Patents by Inventor Mitsuru Sakai
Mitsuru Sakai 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).
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Publication number: 20160250925Abstract: There is provided a renderer 5 that renders a graphics indicator 7b (or 7f) which is displayed on a display screen 7a of a display 7 and which indicates an indication value in synchronization with a short hand 8a.Type: ApplicationFiled: November 15, 2013Publication date: September 1, 2016Applicant: MITSUBISHI ELECTRIC CORPORATIONInventors: Yasuaki TAKIMOTO, Masami AIKAWA, Takehisa MIZUGUCHI, Yoshihiko MORI, Takeshi MITSUI, Masakazu OKUDA, Mitsuru SAKAI, Masahiro KOSAKADA, Satoshi OKAMOTO
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Publication number: 20150258219Abstract: A vesicle comprising fine metal particles, which has a membrane formed from both a first polymer of (a) or (b) shown below and a second polymer of (c) or (d) shown below (with the proviso that a combination of (b) and (d) is excepted), wherein partial crosslinking occurs between a cationic segment and an anionic segment in the above polymers: First polymer: (a) a block copolymer (I) having both an electrically non-charged hydrophilic segment and a cationic segment (b) an amino acid polymer (I) having a cationic segment Second polymer: (c) a block copolymer (II) having both an electrically non-charged hydrophilic segment and an anionic segment (d) an amino acid polymer (II) having an anionic segment.Type: ApplicationFiled: October 11, 2013Publication date: September 17, 2015Applicants: THE UNIVERSITY OF TOKYO, TEIJIN LIMITEDInventors: Kazunori Kataoka, Akihiro Kishimura, Yasutaka Anraku, Mitsuru Sakai, Hideo Ota, Shiro Kondo, Miho Momose
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Patent number: 9086531Abstract: The plastic polarized lens (10) of the present invention contains a polarized film (12) and layers (resin layers) (14a and 14b) comprising a thiourethane-based resin stacked over both surfaces of the polarized film (12), and the polarized film contains an organic coloring compound represented by the following general formula (1).Type: GrantFiled: August 10, 2011Date of Patent: July 21, 2015Assignee: MITSUI CHEMICALS, INC.Inventors: Akinori Ryu, Seiichi Kobayashi, Hiroyuki Kamio, Yoshiharu Kobayashi, Mitsuru Sakai, Yoshimitsu Aiiso
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Patent number: 9051437Abstract: The purpose of the present invention is to provide an electrostatically bonded vesicle which bears disulfide bonds or thiol groups. The present invention relates to a vesicle having a membrane which is formed from both a first polymer of (a) or (b) and a second polymer of (c) or (d) (with the proviso that a combination of (b) and (d) is excepted) and in which the cationic segment and anionic segment of the polymers are partially crosslinked. First polymer: (a) a block copolymer (I) having both an electrically non-charged hydrophilic segment and a cationic segment, (b) an amino acid polymer (I) having a cationic segment. Second polymer: (c) a block copolymer (II) having both an electrically non-charged hydrophilic segment and an anionic segment, (d) an amino acid polymer (II) having an anionic segment.Type: GrantFiled: July 27, 2011Date of Patent: June 9, 2015Assignees: THE UNIVERSITY OF TOKYO, TEIJIN LIMITEDInventors: Akihiro Kishimura, Kazunori Kataoka, Stephanie Lee, Yasutaka Anraku, Aya Koide, Mitsuru Sakai, QiuMing Yu
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Publication number: 20150115240Abstract: Provided is a practically useful organic electroluminescent device (organic EL device) having high efficiency and high driving stability while being capable of being driven at a low voltage. The organic electroluminescent device includes a light-emitting layer between an anode and a cathode opposite to each other. The light-emitting layer contains two host materials and at least one light-emitting dopant. One of the two host materials is a host material selected from an indolocarbazole compound having one indolocarbazole ring and an indolocarbazole compound having two indolocarbazole rings, and the other thereof is a host material selected from carbazole compounds.Type: ApplicationFiled: March 25, 2013Publication date: April 30, 2015Inventors: Takayuki Fukumatsu, Katsuhide Noguchi, Masashi Tada, Mitsuru Sakai, Tohru Asari, Kazuto Shiraishi, Takahiro Kai, Yasuhiro Takahashi, Yuhki Terao, Taishi Tsuji, Yusuke Nakajima, Toshinao Yuki
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Patent number: 8728910Abstract: To provide an olefinic expandable substrate and a dicing film that exhibits less contamination characteristics, high expandability without necking, which cannot be achieved by conventional olefinic expandable substrates. In order to achieve the object, an expandable film comprises a 1-butene-?-olefin copolymer (A) having a tensile modulus at 23° C. of 100 to 500 MPa and a propylenic elastomer composition (B) comprising a propylene-?-olefin copolymer (b1) and having a tensile modulus at 23° C. of 10 to 50 MPa, wherein the amount of the component (B) is 30 to 70 weight parts relative to 100 weight parts in total of components (A) and (B).Type: GrantFiled: September 28, 2011Date of Patent: May 20, 2014Assignee: Mitsui Chemicals, Inc.Inventors: Eiji Hayashishita, Katsutoshi Ozaki, Mitsuru Sakai, Setsuko Oike
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Publication number: 20140084279Abstract: Provided are a polymer for an organic electroluminescent element, which has improved luminous efficiency and is applicable to a wet process, and an organic electroluminescent element obtained therefrom. The polymer for an organic electroluminescent element has a repeating unit represented by [—(Z)1-(A)m-]n in repeating units constituting a main chain. In addition, the organic electroluminescent element includes, between an anode and a cathode laminated on a substrate, organic layers including a hole-transporting layer and a light-emitting layer, in which at least one of the organic layers contains the polymer for an organic electroluminescent element. In the repeating unit, Z represents an N-indolocarbazolyl group, A represents a repeating unit different from Z, l and m each represent an abundance molar ratio, and l is 5 to 100 mol % and m is 0 to 95 mol %, and n is 2 to 10,000.Type: ApplicationFiled: June 18, 2012Publication date: March 27, 2014Applicant: NIPPON STEEL & SUMIKIN CHEMICAL CO., LTDInventors: Hiroshige Tanaka, Tohru Asari, Kazuto Shiraishi, Mitsuru Sakai, Masashi Niina, Kazuaki Yoshimura
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Publication number: 20140001458Abstract: Provided are a nitrogen-containing aromatic compound useful for an organic electroluminescent device, and an organic electroluminescent device (organic EL device) that improves luminous efficiency of the device and sufficiently ensures driving stability of the device. The nitrogen-containing aromatic heterocyclic compound is represented by the following formula (1). The organic EL device includes an organic layer that contains the nitrogen-containing aromatic heterocyclic compound between an anode and a cathode laminated on a substrate. In the formula (1), a ring A represents an aromatic ring represented by the formula (1a) and fused with two adjacent rings, a ring B represents a heterocycle represented by the formula (1b) and fused with two adjacent rings, Y's each represent C—R or N, X's each represent N—Z, O, S, or Se, R represents hydrogen, an alkyl group, an aromatic group, or the like, and Z represents an alkyl group, an aromatic group, or the like.Type: ApplicationFiled: February 9, 2012Publication date: January 2, 2014Inventors: Takaya Ishiyama, Hiroyuki Hayashida, Mitsuru Sakai, Masashi Niina, Kazuto Shiraishi, Kazuaki Yoshimura
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Patent number: 8476740Abstract: To provide a semiconductor wafer surface protection sheet having good adhesion to irregularities on a patterned surface of a semiconductor wafer and having good peelability after wafer grinding. Specifically, a semiconductor wafer surface protection sheet is provided that includes a base layer having a tensile elasticity at 25° C., E(25), of 1 GPa or more; a resin layer A that satisfies the condition EA(60)/EA(25)<0.1, where EA(25) is a tensile elasticity at 25° C. and EA(60) is a tensile elasticity at 60° C., the EA(60) ranging from 0.005 MPa to 1 MPa; and a resin layer B having a tensile elasticity at 60° C., EB(60), of 1 MPa or more and having a thickness of 0.1 ?m to less than 100 ?m, the EB(60) being larger than the EA(60) of the resin layer A.Type: GrantFiled: May 31, 2011Date of Patent: July 2, 2013Assignee: Mitsui Chemicals Tohcello, Inc.Inventors: Eiji Hayashishita, Yoshihisa Saimoto, Makoto Kataoka, Katsutoshi Ozaki, Mitsuru Sakai
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Publication number: 20130155507Abstract: The plastic polarized lens (10) of the present invention contains a polarized film (12) and layers (resin layers) (14a and 14b) comprising a thiourethane-based resin stacked over both surfaces of the polarized film (12), and the polarized film contains an organic coloring compound represented by the following general formula (1).Type: ApplicationFiled: August 10, 2011Publication date: June 20, 2013Applicant: Mitsui Chemicals, Inc.Inventors: Akinori Ryu, Seiichi Kobayashi, Hiroyuki Kamio, Yoshiharu Kobayashi, Mitsuru Sakai, Yoshimitsu Aiiso
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Publication number: 20130122103Abstract: The purpose of the present invention is to provide an electrostatically bonded vesicle which bears disulfide bonds or thiol groups. The present invention relates to a vesicle having a membrane which is formed from both a first polymer of (a) or (b) and a second polymer of (c) or (d) (with the proviso that a combination of (b) and (d) is excepted) and in which the cationic segment and anionic segment of the polymers are partially crosslinked. First polymer: (a) a block copolymer (I) having both an electrically non-charged hydrophilic segment and a cationic segment, (b) an amino acid polymer (I) having a cationic segment. Second polymer: (c) a block copolymer (II) having both an electrically non-charged hydrophilic segment and an anionic segment, (d) an amino acid polymer (II) having an anionic segment.Type: ApplicationFiled: July 27, 2011Publication date: May 16, 2013Applicants: TEIJIN LIMITED, THE UNIVERSITY OF TOKYOInventors: Akihiro Kishimura, Kazunori Kataoka, Stephanie Lee, Yasutaka Anraku, Aya Koide, Mitsuru Sakai, QiuMing Yu
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Publication number: 20120309170Abstract: To provide an olefinic expandable substrate and a dicing film that exhibits less contamination characteristics, high expandability without necking, which cannot be achieved by conventional olefinic expandable substrates. In order to achieve the object, an expandable film comprises a 1-butene-?-olefin copolymer (A) having a tensile modulus at 23° C. of 100 to 500 MPa and a propylenic elastomer composition (B) comprising a propylene-?-olefin copolymer (b1) and having a tensile modulus at 23° C. of 10 to 50 MPa, wherein the amount of the component (B) is 30 to 70 weight parts relative to 100 weight parts in total of components (A) and (B).Type: ApplicationFiled: September 28, 2011Publication date: December 6, 2012Applicant: Mitsui Chemicals, Inc.Inventors: Eiji Hayashishita, Katsutoshi Ozaki, Mitsuru Sakai, Setsuko Oike
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Publication number: 20120273975Abstract: To provide a semiconductor wafer surface protection sheet having good adhesion to irregularities on a patterned surface of a semiconductor wafer and having good peelability after wafer grinding. Specifically, a semiconductor wafer surface protection sheet is provided that includes a base layer having a tensile elasticity at 25 C°, E(25), of 1 GPa or more; a resin layer A that satisfies the condition EA(60)/EA(25) <0.1, where EA(25) is a tensile elasticity at 2 C° and EA(60) is a tensile elasticity at 60° C., the EA(60) ranging from 0.005 MPa to 1 MPa; and a resin layer B having a tensile elasticity at 60° C., EB(60), of 1 MPa or more and having a thickness of 0.1 ?m to less than 100 ?m, the EB(60) being larger than the EA(60) of the resin layer A.Type: ApplicationFiled: May 31, 2011Publication date: November 1, 2012Applicant: Mitsui Chemcials Tohcello Inc.Inventors: Eiji Hayashishita, Yoshihisa Saimoto, Makoto Kataoka, Katsutoshi Ozaki, Mitsuru Sakai
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Publication number: 20120123726Abstract: The time required for timing training is reduced by a test apparatus having an expected value comparing section judging whether a value resulting from sampling input/output data using a strobe signal matches a pre-set expected value a pre-set number of times, and a test section adjusting a phase of a test signal to be supplied to the device under test based on the first relative phase changing from a fail state to a pass state and the second relative phase changing from the pass state to the fail state, and testing the device under test using the test signal whose phase has been adjusted, where the fail state being in which at least one of the pre-set number of judgment results indicates mismatch, and the pass state being in which all the pre-set number of judgment results indicate match.Type: ApplicationFiled: April 12, 2011Publication date: May 17, 2012Applicant: ADVANTEST CORPORATIONInventor: Mitsuru SAKAI
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Patent number: 8111596Abstract: A phase error detection apparatus capable of performing offset correction of a tracking error signal accurately even when there is a defect or a non-recorded position on an optical disc. There are provided a phase difference detection circuit (107) which receives two sequences of digital signals, performs phase comparison using a distance between zerocross points of the two sequences of digital signals, and outputs a phase comparison result PCR and a phase comparison completion signal PCC, and an offset control circuit (11) which outputs an offset correction amount for each phase comparison completion signal PCC from the phase difference detection circuit (107), and the offset correction amount ?? is added to the phase comparison result PCR to avoid offset correction in a position where phase comparison is not carried out.Type: GrantFiled: May 30, 2006Date of Patent: February 7, 2012Assignee: Panasonic CorporationInventors: Mitsuru Sakai, Yoshihiro Kanda, Takashige Hiratsuka
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Patent number: 8000213Abstract: There is provided an optical disc recording/reproducing apparatus which can reduce the chip size using the high-miniaturization process and can enhance the detection accuracy. A signal which is obtained by amplitude-adjusting a header region in a reproduced signal detected by an optical pickup (1) is digitized, and peak detection or bottom detection from the reproduced signal in each of a first section and a second section in the header region is performed by detection circuits (9) to (12), respectively. Then, amplitude data in the first section and the second section are obtained by subtracters (13) and (14) from the detected values in the respective detection circuits. A difference in amplitude between the first section and the second section in the header region is obtained by a subtracter (15) based on the amplitude data, and the amplitude difference is outputted as an off-track error signal.Type: GrantFiled: June 27, 2008Date of Patent: August 16, 2011Assignee: Panasonic CorporationInventors: Dai Ichiryu, Mitsuru Sakai
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Publication number: 20100195467Abstract: There is provided an optical disc recording/reproducing apparatus which can reduce the chip size using the high-miniaturization process and can enhance the detection accuracy. A signal which is obtained by amplitude-adjusting a header region in a reproduced signal detected by an optical pickup (1) is digitized, and peak detection or bottom detection from the reproduced signal in each of a first section and a second section in the header region is performed by detection circuits (9) to (12), respectively. Then, amplitude data in the first section and the second section are obtained by subtracters (13) and (14) from the detected values in the respective detection circuits. A difference in amplitude between the first section and the second section in the header region is obtained by a subtracter (15) based on the amplitude data, and the amplitude difference is outputted as an off-track error signal.Type: ApplicationFiled: June 27, 2008Publication date: August 5, 2010Applicant: PANASONIC CORPORATIONInventors: Dai Ichiryu, Mitsuru Sakai
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Publication number: 20100195464Abstract: A first comparator (112a) compares a first voltage signal to a predetermined threshold to output a first binary signal corresponding to a comparison result. A second comparator (112b) compares a second voltage signal to a predetermined threshold to output a second binary signal corresponding to a comparison result. A first digital sampling section (113a) samples the first binary signal output by the first comparator 112a to generate a first sampling signal. A second digital sampling section (113b) samples the second binary signal output by the second comparator (112b) to generate a second sampling signal. A phase difference detector circuit (114) detects a phase difference between the first sampling signal generated by the first digital sampling section (113a) and the second sampling signal generated by the second digital sampling section (113b).Type: ApplicationFiled: July 2, 2008Publication date: August 5, 2010Applicant: PANASONIC CORPORATIONInventors: Tsuyoshi Katayama, Takeharu Yamamoto, Mitsuru Sakai
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Publication number: 20090185468Abstract: A phase error detection apparatus capable of performing offset correction of a tracking error signal accurately even when there is a defect or a non-recorded position on an optical disc. There are provided a phase difference detection circuit (107) which receives two sequences of digital signals, performs phase comparison using a distance between zerocross points of the two sequences of digital signals, and outputs a phase comparison result PCR and a phase comparison completion signal PCC, and an offset control circuit (11) which outputs an offset correction amount for each phase comparison completion signal PCC from the phase difference detection circuit (107), and the offset correction amount ?? is added to the phase comparison result PCR to avoid offset correction in a position where phase comparison is not carried out.Type: ApplicationFiled: May 30, 2006Publication date: July 23, 2009Inventors: Mitsuru Sakai, Yoshihiro Kanda, Takashige Hiratsuka
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Publication number: 20070073064Abstract: There is provided an industrial production method of an aminopyrrolidine derivative having chemokine receptor antagonist activity represented by the following formula, a synthetic intermediate thereof and a production method thereof: wherein R11 is H, C1-C6 alkyl or C2-C7 alkanoyl; R12, R14, R15, R16 and R17 are H, halogen, optionally halogenated C1-C6 alkyl, optionally halogenated C1-C6 alkoxy, hydroxyl or C2-C7 alkoxycarbonyl; R23, R24, R25 and R26 are H, halogen, optionally halogenated C1-C6 alkyl, optionally halogenated C1-C6 alkoxy or hydroxyl; and R3 is H or C1-C6 alkyl.Type: ApplicationFiled: October 7, 2004Publication date: March 29, 2007Applicant: TEIJIN PHARMA LIMITEDInventors: Takumi Takeyasu, Yoshinori Sato, Minoru Imai, Mitsuru Sakai, Kenji Manabe, Yoshiyuki Matsumoto, Susumu Takeuchi, Asahi Kawana, Masahiro Koga, Mitsuharu Asahita