Patents by Inventor Yoshihiko Kawasaki
Yoshihiko Kawasaki 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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Patent number: 9408969Abstract: Provided is an anesthetic solution-filled cartridge-type electric dental syringe, wherein the plunger has been shortened but the plunger can nevertheless be extended to the distance necessary to evacuate the anesthetic solution from the cartridge. The syringe comprises: an extension tube into which a plunger is movably inserted, the extension tube being movably disposed in the through hole of a support block and having racks formed in the side surface thereof that are coordinated with the racks of the plunger; and a means for the plunger to draw the extension tube to engage the racks of the extension tube with a pinion when the plunger reaches the middle of the distance corresponding to the anesthetic solution accommodation length of the cartridge. By the engagement of the racks of the extension tube with the pinion, the plunger moves together with the extension tube for the remainder of the distance corresponding to the anesthetic solution accommodation length of the cartridge.Type: GrantFiled: December 27, 2010Date of Patent: August 9, 2016Assignee: Showa Yakuhin Kako Co., Ltd.Inventors: Fumio Tanaka, Mitsuhiro Haraguchi, Yoshihiko Kawasaki, Mutsumi Shibuya, Renji Hayashi, Yoshinori Kato, Akiko Kawasaki
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Patent number: 8648056Abstract: A composition for local anesthesia which comprises a local anesthetic as an active ingredient and an agent for maintaining anesthetic action selected from the group consisting of acidic mucopolysaccharides such as sodium chondroitin sulfate and cellulose derivatives such as hydroxypropylmethylcellulose, and does not contain catecholamines, which has durability of anesthetic action suitable for minor dental operations such as tooth extraction, and can be used as a safe composition for local anesthesia used for oral surgery or dental treatment.Type: GrantFiled: April 24, 2006Date of Patent: February 11, 2014Assignee: Showa Yakuhin Kako Co., Ltd.Inventors: Mitsuhiro Haraguchi, Yoshihiko Kawasaki
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Patent number: 8568141Abstract: A linear cartridge-type motorized dental syringe has a plunger rod aligned with a drive shaft of a motor, the externally threaded plunger rod movable longitudinally, but not rotatably, relative to the casing, a cylindrical body rotated by the shaft, a nut having arm-like nut halves with internal threads engaging external threads on the rod, a locking ring for rotation around an axis of the rod and for longitudinal movement between a rearward position where the ring forces the threads on the nut halves to engage the threads on the rod, and forward where the ring releases engagement of the threads, pusher pins for moving the ring rearward when the cartridge holder is inserted, and a spring for pushing the locking ring back to the forward position, with rotation of the cylinder body resulting in rotative motion of the nut around the rod to move it forward.Type: GrantFiled: June 26, 2009Date of Patent: October 29, 2013Assignee: Showa Yakuhin Kako Co., Ltd.Inventors: Fumio Tanaka, Mitsuhiro Haraguchi, Yoshihiko Kawasaki, Mutsumi Shibuya, Kiyoshi Wakabayashi, Yoshinori Katoh, Renji Hayashi
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Publication number: 20120088206Abstract: A linear cartridge-type motorized dental syringe has a plunger rod aligned with a drive shaft of a motor, the externally threaded plunger rod movable longitudinally, but not rotatably, relative to the casing, a cylindrical body rotated by the shaft, a nut having arm-like nut halves with internal threads engaging external threads on the rod, a locking ring for rotation around an axis of the rod and for longitudinal movement between a rearward position where the ring forces the threads on the nut halves to engage the threads on the rod, and forward where the ring releases engagement of the threads, pusher pins for moving the ring rearward when the cartridge holder is inserted, and a spring for pushing the locking ring back to the forward position, with rotation of the cylinder body resulting in rotative motion of the nut around the rod to move it forward.Type: ApplicationFiled: June 26, 2009Publication date: April 12, 2012Applicant: Showa Yakuhin Kako Co., Ltd.Inventors: Fumio Tanaka, Mitsuhiro Haraguchi, Yoshihiko Kawasaki, Mutsumi Shibuya, Kiyoshi Wakabayashi, Yoshinori Katoh, Renji Hayashi
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Publication number: 20080097325Abstract: Disclosed are a method and apparatus for controlling the injection rate of an anesthetic solution in a cartridge type motor-driven injection syringe for dental use, particularly beginning with the “Low” rate injection at the outset, and switching to the “Medium” or “High” injection rate at an arbitrarily selected time in the course of injection. The speed of revolution of the electric motor is changed among the low, medium and high speed, and a two-step operable type of switch is used as a starter switch 13. The first depression of the starter switch makes the electric motor 9 start at the low speed, thereby making the plunger rubber 5 initially move at the “Low Speed” in the cartridge 6 via the plunger rod 12, and the second depression of the switch makes the electric motor 9 run at the low, medium or high speed, and accordingly the plunger rod moves at the selected “Low Speed”, “Medium Speed” or “High Speed”.Type: ApplicationFiled: August 24, 2007Publication date: April 24, 2008Applicant: Showa Yakuhin Kako Co., Ltd.Inventors: Fumio Tanaka, Yoshihiko Kawasaki, Mitsuhiro Haraguchi, Ikuo Kitagawa, Yoshinori Kato, Renji Hayashi
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Publication number: 20060216245Abstract: A composition for local anesthesia which comprises a local anesthetic such as lidocaine hydrochloride as an active ingredient and an agent for sustaining anesthetic action selected from the group consisting of antihistamines such as diphenhydramine hydrochloride or hydroxyzine hydrochloride, and does not substantially contain catecholamines such as epinephrine, which has increased durability of anesthetic action without using catecholamines, and is useful as a safe composition for local anesthesia for performing short-time dental operations such as tooth extraction or oral surgery operations.Type: ApplicationFiled: December 10, 2003Publication date: September 28, 2006Applicant: Showa Yakuhin Kako Co., Ltd.Inventors: Mitsuhiro Haraguchi, Yoshihiko Kawasaki
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Publication number: 20060189572Abstract: A composition for local anesthesia which comprises a local anesthetic as an active ingredient and an agent for maintaining anesthetic action selected from the group consisting of acidic mucopolysaccharides such as sodium chondroitin sulfate and cellulose derivatives such as hydroxypropylmethylcellulose, and does not contain catecholamines, which has durability of anesthetic action suitable for minor dental operations such as tooth extraction, and can be used as a safe composition for local anesthesia used for oral surgery or dental treatment.Type: ApplicationFiled: April 24, 2006Publication date: August 24, 2006Applicant: Showa Yakuhin Kako Co., Ltd.Inventors: Mitsuhiro Haraguchi, Yoshihiko Kawasaki
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Publication number: 20050154354Abstract: An object of the present invention to provide a cartridge syringe and an ophthalmologic syringe set equipped with the cartridge syringe, where the cartridge syringe can be used repeatedly by only exchanging the cartridge containing an ophthalmologic therapeutic agent, and to reduce the amount of waste products and ensure storage space for the ophthalmologic therapeutic agents.Type: ApplicationFiled: December 26, 2002Publication date: July 14, 2005Inventors: Yoshihiko Kawasaki, Yoichi Shimoda, Yoshihiro Shishido, Takahiro Endo, Naoki Kondo, Kenji Takeshita
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Publication number: 20040072792Abstract: A composition for local anesthesia which comprises a local anesthetic as an active ingredient and an agent for maintaining anesthetic action selected from the group consisting of acidic mucopolysaccharides such as sodium chondroitin sulfate and cellulose derivatives such as hydroxypropylmethylcellulose, and does not contain catecholamines, which has durability of anesthetic action suitable for minor dental operations such as tooth extraction, and can be used as a safe composition for local anesthesia used for oral surgery or dental treatment.Type: ApplicationFiled: November 3, 2003Publication date: April 15, 2004Inventors: Mitsuhiro Haraguchi, Yoshihiko Kawasaki
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Patent number: 5154926Abstract: The present invention relates to a syrup composition characterized in that the composition contains phenobarbital or acetaminophen, a polyhydric alcohol and/or a polymer of a polyhydric alcohol, and a water soluble macromolecule, and the weight ratio of phenobarbital to the polyhydric alcohol and/or the polymer of the polyhydric alcohol is from 1:20 to 1:100, and the weight ratio of phenobarbital to the water soluble macromolecule is from 1:1 to 1:20, which has a reduced bitterness and is easy to take.Type: GrantFiled: February 6, 1991Date of Patent: October 13, 1992Assignee: Showa Yakuhin Kako Co., Ltd.Inventors: Yoshihiko Kawasaki, Yukio Suzuki
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Patent number: 4940127Abstract: A system for transporting a wound yarn package is constituted such that transport media for independently transporting packages thereon are fed along a transport line between winders an inspecting station and each has provided thereon a source indicating member on which information of a particular one of the winders or a particular winding unit on which a package which is to be placed on the transport medium has been produced is to be written in order to indicate such information.Type: GrantFiled: December 9, 1987Date of Patent: July 10, 1990Assignee: Murata Kikai Kabushiki KaishaInventors: Shuichi Kikuchi, Yoshihiko Kawasaki
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Patent number: 4924999Abstract: A package transfer system in which packages discharged from a winder in a prostrate posture with the respective longitudinal axis disposed substantially in the horizontal direction are transferred to a next stage and placed with the respective axes in a vertically aligned state. It includes a package aligning device located contiguously to the discharge end of the winder and adapted to align the discharged packages in a stand-by position with the respective axes in the vertical direction and a package transfer device adapted to hang up the packages arbitrarily aligned by the package aligning device for transfer to a next stage in the aligned state.Type: GrantFiled: July 12, 1988Date of Patent: May 15, 1990Assignee: Murata Kikai Kabushiki KaishaInventors: Shuichi Kikuchi, Yoshio Yamamoto, Yoshihiko Kawasaki
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Patent number: 4843811Abstract: A bobbin transporting system includes a spinning bobbin transporting path and an empty bobbin transporting path both provided between a spinning frame and a winder, and a spinning bobbin reservoir path is formed intermittently of the spinning bobbin transporting path between the spinning frame and winder for temporarily reserving thereon all of spinning bobbins on a transport band which have been doffed by the spinning frame.Type: GrantFiled: October 13, 1987Date of Patent: July 4, 1989Assignee: Murata Kikai Kabushiki KaishaInventors: Yoshio Yamamoto, Syuichi Kikuchi, Kazuo Nakanishi, Yoshihiko Kawasaki
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Patent number: 4605177Abstract: A bobbin transporting and treating system in winder. A spinning bobbin is erectly fitted on a carrier and is transported to a yarn end finding device, winding unit, a remover for pulling an empty bobbin off from the carrier, and a spinning bobbin feeder along a transporting path which is formed to be closed loops and includes a bobbin supplying path, a returning path and a bypass circuit for storing a bobbin from which yarn ends have not been picked up successfully.Type: GrantFiled: September 19, 1984Date of Patent: August 12, 1986Assignee: Murata Kikai Kabushiki KaishaInventors: Hiroshi Uchida, Kazuo Nakanishi, Yoshihiko Kawasaki