Patents by Inventor Shigeo Yasuda
Shigeo Yasuda 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: 20240052103Abstract: A polymer having a high refractive index and providing a molded product that has excellent solvent resistance; a triazine compound; a method for producing the triazine compound; a method for producing the polymer using the triazine compound; a non-photosensitive liquid composition including the polymer; a method for producing a molded product using the composition; a molded product of the composition; a film formed from the molded product; a microlens formed from the molded product; and an optical element including the microlens. A polymer including a unit having a specific structure in which an aromatic group having a hydroxy group protected with a tert-butoxycarbonyloxy group, a tert-butoxycarbonylamino group, or an acetal protecting group is linked to a triazine ring through a specific linking group.Type: ApplicationFiled: July 20, 2023Publication date: February 15, 2024Inventors: Takahiro Shimizu, Shigeo Yasuda, Shingo Isobe
-
Patent number: 6029501Abstract: A vibration gas density meter provided with a cylindrical resonator, a cylinder block that incorporates the above cylindrical resonator concentrically and has one end of the cylindrical resonator fixed to itself, and a case which concentrically incorporates the above cylinder block and supports both ends of the cylinder block, further comprising first and second elastic elements which are provided between both end faces of the cylinder block and the case respectively, and through which the cylinder block is supported by the case in the direction of cylindrical axis, sealing the gaps between the cylinder block and the case as well, and third and fourth elastic elements which are provided between both parts of the outer cylindrical surface on both end face sides of the above cylinder block and the case respectively and through which the cylinder block is supported by the case in the radial direction, sealing the gaps between the cylinder block and the case as well.Type: GrantFiled: December 15, 1998Date of Patent: February 29, 2000Assignee: Yokogawa Electric CorporationInventors: Hiroshi Nishino, Junichi Suzuki, Shigeo Yasuda, Mitsuhiko Sasaki, Ryuichi Kawamura
-
Patent number: 5864143Abstract: An ion implantation apparatus and process for ion implantation which eliminates the deterioration of device characteristics in the ion implantation process to a trench capacitor of a DRAM and increases the beam current without deteriorating the device characteristics.A high current ion implanter includes an implantation chamber, and arranged in the following order: a bias plate, a secondary electron implantation cylinder and an extension cylinder. The extension cylinder is adjacent to the implantation chamber, held to ground potential, and has a length of 10 to 25 cm..Type: GrantFiled: January 29, 1997Date of Patent: January 26, 1999Assignees: KTI Semiconductor Ltd., Texas Instruments IncorporatedInventors: Hirokazu Ueda, Masuo Koga, Shigeo Yasuda
-
Patent number: 4397246Abstract: A synthetic resin pallet is provided with at least one slip preventing member on the upper and or lower surfaces of the deck board. The slip preventing member is made of relatively soft and flexible material, preferably a polyolefin resin.Type: GrantFiled: May 2, 1977Date of Patent: August 9, 1983Assignees: Kirin Beer Kabushiki Kaisha, Mitsubishi Kasei Kogyo Kabushiki KaishaInventors: Nobuhiro Ishida, Ikuo Sukekawa, Shigeo Yasuda, Yoshikazu Yoshida
-
Patent number: 4350854Abstract: A pressure-sensitive switch unit forming part of a resonator assembly for use in a tire pressure drop detecting apparatus of the electromagnetic induction type, wherein an atmospheric chamber, formed in a casing structure and hermetically isolated by a diaphragm from a pressure-acting chamber communicating with the tire chamber in a tire-and-wheel assembly, communicates with the atmosphere through contact surfaces of two or three of the component parts of the casing structure and further through a body of a gas-permeable synthetic rubber in part exposed to the atmosphere so that an atmospheric pressure is at all times introduced into the atmosphere atmospheric chamber and an ingress of water and dust into the atmospheric chamber is precluded by the body of the gas-permeable synthetic rubber.Type: GrantFiled: June 27, 1980Date of Patent: September 21, 1982Assignees: Bridgestone Tire Company Limited, Mitaka Instrument Company LimitedInventors: Akira Matsuda, Yoshihiro Havakawa, Shigeo Yasuda, Motoaki Iwasaki, Hiroshi Nishino
-
Patent number: 4348654Abstract: A tire internal pressure control apparatus for tired vehicles comprising a resonance coil assembly secured to a rotational body of a vehicle and an oscillation coil assembly secured to a stationary vehicle body side, these assemblies being distant apart from each other and electromagnetically coupled with each other and operative to produce resonance phenomenon and generate a signal sensitive to the internal pressure of the tire. The signal is displayed at a driver's seat without utilizing any expensive and complex integrated circuit.Type: GrantFiled: December 9, 1980Date of Patent: September 7, 1982Assignee: Bridgestone Tire Company LimitedInventors: Akira Matsuda, Yoshihiro Hayakawa, Shigeo Yasuda, Motoaki Iwasaki
-
Patent number: 4337652Abstract: An apparatus for detecting a pressure drop in a tire chamber of a tire-and-wheel assembly for an automotive vehicle, comprising an oscillator assembly held stationary with respect to the vehicle body structure and a resonator assembly mounted on the wheel rim of the tire-and-wheel assembly, wherein the resonator assembly comprises a resonant inductor and a resonant capacitor which are electrically connected together across a pressure-sensitive switch unit directly communicating with the tire chamber and which are positioned together with a portion of the switch unit within a protective receptacle secured to the wheel rim and wherein the resonant inductor and capacitor and the portion of the switch unit are encapsulated in a body of potting compound forming a potted resonance circuit structure within the protective receptacle, the switch unit and the resonant capacitor being positioned intermally of the resonant inductor.Type: GrantFiled: June 9, 1980Date of Patent: July 6, 1982Assignees: Bridgestone Tire Company Limited, Mitaka Instrument Company LimitedInventors: Akira Matsuda, Yoshihiro Hayakawa, Shigeo Yasuda, Motoaki Iwasaki, Hiroshi Nishino
-
Patent number: 4300118Abstract: A tire inner pressure drop alarming device comprises an oscillation section mounted on a vehicle body in the vicinity of a vehicle wheel, a resonance section mounted on a peripheral portion of a tire and including a resonance coil, a signal processing and alarming section mounted on the vehicle body in spaced relation with the vehicle wheel, and a coaxial cable connecting the oscillation section and the signal processing and alarming section. The resonance coil has a major length measured in the direction of rotation and longer than a minor length of the resonance coil in a direction perpendicular to the direction of rotation. The ratio of the minor length to the major length ranges from 0.2 to 1.0.Type: GrantFiled: February 15, 1979Date of Patent: November 10, 1981Assignees: Bridgestone Tire Company Limited, Mitaka Instrument Company LimitedInventors: Akira Matsuda, Norio Goshima, Shigeo Yasuda, Motoaki Iwasaki, Hiroshi Nishino
-
Patent number: 4275377Abstract: An alarm device for signalling a reduction of pneumatic vehicle tire pressure comprises an oscillator 6 having an oscillation coil secured to a chassis of a vehicle; and a resonator 1 secured to the peripheral portion of a wheel having a tire adjacent to the oscillation coil and consisting of a pressure switch 4 for sensing an abnormal tire pressure change and a resonance coil and a capacitor 5 tuned to an electromagnetic wave radiated from the oscillation coil. A signal processing device contains a means for sensing a change in an oscillation condition generated in the oscillator due to a resonant condition of the resonator switched on and off in accordance with abnormal internal tire pressure and for processing a signal from the sensing means; and an alarm for generating a warning signal in accordance with the output of the signal processing device.Type: GrantFiled: June 18, 1979Date of Patent: June 23, 1981Assignees: Bridgestone Tire Co., Ltd., Mitaka Instrument Co., Ltd.Inventors: Akira Matsuda, Norio Goshima, Shigeo Yasuda, Motoaki Iwasaki, Hiroshi Nishino
-
Patent number: 4267546Abstract: An alarm device for signalling a reduction of pneumatic pressure of vehicle tires comprises an oscillator 6 having coil secured to a chassis of a vehicle, and a resonator 1 secured to the peripheral portion of a wheel having a tire adjacent to the coil and consisting of a pressure switch 4 for sensing an abnormal change of tire pressure, and a resonant coil and a capacitor 5 tuned to an electromagnetic wave radiated from the oscillation coil. A signal processing device contains means for sensing a change in an oscillation condition generated in the oscillator due to a resonant condition of the resonator switched on and off in accordance with abnormal internal tire pressure and for processing a signal from the sensing means, and an alarm for generating a warning signal in accordance with the output of the signal processing device.Type: GrantFiled: June 18, 1979Date of Patent: May 12, 1981Assignees: Bridgestone Tire Company Limited, Mitaka Instrument Company LimitedInventors: Akira Matsuda, Norio Goshima, Shigeo Yasuda, Motoaki Iwasaki, Hiroshi Nishino
-
Patent number: 4254398Abstract: This invention is concerned with a tire pressure drop alarming apparatus for signaling an abnormal pressure drop of a pneumatic tire by transforming the pressure drop into an electric signal.The apparatus comprises a resonating circuit including a resonance coil and a resonance condenser and includes a retaining body made of metal.Type: GrantFiled: September 27, 1978Date of Patent: March 3, 1981Assignees: Bridgestone Tire Company Limited, Mitaka Instrument Company LimitedInventors: Akira Matsuda, Norio Goshima, Shigeo Yasuda, Motoaki Iwasaki, Hiroshi Nishino
-
Patent number: 4211901Abstract: A pressure sensing switch for transducing the change of pneumatic pressure to an electrical signal comprises a diaphragm made of a material having a Young's modulus E of 1.0.times.10.sup.4 -2.1.times.10.sup.4 kg/mm.sup.2, a Poisson's ratio V of 0.3, a thickness t of 0.02-0.2mm, a diameter d measured at a radially inner edge of a side wall portion being 5-10mm, a ratio of a radius or curvature R measured at a deflectable portion to a diameter d measured at the radially inner edge of the side wall portion being 2.Type: GrantFiled: December 21, 1978Date of Patent: July 8, 1980Assignees: Bridgestone Tire Company Limited, Mitaka Instrument Company LimitedInventors: Akira Matsuda, Norio Goshima, Shigeo Yasuda, Motoaki Iwasaki
-
Patent number: 4180795Abstract: An alarm device for informing reduction of pneumatic pressure of vehicle tires by sensing abnormal change of tire internal pressure of a vehicle when running by a pressure sensing switch, by converting the thus sensed abnormal change into an electric signal and by generating an alarm to an operator.Type: GrantFiled: December 12, 1977Date of Patent: December 25, 1979Assignees: Bridgestone Tire Company, Limited, Mitaka Instrument Company LimitedInventors: Akira Matsuda, Makoto Tanaka, Junichi Murata, Shigeo Yasuda, Hiroshi Nishino
-
Patent number: 3963887Abstract: There is described a pressure-responsive switch device particularly suitable for the detection of a pressure drop in a pneumatic tire on a vehicle wheel, wherein a contact carrying movable rod member is securely urged into a contact closing position by means of a conical compression spring to actuate a warning device whenever the internal pressure of the tire drops below a predetermined level. A permanent magnet may be mounted at the contact point of the switch to impart a quick motion thereto.Type: GrantFiled: August 1, 1974Date of Patent: June 15, 1976Assignees: Bridgestone Tire Company Limited, Mitaka Instrument Company LimitedInventors: Takashi Takusagawa, Akira Fujikawa, Akira Matsuda, Masaaki Kaida, Shigeo Yasuda