Patents by Inventor Mitsuhiro Haraguchi
Mitsuhiro Haraguchi 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: 8840585Abstract: A motorized syringe for use with two types of dental anesthetic solution-filled cartridges, having a plunger plug in the 1.8 ml cartridge pushed by a push rod by a length required to push a plunger plug in the 1.0 ml cartridge. The syringe includes a cartridge holder for use with 1.0 ml and 1.8 ml cartridges, the push rod having a 1.0 ml position and a 1.8 ml position drawn back from the 1.0 ml position so that push rod movement can end at a common terminal position for both, a sleeve adapted to receive the push rod rear end when pushed back from the common terminal position, and to be not interfered with by the push rod's rear end when it is in the 1.0 ml position, the sleeve being pushed rearward with the push rod's rear end when pushed back to the 1.8 ml position.Type: GrantFiled: April 12, 2011Date of Patent: September 23, 2014Assignee: Showa Yakuhin Kako Co., Ltd.Inventors: Fumio Tanaka, Mitsuhiro Haraguchi, Mutsumi Shibuya, Renji Hayashi, Yoshinori Kato, Akiko Kawasaki
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Patent number: 8750495Abstract: A telephone apparatus includes a phone body and an earpiece that is removably placed upright in the phone body. A supporting leg having a mounting surface that contacts a desk in a desk mount mode and that contacts a wall in a wall mount mode is provided on a sloped back side of the phone body so as to be turnable around a pivot. When the supporting leg is in a first turn position, a lower end of the slope of the phone body is substantially parallel to the mounting surface. When the supporting leg is in a second turn position after having turned through about 180 degrees from the first turn position, an upper end of the slope of the phone body becomes substantially parallel to the mounting surface.Type: GrantFiled: August 31, 2010Date of Patent: June 10, 2014Assignee: Panasonic CorporationInventors: Daiichiro Suzuki, Mitsuhiro Haraguchi, Toshiya Sakai, Katsuhiko Uto, Tohru Sakata
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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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Publication number: 20140023986Abstract: A motorized syringe for use with two types of dental anesthetic solution-filled cartridges, having a plunger plug in the 1.8 ml cartridge pushed by a push rod by a length required to push a plunger plug in the 1.0 ml cartridge. The syringe includes a cartridge holder for use with 1.0 ml and 1.8 ml cartridges, the push rod having a 1.0 ml position and a 1.8 ml position drawn back from the 1.0 ml position so that push rod movement can end at a common terminal position for both, a sleeve adapted to receive the push rod rear end when pushed back from the common terminal position, and to be not interfered with by the push rod's rear end when it is in the 1.0 ml position, the sleeve being pushed rearward with the push rod's rear end when pushed back to the 1.8 ml position.Type: ApplicationFiled: April 12, 2011Publication date: January 23, 2014Applicant: Showa Yakuhin Kako Co., Ltd.Inventors: Fumio Tanaka, Mitsuhiro Haraguchi, Mutsumi Shibuya, Renji Hayashi, Yoshinori Kato
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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: 20120219147Abstract: A telephone apparatus includes a phone body and an earpiece that is removably placed upright in the phone body. A supporting leg having a mounting surface that contacts a desk in a desk mount mode and that contacts a wall in a wall mount mode is provided on a sloped back side of the phone body so as to be turnable around a pivot. When the supporting leg is in a first turn position, a lower end of the slope of the phone body is substantially parallel to the mounting surface. When the supporting leg is in a second turn position after having turned through about 180 degrees from the first turn position, an upper end of the slope of the phone body becomes substantially parallel to the mounting surface.Type: ApplicationFiled: August 31, 2010Publication date: August 30, 2012Applicant: PANASONIC CORPORATIONInventors: Daiichiro Suzuki, Mitsuhiro Haraguchi, Toshiya Sakai, Katsuhiko Uto, Tohru Sakata
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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: 20060089178Abstract: A cordless telephone set includes a charger base and a telephone apparatus. A concave retaining section of the charger base has an inclined surface and an open section. A power feeding terminal for supplying power with a charging terminal of the telephone apparatus is provided on a lower part of the inclined surface of the concave retaining section. A positioning member for restraining the telephone apparatus is provided at the lower part of the concave retaining section. A first distance between a support point at which the positioning member supports the telephone apparatus and a center of gravity of the telephone apparatus is in a positional relationship greater by a plurality of times than a second distance between the support point and a contact point where the charging terminal of the telephone apparatus is brought into contact with the power feeding terminal.Type: ApplicationFiled: October 13, 2005Publication date: April 27, 2006Applicant: MATSUSHITA ELECTRIC INDUSTRIAL CO., LTD.Inventors: Tohru Sakata, Toshiya Sakai, Mitsuhiro Haraguchi, Kazumasa Yamamoto, Atsushi Yamashita
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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: 6008256Abstract: A composition for local anesthesia which comprises (A) lidocaine, (B) a catecholamine such as epinephrine in an amount of, for example, 1/200,000 (g/ml) based on the volume of the composition, and (C) one or more amino acids such as glycine, glutamic acid, and L-glutamic acid-L-lysine or one or more hydroxycarboxylic acids such as lactic acid, glycolic acid, and citric acid, which has a duration suitable for short-time dental operations such as tooth extraction and excellent storage stability.Type: GrantFiled: February 27, 1998Date of Patent: December 28, 1999Assignee: Showa Yakuhin Kako Co., Ltd.Inventors: Mitsuhiro Haraguchi, Kazuhiro Ono, Takashi Osada, Yukio Suzuki