Patents by Inventor Hajime Nakayama

Hajime Nakayama 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: 20080254237
    Abstract: A polymer film that has an in-plane retardation Re(?) and a thickness-direction retardation Rth(?) satisfying formula (i) and (ii), and that further has a surface energy of at least one surface is from 50 mN/m to 80 mN/m: (i) 0?Re(630)?10, and |Rth(630)|?25; and (ii) |Re(400)?Re(700)?10, and |Rth(400)?Rth(700)|?35. in the formulae, Re(?) and Rth(?) are measurement values at the wavelength of ? nm, and an optically-compensatory film, an optical material such as a polarizer and a liquid-crystal display device using the polymer film.
    Type: Application
    Filed: August 5, 2005
    Publication date: October 16, 2008
    Applicant: FUJIFILM Corporation
    Inventors: Tadashi Omatsu, Hajime Nakayama, Akihiro Matsufuji, Osamu Takahashi, Shigeaki Nimura, Yousuke Nishiura, Takako Nishiura
  • Publication number: 20080204644
    Abstract: A liquid crystal display device comprising first and second polarizing elements of which transmission axes are perpendicular to each other, and, disposed between the polarizing elements, a liquid crystal layer vertically aligned in a black state, and first and second optically anisotropic layer is disclosed. In the liquid crystal display device, the first optically anisotropic layer is a biaxial optically anisotropic layer of which in-plane retardation (Re) and thickness-direction retardation (Rth) are larger at a longer wavelength range within a range of from 400 nm to 700 nm, and the second optically anisotropic layer satisfies 0 nm<|Re(550)|<10 nm and |Rth(550)|/|Re(550)|>10 in which Re(550) is in-plane retardation (Re) at a wavelength of 550 nm and Rth(550) is thickness-direction retardation at the same wavelength.
    Type: Application
    Filed: December 20, 2007
    Publication date: August 28, 2008
    Applicant: FUJIFILM Corporation
    Inventors: Hirofumi Toyama, Kotaro Yasuda, Hajime Nakayama, Nobutaka Fukagawa, Keiichi Taguchi
  • Publication number: 20080198316
    Abstract: A liquid crystal display comprising a first polarization film, a first retardation region, a second retardation region, a liquid crystal layer, a liquid crystal cell, and a second polarization film disposed in this order, liquid crystal molecules of the liquid crystal layer being aligned in parallel with surfaces of the substrates at the time of dark state, wherein Re of the first retardation region is 70 nm to 330 nm, Nz value of the first retardation region is greater than 0 and less than 0.
    Type: Application
    Filed: December 22, 2005
    Publication date: August 21, 2008
    Applicant: FUJIFILM Corporation
    Inventors: Mitsuyoshi Ichihashi, Hajime Nakayama
  • Publication number: 20080192192
    Abstract: A novel biaxial optical film of which in-plane retardation (Re) and thickness-direction retardation (Rth) are larger at a longer wavelength range within a range of from 400 nm to 700 nm, wherein the in-plane retardation thereof at a wavelength of 550 nm, Re(550), satisfies Re(550)>20 nm and the Nz value thereof (Nz=Rth(550)/Re(550)+0.5) satisfies 1.1?Nz?5, is disclosed. And a polarizing plate comprising the optical film is also disclosed.
    Type: Application
    Filed: December 20, 2007
    Publication date: August 14, 2008
    Applicant: FUJIFILM Corporation
    Inventors: Hirofumi Toyama, Kotaro Yasuda, Hajime Nakayama, Nobutaka Fukagawa, Akira Ikeda
  • Publication number: 20080174724
    Abstract: A liquid-crystal display device comprising at least a liquid-crystal cell, a first optically anisotropic layer and a second optically anisotropic layer is disclosed. The first optically anisotropic layer satisfies the following formula (a1), the second optically anisotropic layer has at least one optical axis, and at least one of the first and second optically anisotropic layers is formed according to a coating or transferring method. 10<Rth(548)/Re(548) ??(a1) [wherein Rth (?) means the retardation (nm) in the thickness direction at a wavelength ? (nm].
    Type: Application
    Filed: January 11, 2008
    Publication date: July 24, 2008
    Applicant: FUJIFILM Corporation
    Inventors: Hajime Nakayama, Nobutaka Fukagawa
  • Publication number: 20080158490
    Abstract: An optical film satisfies the following formulae (1) to (6): 150?Re(550)?400 ??(1) ?100?Rth(550)?100 ??(2) 0.1<Re(450)/Re(550)<0.95 ??(3) 1.03<Re(650)/Re(550)<1.93 ??(4) 0.4<(Re(450)/Rth(450))/(Re(550)/Rth(550))<0.95 ??(5) 1.05<(Re(650)/Rth(650))/(Re(550)/Rth(550))<1.90, ??(6) wherein Re(450), Re(550) and Re(650) are an in-plane retardation value (unit: nm) measured with light at a wavelength of 450 nm, 550 nm and 650 nm, respectively, and Rth(450), Rth(550) and Rth(650) are a retardation value in a thickness-direction (unit: nm) measured with light at a wavelength of 450 nm, 550 nm and 650 nm, respectively.
    Type: Application
    Filed: June 18, 2007
    Publication date: July 3, 2008
    Applicant: FUJIFILM Corporaton
    Inventors: Hajime Nakayama, Yoji Ito
  • Publication number: 20080158488
    Abstract: A liquid crystal display device comprising at least a liquid crystal cell, and a polarizing plate (a first polarizing plate) disposed on at least one side of the outsides of the liquid crystal cell, wherein the liquid crystal cell comprises a pair of substrates which face each other, an electrode disposed on at least one of the pair of substrates, a liquid crystal layer sandwiched between the pair of substrates, and at least three pixel regions, a color filter showing wavelength selectivity in transmissivity is disposed on each of the at least three pixel regions is disclosed.
    Type: Application
    Filed: December 20, 2007
    Publication date: July 3, 2008
    Applicant: FUJIFILM Corporation
    Inventors: Yuujirou Yanai, Hirofumi Toyama, Hajime Nakayama
  • Publication number: 20080137014
    Abstract: A novel liquid crystal display device is disclosed. The device comprises a first polarizing element and a second polarizing element which are disposed with their transmission axes perpendicular to each other, a liquid crystal layer disposed between the first and the second polarizing elements, and a first optically anisotropic layer disposed between the first or the second polarizing element and the liquid crystal layer, showing a positive in-plane retardation (Re) at ?1 and a negative Re at ?2, both of ?1 and ?2 (?1??2) are within a visible wavelength range, and its absolute value of a thickness-direction retardation at 550 nm, |Rth(550)|, is equal to or more than 50 nm.
    Type: Application
    Filed: October 31, 2007
    Publication date: June 12, 2008
    Applicant: FUJIFILM Corporation
    Inventors: Hirofumi Toyama, Hajime Nakayama
  • Publication number: 20080049323
    Abstract: An optical film includes at least one kind of humidity dependency improver that improves ?Re, wherein the optical film has a ratio of Re/Rth which is larger as a wavelength is longer in the visible wavelength region; and Re which is larger as a wavelength is longer in the visible wavelength region, wherein Re represents an in-plane retardation (unit: nm) of the optical film; Rth represents a retardation (unit: nm) in a thickness direction of the optical film; and ?Re represents a humidity dependency of Re defined by the following formula (1): ?Re=|Re(550)10%RH?Re(550)80%RH|,: ??Formula (1) wherein Re(550)10%RH represents Re at a wavelength of 550 nm, at a temperature of 25° C. and at a relative humidity of 10%; and Re(550)80%RH represents Re at a wavelength of 550 nm, at a temperature of 25° C. and at a relative humidity of 80%.
    Type: Application
    Filed: July 26, 2007
    Publication date: February 28, 2008
    Applicant: FUJIFILM Corporation
    Inventors: Susumu Sugiyama, Kunihiro Atsumi, Hajime Nakayama
  • Publication number: 20070292635
    Abstract: All optical compensation polarizing plate comprising: a first transparent protective film; a polarizer; a second transparent protective film; and an optical compensation layer in this order, wherein at least one of the first and second transparent protective films is a cellulose acylate film having a retardation value in plane Re (nm) and a retardation value in film thickness direction Rth (nm) which fulfill the following formulae (I) and (II), and Nz and Re1 defined by the following formulae (III) and (IV), of the optical compensation layer fulfill the following formulae (V) and (VI): (I) |Re|?10, (II) |Rth|?25, (III) Nz=(nx1?nz1)/(nx1?ny1), (IV) Re1=(nx1?ny1)×d1, (V) 0.4?Nz?0.
    Type: Application
    Filed: May 17, 2005
    Publication date: December 20, 2007
    Applicant: FUJIFILM Corporation
    Inventors: Yousuke Nishiura, Takako Nishiura, Hajime Nakayama, Tadashi Ito
  • Publication number: 20070292680
    Abstract: An optical film having a value of 1.6 or more, wherein the value is obtained by dividing a larger value by a smaller value of the maximum X-ray diffraction intensity within a range 2?=10 to 40° in a longitudinal direction of the film and the maximum X-ray diffraction intensity within a range 2?=10 to 40° in a direction approximately vertical to the longitudinal direction of the film, and an optical film having a value of 1.3 or more, wherein the value is obtained by dividing a larger value by a smaller value of a tensile elastic modulus in a longitudinal direction of the film and a tensile elastic modulus in a direction approximately vertical to the longitudinal direction of the film.
    Type: Application
    Filed: June 12, 2007
    Publication date: December 20, 2007
    Applicant: FUJIFILM CORPORATION
    Inventors: Hajime Nakayama, Susumu Sugiyama
  • Publication number: 20070285603
    Abstract: A novel transparent film is disclosed. Re (?) and Rth (?) of the film defined by the following formulae (I) and (II) satisfy the following formulae (III) and (IV): Re (?)=(nx?ny)×d,??(I) Rth (?)={(nx+ny)/2?nz}×d,??(II) 0?|Re(630)|?50,??(III) Rth (400)×Rth (700)?0, and 0<|Rth (700)?Rth (400)|?150,??(IV) wherein Re (?) means an in-plane retardation value at a wavelength ? nm (unit: nm); Rth (?) means a thickness-direction retardation value at a wavelength ? nm (unit: nm); nx means a refractive index in the in-plane slow-axis direction; ny means a refractive index in the in-plane fast-axis direction; nz means a refractive index in the film thickness direction; and d means a thickness of the film.
    Type: Application
    Filed: March 24, 2005
    Publication date: December 13, 2007
    Applicant: Fuji Photo Film Co., Ltd.
    Inventors: Hajime Nakayama, Yukito Saitoh
  • Publication number: 20070190268
    Abstract: An optical film is provided and contains at least one of a polycarbonate copolymer and a blend containing the polycarbonate copolymer. The polycarbonate copolymer contains specific repeating units. The optical film satisfies the following formulae (1) to (4). 0.1<Re(450)/Re(50)<0.95??(1) 1.03<Re(650)/Re(550)<1.93??(2) 0.4<(Re(450)/Rth(450))/(Re(550)/Rth(550))<0.95??(3) 1.05<(Re(650)/Rth(650))/(Re(550)/Rth(550))<1.
    Type: Application
    Filed: August 16, 2006
    Publication date: August 16, 2007
    Applicant: Fuji Photo Film Co., Ltd.
    Inventors: Hajime Nakayama, Yusuke Ohashi
  • Publication number: 20070132925
    Abstract: An optical compensation film having: a retardation value Re in a film plane of the optical compensation film; and a retardation value Rth in a thickness direction of the optical compensation film, the retardation value Re and Rth being reduced by an elongation, satisfying the formulae (1) and (2) without the elongation, and satisfying the formulae (3) to (6) after the elongation: Re=0 to 30 nm??(1) Rth=?50 to 50 nm??(2) Re(n)=?500 to 0 nm??(3) Rth(n)=?800 to 0 nm??(4) Re(n)?Re(0)<0??(5) Rth(n)?Rth(0)<0??(6)
    Type: Application
    Filed: November 30, 2006
    Publication date: June 14, 2007
    Applicant: FUJIFILM Corporation
    Inventor: Hajime Nakayama
  • Publication number: 20070076155
    Abstract: An optical film is provided and has retardations satisfying relations (1) to (3): 0?Re(550)?10; ??(1) ?25?Rth(550)?25; and ??(2) |I|+|II|+|III|+|IV|>0.5 (nm), ??(3) with definitions: I=Re(450)?Re(550); II=Re(650)?Re(550); III=Rth(450)?Rth(550); and IV=Rth(650)?Rth(550), wherein Re(450), Re(550) and Re(650) are in-plane retardations measured with lights of wavelength of 450, 550 and 650 nm, respectively; and Rth(450), Rth(550) and Rth(650) are retardations in a thickness direction of the optical film, which are measured with lights of wavelength of 450, 550 and 650 nm, respectively.
    Type: Application
    Filed: September 6, 2006
    Publication date: April 5, 2007
    Applicant: FUJI PHOTO FILM CO., LTD.
    Inventors: Hajime Nakayama, Hirofumi Toyama, Yuta Takahashi
  • Patent number: 6737709
    Abstract: A semiconductor device suppressing the lateral diffusion of impurities doped in a PMOS and NMOS and shortening the distance between the PMOS and NMOS to reduce the size of the semiconductor device, including PMOS and NMOS formation regions isolated by an element isolation region; a p-type gate electrode arranged on the PMOS formation region; an n-type gate electrode arranged on the NMOS formation region; and first and second impurity storage regions arranged in a direction different from that of the arrangement of the p-type and n-type gate electrodes. An end of the first impurity storage region is connected to the p-type gate electrode, an end of the second impurity storage region is connected to the n-type gate electrode, and the other ends of the first and second impurity storage regions are electrically connected.
    Type: Grant
    Filed: December 14, 1998
    Date of Patent: May 18, 2004
    Assignee: Sony Corporation
    Inventor: Hajime Nakayama
  • Patent number: 6624063
    Abstract: A semiconductor device including a semiconductor substrate, an insulating layer formed on the substrate, a dielectric organic layer formed on the insulating layer and having a dielectric constant of not more than 3.0, and an interconnection layer in contact with the insulating layer in the dielectric organic layer, wherein the upper surface of the interconnection layer is formed higher than the upper surface of the dielectric organic layer, and a method of manufacture thereof.
    Type: Grant
    Filed: December 27, 2001
    Date of Patent: September 23, 2003
    Assignee: Sony Corporation
    Inventors: Toshiaki Hasegawa, Hajime Nakayama
  • Publication number: 20030154814
    Abstract: Disclosed is a rotatable-and-swingable type of rotary joint device according to the present invention comprises at least an input shaft rotatably fixed to the casing of the device, a precession spherical body responsive to the rotation of the input shaft for rotating and swinging, and an output shaft operatively connected to the precession spherical body for rotating. This arrangement permits the crossing of the input and output shafts to change freely within certain angular limits, thereby substantially increasing the versatility of designing, and contributing to the down-sizing of the drive transmission.
    Type: Application
    Filed: February 19, 2003
    Publication date: August 21, 2003
    Inventors: Rinzo Irie, Ryoji Kase, Hajime Nakayama, Minoru Suzuki, Hidetsugu Terada
  • Patent number: 6568073
    Abstract: The present invention provides a process for the fabrication of a wiring board, which comprises the following steps: (a) forming a first wiring pattern on a first side of a self-supporting carrier metal foil so as to obtain a self-supporting wiring sheet comprising the carrier metal foil and the first wiring pattern; (b) superposing and pressing the first side of said self-supporting wiring sheet on and against an insulating substrate so that the first wiring pattern is_embedded in the insulating substrate and constitutes a surface with the insulating substrate; and (c) etching off desired portions of said carrier metal foil to form a second wiring pattern made of said carrier metal foil remaining on the surface constituted by the insulating substrate and the first wiring pattern. The present invention also provides the wiring board for electrical tests so fabricated.
    Type: Grant
    Filed: March 6, 1998
    Date of Patent: May 27, 2003
    Assignee: Hitachi Chemical Company, Ltd.
    Inventors: Naoki Fukutomi, Hidehiro Nakamura, Hajime Nakayama, Yoshiaki Tsubomatsu, Masanori Nakamura, Kouichi Kaitou, Atsushi Kuwano, Itsuo Watanabe, Masahiko Itabashi
  • Patent number: 6452274
    Abstract: A semiconductor device including a semiconductor substrate, an insulating layer formed on the substrate, a dielectric organic layer formed on the insulating layer and having a dielectric constant of not more than 3.0, and an interconnection layer in contact with the insulating layer in the dielectric organic layer, wherein the upper surface of the interconnection layer is formed higher than the upper surface of the dielectric organic layer, and a method of manufacture thereof.
    Type: Grant
    Filed: November 16, 1998
    Date of Patent: September 17, 2002
    Assignee: Sony Corporation
    Inventors: Toshiaki Hasegawa, Hajime Nakayama