517 patents
Page 15 of 26
Utility
Magnetic tape having characterized magnetic layer and magnetic recording and reproducing device
23 Dec 19
Provided are a magnetic tape, in which a magnetic layer includes a ferromagnetic powder, a binding agent, and an oxide abrasive, ΔSFD in a longitudinal direction of the magnetic tape calculated by Expression 1, ΔSFD=SFD25° C.−SFD−190° C., is equal to or smaller than 0.50, a logarithmic decrement acquired by a pendulum viscoelasticity test performed regarding a surface of the magnetic layer is equal to or smaller than 0.050, and an average particle diameter of the oxide abrasive obtained from a secondary ion image obtained by irradiating the surface of the magnetic layer with a focused ion beam is 0.04 μm to 0.08 μm, and a magnetic recording and reproducing device including this magnetic tape.
Norihito Kasada, Eiki Ozawa
Filed: 26 Sep 18
Utility
Magnetic tape having controlled surface properties of the back coating layer and magnetic layer
23 Dec 19
A magnetic tape is provided in which the center line average surface roughness Ra measured regarding the surface of the magnetic layer is less than or equal to 1.8 nm, and the logarithmic decrement acquired by a pendulum viscoelasticity test performed regarding the surface of the magnetic layer is less than or equal to 0.050.
Masahito Oyanagi, Norihito Kasada
Filed: 8 Jun 17
Utility
Magnetic tape device and head tracking servo method
23 Dec 19
The magnetic tape device includes a magnetic tape including a magnetic layer, in which an intensity ratio of a peak intensity of a diffraction peak of a (110) plane with respect to a peak intensity of a diffraction peak of a (114) plane of a hexagonal ferrite crystal structure obtained by an X-ray diffraction analysis of the magnetic layer by using an In-Plane method is 0.5 to 4.0, a vertical direction squareness ratio of the magnetic tape is 0.65 to 1.00, Ra measured regarding a surface of the magnetic layer is equal to or smaller than 2.0 nm, and a C—H derived C concentration calculated from a C—H peak area ratio of C1s spectra obtained by X-ray photoelectron spectroscopic analysis performed on the surface of the magnetic layer at a photoelectron take-off angle of 10 degrees is 45 to 65 atom %.
Norihito Kasada, Eiki Ozawa
Filed: 5 Nov 18
Utility
Shading correction apparatus and method for operating shading correction apparatus
23 Dec 19
A correction plate has the same plane size as a small region obtained by equally dividing an image detection region.
Yasutake Tanaka
Filed: 30 Jan 18
Utility
Imaging optical system, projection display device, and imaging apparatus
16 Dec 19
The imaging optical system consists of, in order from the magnification side, a first optical system and a second optical system.
Kazuki Inoue
Filed: 7 Jun 18
Utility
Polymerizable composition, wavelength conversion member, backlight unit, and liquid crystal display device
16 Dec 19
A polymerizable composition provides a high brightness and suppressed decrease in brightness in an outer peripheral region when used in a wavelength conversion member, a wavelength conversion member, a backlight unit, and a liquid crystal display device.
Naoyoshi Yamada, Natsuru Chikushi
Filed: 25 Jul 17
Utility
Negative type photosensitive resin composition, negative type planographic printing plate precursor, and method of preparing planographic printing plate
16 Dec 19
Yuichi Yasuhara, Atsuyasu Nozaki
Filed: 25 Jan 18
Utility
Touch sensor film and touch panel
16 Dec 19
A touch sensor film preventing moire occurring in accordance with deformation of a support is manufactured by performing roll transportation of an elongated transparent support 1 having a thickness smaller than 80 μm using a plurality of pass rollers 4, 5, and 6; performing annealing treatment with respect to the support 1 at a temperature which is equal to or lower than a temperature obtained by adding 35° C. to a dynamic glass transition temperature of the support 1; and forming a mesh pattern formed of thin metal wires 8a on a surface of the support 1 subjected to the annealing treatment.
Katsuyuki Nukui
Filed: 7 Jul 19
Utility
Information collection system
16 Dec 19
An information collection system includes a plurality of radio tags and a reading device.
Yoshihisa Usami, Takayoshi Yokoyama, Yuki Owashi, Hiroyuki Matsui, Junichi Takeya
Filed: 22 Jul 18
Utility
Magnetic tape device and head tracking servo method
16 Dec 19
The magnetic tape device includes: a magnetic tape; and a servo head, in which a magnetic tape transportation speed of the magnetic tape device is equal to or lower than 18 m/sec, the servo head is a magnetic head including a tunnel magnetoresistance effect type element as a servo pattern reading element, the magnetic tape includes a non-magnetic support, and a magnetic layer including ferromagnetic powder and a binding agent on the non-magnetic support, the magnetic layer includes a servo pattern, and a coefficient of friction measured regarding a base portion of a surface of the magnetic layer is equal to or smaller than 0.30.
Tetsuya Kaneko, Norihito Kasada, Eiki Ozawa
Filed: 25 Dec 18
Utility
Magnetic tape including characterized magnetic layer and magnetic tape device
16 Dec 19
A magnetic tape is provided in which the total thickness is less than or equal to 5.30 μm.
Eiki Ozawa, Tetsuya Kaneko, Norihito Kasada
Filed: 15 Jun 17
Utility
Magnetic tape having characterized magnetic particles and magnetic tape device
16 Dec 19
A magnetic tape includes a non-magnetic support; a non-magnetic layer including non-magnetic powder and a binder on the non-magnetic support; and a magnetic layer including ferromagnetic powder and a binder on the non-magnetic layer.
Tetsuya Kaneko, Norihito Kasada, Eiki Ozawa
Filed: 18 Jun 17
Utility
Magnetic tape including characterized magnetic layer and magnetic tape device
16 Dec 19
A magnetic tape is provided in which the total thickness of a non-magnetic layer and a magnetic layer is equal to or smaller than 0.60 μm.
Eiki Ozawa, Tetsuya Kaneko, Norihito Kasada
Filed: 18 Jun 17
Utility
Composition for forming organic semiconductor film, organic thin film transistor, electronic paper, and display device
16 Dec 19
A composition for forming an organic semiconductor film that is excellent in printing properties makes it possible to prepare an organic thin film transistor excellent in mobility and insulation reliability.
Yasuaki Matsushita
Filed: 16 Aug 17
Utility
Apparatus operation device, apparatus operation method, and electronic apparatus system
16 Dec 19
In an endoscope system according to an embodiment of the present invention, it is not necessary to touch an actual keyboard, mouse, or button to operate an endoscope apparatus, and thus it is not necessary to shift an instrument from one hand to the other hand or peel of/put on gloves in a medical setting.
Yuuki Okabe, Mayuko Ikuta
Filed: 7 Feb 18
Utility
Radiographic imaging device and radiography protection unit
16 Dec 19
A radiographic imaging device comprising an imaging platform that includes an imaging surface on which a breast of a test subject is to be rested; a radiation irradiation section disposed to face the imaging surface and irradiates radiation at the imaging surface; a main radiation protection portion that is disposed at the side of a region between the radiation irradiation section and the imaging surface and that is adapted to protect the test subject from the radiation; and an auxiliary radiation protection portion disposed at a side portion of the main radiation protection portion, and that is movable between a protecting position, at which the auxiliary radiation protection portion is adapted to protect the test subject, and a non-protecting position, at which the auxiliary radiation protection portion is withdrawn from the protecting position.
Yoshihiro Nishi, Kenji Takata
Filed: 17 Jul 14
Utility
Gas separation membrane, gas separation module, gas separation apparatus, and gas separation method
16 Dec 19
Satoshi Sano, Koji Hironaka, Keisuke Kodama
Filed: 16 Aug 17
Utility
Transfer film, transparent laminate, method for producing transfer film, method for producing transparent laminate, capacitive input device, and image display device
16 Dec 19
A transfer film has a temporary support, a first curable transparent resin layer, a second curable transparent resin layer which is disposed adjacent to the first curable transparent resin layer in this order.
Shinichi Kanna, Hideaki Ito
Filed: 25 May 15
Utility
Water dispersion of gel particles, producing method thereof, and image forming method
16 Dec 19
Noriaki Sato, Shota Suzuki
Filed: 16 Aug 17
Utility
Actinic ray-curable-type inkjet ink set for three-dimensional printing, three-dimensional printing method, and three-dimensional printing system
16 Dec 19
An actinic ray-curable-type inkjet ink set for three-dimensional printing and a three-dimensional printing system are provided.
Tsutomu Umebayashi
Filed: 27 Nov 17