Patents Assigned to Public Works Research Institute, Ministry of
Construction
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Patent number: 6459991Abstract: The present invention provides a collision in right/left turn prevention system which can automatically stop a vehicle even when a driver of the vehicle can not correctly grasp a course of a vehicle running in the counter direction because of the road line form or because the counter vehicle is hid behind other vehicles, or when a velocity of the counter vehicle is faster than that estimated by the driver.Type: GrantFiled: October 20, 2000Date of Patent: October 1, 2002Assignee: Public Works Research Institute, Ministry of ConstructionInventors: Akihiko Takiguchi, Koji Kubota, Naoya Noguchi, Satoshi Moteki, Harutada Ooya, Hideaki Murakami, Masaya Yamada, Hiroshi Takahashi, Akira Kuno, Hisashi Ezure, Tetsuaki Kondo, Ryoji Matsubara, Yasuyuki Ohira, Kenichi Ohtani, Hiroshi Mashimo, Takao Inobe, Kazumasa Miyamoto, Kazutaka Kawahara
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Patent number: 6360171Abstract: A system-enabled vehicle entering a crossing warns a driver of the vehicle that a possibility of bumping exists, thereby allowing the driver to brake and stop the vehicle in an emergency in front of the crossing. When the system determines a possibility of bumping with another vehicle entering the crossing exists, the system continuously provides controls for decelerating and stopping the vehicle in a range from a point where the system can decelerate the vehicle in an emergency with time allowance for stopping the vehicle in front of the crossing up to a point in front of the crossing.Type: GrantFiled: October 20, 2000Date of Patent: March 19, 2002Assignee: Public Works Research Institute, Ministry of ConstructionInventors: Kazumasa Miyamoto, Naoya Noguchi, Satoshi Moteki, Harutada Ooya, Hideaki Murakami, Masaya Yamada, Hiroshi Takahashi, Akihiko Takiguchi, Koji Kubota, Akira Kuno, Hisashi Ezure, Tetsuaki Kondo, Ryoji Matsubara, Yasuyuki Ohira, Kenichi Ohtani, Hiroshi Mashimo, Takao Inobe, Kazutaka Kawahara
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Patent number: 6337637Abstract: The collision with pedestrian prevention system according to the present invention comprises pedestrian detection means, road surface conditions detection means, road information accumulation means, vehicle position detection means, vehicle state detection means, processing means, information output means, and vehicle control means. Because of the configuration, the driver is alerted the presence of any pedestrian on a pedestrian's crossing and can immediately correct operations for handling the vehicle without being perplexed by the information just about to finish crossing the road. This system works only when there is the possibility of collision between a pedestrian on a pedestrian's crossing and a vehicle, and provides automatic controls for decelerating or stopping the vehicle when the driver can stop the vehicle by emergently braking over a distance from the vehicle to the pedestrian's crossing.Type: GrantFiled: October 20, 2000Date of Patent: January 8, 2002Assignee: Public Works Research Institute, Ministry of ConstructionInventors: Koji Kubota, Naoya Noguchi, Satoshi Moteki, Harutada Ooya, Hideaki Murakami, Masaya Yamada, Hiroshi Takahashi, Akihiko Takiguchi, Akira Kuno, Hisashi Ezure, Tetsuaki Kondo, Ryoji Matsubara, Yasuyuki Ohira, Kenichi Ohtani, Hiroshi Mashimo, Takao Inobe, Kazumasa Miyamoto, Kazutaka Kawahara
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Patent number: 5349712Abstract: This variable damper system for a bridge is installed between a superstructure and a substructure of a bridge and can freely change the damping characteristics so that the inertial force of the superstructure generated in an earthquake will be distributed to the substructure and the vibration will be reduced, and all the functions of a viscous damper/stopper, an energy absorber, and a stopper for preventing excessive response with a shock absorber have been integrated in one unit of this system, so that one unit of this system can perform the same functions as those carried out by a plurality of conventions devices each having an independent function and also a narrow space on the top surface of the substructure of a bridge can be used as it is.Type: GrantFiled: November 3, 1992Date of Patent: September 27, 1994Assignee: Public Works Research Institute, Ministry of ConstructionInventors: Kazuhiko Kawashima, Shigeki Unjoh, Hideyuki Shimizu
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Patent number: 5006251Abstract: A process for treating organic waste water in which a first step provided the stage precedent to a second step using an aerobic filter bed employs an upward flow type solid-liquid separator packed with a filter medium, with the SS (suspended solids) removal at the preceding stage being performed at a high SS removal rate and in a short time.Type: GrantFiled: September 27, 1989Date of Patent: April 9, 1991Assignees: Director General, Public Works Research Institute, Ministry of Construction, Nishihara Environmental Sanitation Research Corporation LimitedInventors: Kazuo Takeishi, Yasuhiro Okubo, Takashi Itoh
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Patent number: 4985149Abstract: Sewage sludge or an agricultural or fish waste material is subjected to pretreatment in the form of wet mill treatment and then is subjected to anaerobic digestion.Type: GrantFiled: March 20, 1989Date of Patent: January 15, 1991Assignees: Public Works Research Institute, Ministry of Construction, Kabushiki Kaisha Yakult Honsha, Fujita CorporationInventors: Yoshio Ohshima, Tsunekazu Watanabe, Keizaburo Watanabe, Noboru Nonoyama, Masayoshi Kitazume, Yukihiro Tomita
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Patent number: 4279540Abstract: A deformable dam made of an impermeable flexible membrane secured in a water tight manner to the bottom and side walls of a river. The flexible membrane is inflatable using either air or water, or a combination to vary the overall effective length of the dam.Type: GrantFiled: February 9, 1979Date of Patent: July 21, 1981Assignees: Kazuto Nakazawa, General Director Public Works Research Institute Ministry of Construction, Sumitomo Electric Industries, Ltd.Inventors: Kyozo Suga, Jinya Iizuka, Yoshiomi Tsuji