Patents by Inventor Toshio Kawamura
Toshio Kawamura 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: 20180183626Abstract: An in-vehicle network system deployed in a vehicle includes a plurality of first nodes configured to perform an operation relevant to a first function in the vehicle, a second node configured to perform an operation relevant to a second function different from the first function in the vehicle; and a relay device configured to relay communication between the first nodes and the second node. The relay device is configured to start relay of communication between the first nodes earlier than the relay of communication between the first node and the second node at a time of startup.Type: ApplicationFiled: December 18, 2017Publication date: June 28, 2018Applicant: TOYOTA JIDOSHA KABUSHIKI KAISHAInventors: Shu ISHIZUKA, Hiroya ANDO, Taichi MATSUMURA, Masashi AMESARA, Yutaka UEDA, Toshio KAWAMURA, Tomomi KAWAMURA, Yoshifumi OHMORI, Toshio SHIMADA, Yoshiro HIRATA
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Publication number: 20180131538Abstract: An in-vehicle network system includes a plurality of relay devices that is connected to control devices of a vehicle, and communicates with each other and is configured such that each of a plurality of request devices that transmits a response request to the control device is connected to any one of the relay devices, a storage unit that stores a priority of the request devices, a master setter that sets, as the master, the relay device to which the request device having the highest priority has been connected among the relay devices to which any one of the request devices has been connected, and an arbitrator that performs arbitration to prioritize a response request from the request device having the highest priority when the response requests are transmitted from at least two of the request devices when the relay device in which the arbitrator is included is the master.Type: ApplicationFiled: October 17, 2017Publication date: May 10, 2018Applicant: TOYOTA JIDOSHA KABUSHIKI KAISHAInventors: Hiroya ANDO, Shu ISHIZUKA, Taichi MATSUMURA, Masashi AMESARA, Yutaka UEDA, Yoshifumi OHMORI, Toshio KAWAMURA, Tomomi KAWAMURA, Toshio SHIMADA, Yoshiroh HIRATA
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Publication number: 20180131700Abstract: An in-vehicle network system includes a plurality of first controllers; a plurality of first communication lines, the first communication lines being respectively connected to the first controllers; a connector that connects an external device or a wireless communication device; a connection communication line that is connected to the connector; and a first relay device that relays between the first communication lines and the connection communication line. The first relay device is configured to determine whether a security level in data communication between the first controllers is increased according to a type of the external device or a communication state of the wireless communication device in a state in which the external device or the wireless communication device is connected to the connector, and the first relay device is configured to increase the security level when the first relay device determines that the security level is increased.Type: ApplicationFiled: October 10, 2017Publication date: May 10, 2018Applicant: TOYOTA JIDOSHA KABUSHIKI KAISHAInventors: Hiroya ANDO, Shu ISHIZUKA, Masashi AMESARA, Yutaka UEDA, Toshio KAWAMURA
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Patent number: 5958279Abstract: A refractory slide-gate plate including a refractory base plate which is designed in a ring shape or so as to have a recess portion on a surface thereof, a refractory plate member which is fixedly engaged with the inside of the ring-shaped refractory base plate or with the recess portion of the refractory slide-gate to be integrated with the refractory base plate, and an inert gas supply groove comprising a step portion which is formed in 2 to 20 mm width and in 2 to 20 depth on at least one of the inner peripheral portion of the ring-shaped refractory base plate and the inner peripheral portion of the recess portion. The refractory plate member is preferably formed of Al.sub.2 O.sub.3 --ZrO.sub.2 --C-based refractory material or ZrO.sub.2 -based refractory material.Type: GrantFiled: May 28, 1993Date of Patent: September 28, 1999Assignee: Toshiba Ceramics Co., LtdInventors: Toshio Kawamura, Kazuhide Kawai, Shigeki Niwa
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Patent number: 5908884Abstract: Tungsten powder which is a material of high radiation absorptivity is dispersed into unvulcanized fluoro rubber in advance so that the mixture is vulcanized and molded. As the powder of material of high radiation absorptivity, powder having an F.s.s.s. particle size not larger than 50 .mu.m is used. Further, in the case where a mixture of powder having an F.s.s.s. particle size in a range of from 5 .mu.m to 50 .mu.m, and powder having an F.s.s.s. particle size in a range of from 0.5 .mu.m, to 5 .mu.m, is used as the powder of material of high radiation absorptivity, the powder of material of high radiation absorptivity has good tensile strength, good extensibility and more excellent radiation shielding ability, when the weight of the powder having a particle size in a range of from 4 .mu.m to 100 .mu.m is in a range of from 60% by weight to 95% by weight, and the weight of the powder having a particle size smaller than 4 .mu.m is in a range of from 5% by weight to 40% by weight.Type: GrantFiled: September 16, 1997Date of Patent: June 1, 1999Assignee: Sumitomo Electric Industries, Ltd.Inventors: Toshio Kawamura, Toshihisa Adachi, Mitsunori Kobayashi
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Patent number: 5837368Abstract: The occurrence of burrs and chips in punching an insulating film is suppressed by adjusting an edge tearing resistance of the insulating film. The edge tearing resistance is preferably 50 to 70 kgf/20 mm for the purpose of suppressing the burrs and the chips.Type: GrantFiled: December 4, 1996Date of Patent: November 17, 1998Assignee: Hitachi Cable, Ltd.Inventors: Toshikatsu Hiroe, Kenichi Kaneko, Noboru Imai, Hiroyuki Takasaka, Toshio Kawamura
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Patent number: 5821441Abstract: A tungsten based sintered alloy has excellent corrosion resistance under high temperatures and high humidities, and has good toughness. The alloy can be employed as such without requiring further corrosion protection such as Ni plating, due to its corrosion resistance, and allows for plastic deformation such as caulking, due to its toughness or good elongation. The tough corrosion-resistant tungsten based sintered alloy consists of 80 to 97 percent by weight of tungsten, and a remainder of Ni, Co, and optionally Fe and unavoidable impurities. The alloy most particularly has a Co content of at least 2 and not more than 60 percent by weight, an Fe content of more than 0 and less than 5 percent by weight, and a remainder of Ni in a Ni--Co--Fe binder phase.Type: GrantFiled: February 27, 1996Date of Patent: October 13, 1998Assignee: Sumitomo Electric Industries, Ltd.Inventor: Toshio Kawamura
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Patent number: 5635009Abstract: A method for punching an insulating film is composed of using plural divided punches having a clearance between each two of the divided punches. The clearance absorbs thermal expansion of the divided punches caused by receiving a heat from a heater. A punched insulating film is stuck to a lead frame by being pressed between the divided punches and the heater.Type: GrantFiled: May 13, 1994Date of Patent: June 3, 1997Assignee: Hitachi Cable Ltd.Inventors: Toshio Kawamura, Takashi Suzumura, Makoto Aida, Hiroshi Sugimoto, Shigeharu Takahagi, Yuju Endo, Toshi Sasaki, Hiroyuki Takasaka
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Patent number: 5593774Abstract: The occurrence of burrs and chips in punching an insulating film is suppressed by adjusting an edge tearing resistance of the insulating film. The edge tearing resistance is preferably 50 to 70 kgf/20 mm for the purpose of suppressing the burrs and the chips.Type: GrantFiled: January 16, 1996Date of Patent: January 14, 1997Assignee: Hitachi Cable, Ltd.Inventors: Toshikatsu Hiroe, Kenichi Kaneko, Noboru Imai, Hiroyuki Takasaka, Toshio Kawamura
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Patent number: 5478055Abstract: In a slide gate plate apparatus for casting to be installed at an outlet of a molten metal vessel, one or two fixed plates and one slide plate are retained integrally by retaining means through a shell wound round the side face of the fixed plate(s) and a shell wound round the side face of the slide plate. In this retained state, the fixed plate(s) and the slide plate are mounted together to a predetermined position of the molten metal vessel.Type: GrantFiled: August 16, 1994Date of Patent: December 26, 1995Assignee: Toshiba Ceramics Co., Ltd.Inventors: Toshio Kawamura, Shogo Mizutani, Akira Sato, Kenichi Tsujimoto, Yuuichi Kanai, Mitsumasa Hasegawa, Kenzo Hayashi
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Patent number: 5055433Abstract: An alumina-zirconia electrofusing material whose chemical composition consists of about 30-75 wt. % Al.sub.2 O.sub.3 and about 25-70 wt. % ZrO.sub.2 is provided in an amount of about 5-50 wt %, and this electrofusing material is mixed with other materials, and a resultant mixture is press-shaped and fired to produce a slide gate refractory. In order to further improve resistance to corrosion and spalling, particle diameters of the electrofusing material are continuously distributed in a range from about 0.1 mm to about 2.5 mm.Type: GrantFiled: June 1, 1989Date of Patent: October 8, 1991Assignee: Toshiba Ceramics Co., Ltd.Inventors: Shigeki Niwa, Kazuhide Kawai, Takahumi Nishibe, Toshio Kawamura
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Patent number: 5035919Abstract: Disclosed herein are a refractory repairing material for repairing a brick comprising a mixture of 70 to 80 wt % of alumina having not more than 1 mm of grain size, which comprises 25 to 30 wt % of the above amount with a grain size not passing through a 325 mesh and 45 to 50 wt % of the above amount with a grain size passing through a 325 mesh; 1 to 7 wt % of carbonaceous material having a grain size passing through a 60 mesh; 1 to 5 wt % of magnesia having a grain size passing through a 325 mesh; and 10 to 25 wt % of aluminum phosphate, and a method of repairing a plate-like brick.Type: GrantFiled: August 30, 1990Date of Patent: July 30, 1991Assignees: Toshiba Ceramics Co., Ltd., Sumitomo Metal Indus., Ltd.Inventors: Takao Sugino, Toshio Kawamura, Masamichi Asai, Hiroshi Yamada, Kenichi Mukoyama, Akira Takahashi, Hiroshi Hikima
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Patent number: 5014646Abstract: A substrate is exposed to a gas of reactive material and an oxidizing gas. The oxidizing gas includes an ozone gas. A laser light beam is applied to the substrate through the reactive material gas and the oxidizing gas. The laser light beam activates the oxidizing gas. The activated oxidizing gas reacts with the reactive material gas to form an oxide deposited on the substrate.Type: GrantFiled: March 22, 1989Date of Patent: May 14, 1991Assignee: Matsushita Electric Industrial Co., Ltd.Inventors: Yufuko Ito, Hideo Koseki, Toshio Kawamura, Yasuhiko Tsukikawa
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Patent number: 4995535Abstract: A nozzle device for discharging molten metal comprising a nozzle having a tapered portion whose outside diameter decreases toward the lower end, a metal holder mounted on the tapered portion and supporting the nozzle, and a ceramic receiving member whose inside surface is parallel with the surface of the tapered portion, the member provided between the tapered portion and the metal holder.Type: GrantFiled: February 26, 1990Date of Patent: February 26, 1991Assignee: Toshiba Ceramics Co., Ltd.Inventors: Satoshi Ooya, Sadanobu Sugiura, Teruhisa Kawashima, Toshio Kawamura
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Patent number: 4970180Abstract: Disclosed herein are a refractory repairing material for repairing a brick comprising a mixture of 70 to 80 wt % of alumina having not more than 1 mm of grain size, which comprises 25 to 30 wt % of the above amount with a grain size not passing through a 325 mesh and 45 to 50 wt % of the above amount with a grain size passing through a 325 mesh; 1 to 7 wt % of carbonaceous material having a grain size passing through a 60 mesh; 1 to 5 wt % of magnesia having a grain size passing through a 325 mesh; and 10 to 25 wt % of aluminum phosphate, and a method of repairing a plate-like brick.Type: GrantFiled: September 1, 1989Date of Patent: November 13, 1990Assignees: Toshiba Ceramics Co., Ltd., Sumitomo Metal Industries, Ltd.Inventors: Takao Sugino, Toshio Kawamura, Masamichi Asai, Hiroshi Yamada, Kenichi Mukoyama, Akira Takahashi, Hiroshi Hikima
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Patent number: 4904365Abstract: An electrodeposition coating facility comprising a conveyor for conveying articles to be coated, hangers each suspended from the conveyor and formed into an L-shaped configuration composed of a vertical portion and a horizontal portion, hanger support roller each disposed at or near the lower end of the L-shaped hanger and a guide rail laid along an electrodeposition coating line for guiding and holding the hanger support roller and support means each comprising a stud made of insulating plastic secured to an electrodeposition vessel and a metal support applied with insulating coating and secured to the top end of the stud for fixing the guide rail to the electrodeposition vessel. The guide rail may be passed through a subsequent cleaning vessel for removing paint dusts, etc. by applying compulsory rotation or supersonic vibration. The coating quality can be maintained satisfactorily during electrodeposition coating.Type: GrantFiled: February 28, 1989Date of Patent: February 27, 1990Assignee: Trinity Industrial CorporationInventors: Toshio Kawamura, Norihisa Nihei, Tadamichi Hirono, Tadayoshi Hyodo
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Patent number: 4632283Abstract: A molten metal discharging device comprising:a stationary plate adapted to be mounted at a bottom portion of a container accomodating molten metal, the stationary plate having a molten metal passage bore for permitting the molten metal from the container to be discharged therethrough, anda slide plate slidable along a lower face of the stationary plate and adapted to open or close the passage bore by being slidably displaced relative to the stationary plate, in whicha circumferential wall of the passage bore in the stationary plate is made of dense refractory material and the circumferential wall made of the dense refractory material has a plurality of gas supply holes therein for permitting a gas to be supplied into the passage borehas less fear that the passage bore thereof may be blocked by the solidification of the molten metal and/or deposition of metal oxides and has an improved resistance against corrosion by the molten metal.Type: GrantFiled: February 17, 1984Date of Patent: December 30, 1986Assignees: Toshiba Ceramics Co., Ltd., Sumitomo Metal Industries, Ltd.Inventors: Kazumi Arakawa, Masuo Sugie, Takashi Watanabe, Takumi Nishio, Toshio Kawamura, Tsutomu Nagahata, Takashi Matsushita
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Patent number: 4583721Abstract: A molten metal discharging device including a stationary plate of refractory material and adapted to be mounted at a bottom portion of a container for accommodating molten metal, the stationary plate having a molten metal passage bore for permitting the molten metal from the container to be discharged therethrough, and a slide plate of refractory material slidable along a lower face of the stationary plate and adapted to open or close the passage bore by being slidably displaced relative to the stationary plate, wherein the stationary plate includes a stationary plate main body having the passage bore therein, at least a major part of the main body being made of porous refractory material, the stationary plate main body having a chamber around a circumferential wall part of the passage bore and a gas introduction hole communicated with the chamber for introducing a gas from outside into the chamber, the circumferential wall part having gas supply hole elements for supplying the gas therethrough from the chambType: GrantFiled: February 17, 1984Date of Patent: April 22, 1986Assignee: Toshiba Ceramics Co., Ltd.Inventors: Kazumi Arakawa, Masuo Sugie, Takashi Watanabe, Takumi Nishio, Toshio Kawamura, Tsutomu Nagahata, Takashi Matsushita
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Patent number: 4304434Abstract: In a hard top automobile body having a roof, and a rear quarter pillar, and a lower rear side portion, a reinforcing pillar, substantially separate from the rear quarter pillar. The reinforcing pillar is provided at a position shifted toward the front of the automobile from the rear quarter pillar, with its upper and lower ends attached to the side of the roof and the lower rear side portion, respectively. In this manner it divides the rear quarter opening into two, while allowing the rear quarter pillar to be reduced to a thinner structure so as to provide better rear side view for the driver without sacrificing the strength and rigidity of the automobile body.Type: GrantFiled: December 11, 1979Date of Patent: December 8, 1981Assignee: Toyota Jidosha Kogyo Kabushiki KaishaInventors: Ichiro Suzuki, Kunihiko Masaki, Toshio Kawamura
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Patent number: RE37323Abstract: A method for punching an insulating film is composed of using plural divided punches having a clearance between each two of the divided punches. The clearance absorbs thermal expansion of the divided punches caused by receiving a heat from a heater. A punched insulating film is stuck to a lead frame by being pressed between the divided punches and the heater.Type: GrantFiled: June 3, 1999Date of Patent: August 14, 2001Assignee: Hitachi Cable Ltd.Inventors: Toshio Kawamura, Takashi Suzumura, Makoto Aida, Hiroshi Sugimoto, Shigeharu Takahagi, Yuju Endo, Toshi Sasaki, Hiroyuki Takasaka