on the continuous portions can be mitigated by the depressed portions.
    Type: Application
    Filed: August 25, 2011
    Publication date: March 29, 2012
    Applicant: PANASONIC ELECTRIC WORKS CO., LTD.
    Inventors: Noboru KOBAYASHI, Hiroaki SHIMIZU, Kensaku KANADA
  • Patent number: 8142979
    Abstract: A resist composition for immersion exposure, including a base component (A) that exhibits changed solubility in an alkali developing solution under action of acid, an acid generator component (B) that generates acid upon exposure, and a fluorine-containing compound (C) represented by general formula (c-1) (in formula (c-1), R1 represents an organic group which may contain a polymerizable group; X represents a divalent organic group having an acid dissociable portion; and R2 represents an organic group having a fluorine atom).
    Type: Grant
    Filed: June 10, 2009
    Date of Patent: March 27, 2012
    Assignee: Tokyo Ohka Tokyo Co., Ltd.
    Inventors: Tsuyoshi Kurosawa, Hiroaki Shimizu
  • Patent number: 8145325
    Abstract: A mouth cleaning device includes a head portion provided with bristles and an electrode; and a grip portion provided with an electrode. Further, the mouth cleaning device includes a boosting circuit for boosting an output voltage of a battery serving as a power source and applying the boosted voltage to the electrodes of the head portion and the grip portion; and a current limit circuit for limiting a current flowing from one electrode to the other via a human body.
    Type: Grant
    Filed: October 3, 2007
    Date of Patent: March 27, 2012
    Assignee: Panasonic Electric Works Co., Ltd.
    Inventors: Shinichi Taniguchi, Suehisa Kishimoto, Tomohiro Kunita, Hiroaki Shimizu, Atsushi Takahashi, Masayoshi Nagayama, Yumi Hanato, Wataru Sanematsu, Yukihiro Masuda