Patents by Inventor Masaki Terashima
Masaki Terashima 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: 20240131866Abstract: A pneumatic tire comprises: a tread portion having a ground contacting surface; a sidewall portions having an outer surface; a bead portions; a carcass extending between the bead portions; and an inner rubber extending between bead portions. The inner rubber comprises a first portion extending through the tread portion with a first thickness t1, and a second portion extending through the sidewall portion with a second thickness t2. The first thickness t1 is more than the second thickness t2. In a meridian cross section of the tire under its normal state, when a first reference point (Pb1), a second reference point (Pb2), a shoulder reference point (Ps), a reference line segment (Lb), and a shoulder line segment (Ls) are defined, then a length (L1) of the shoulder line segment (Ls) is 85.9% to 89.3% of a length (L2) of the reference line segment (Lb).Type: ApplicationFiled: September 25, 2023Publication date: April 25, 2024Applicant: Sumitomo Rubber Industries, Ltd.Inventors: Tatsuya SASAKI, Tsukasa YANO, Rena ONITSUKA, Masaki TERASHIMA, Yusuke SUEYOSHI, Hiroyuki NAKAYAMA, Junya SUENO
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Publication number: 20240131871Abstract: A pneumatic tire comprises a tread portion, a pair of sidewall portions, a pair of bead portions, a carcass extending between the portions, and an inner rubber extending between the portions, on the inner side of the carcass. The inner rubber comprises a first portion extending through the tread portion with a first thickness and a second portion extending through the sidewall portions with a second thickness smaller than the first thickness. The land ratio of the tread portion 2 is 65% or more.Type: ApplicationFiled: September 26, 2023Publication date: April 25, 2024Applicant: Sumitomo Rubber Industries, Ltd.Inventors: Tatsuya SASAKI, Tsukasa YANO, Rena ONITSUKA, Shigeki NISHIJIMA, Masaki TERASHIMA, Yusuke SUEYOSHI, Junya SUENO
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Patent number: 11584168Abstract: Provided is a tire provided with a mark capable of reducing the air resistance during tire rotation while maintaining good visibility. A tire is provided with a mark on a tire side portion. The mark includes a first mark located on an outer side in a tire radial direction, and a second mark located inward of the first mark in the tire radial direction. Each of the first mark and the second mark includes a recess that is recessed from a side profile surface of the tire side portion. A depth of the recess of the first mark from the side profile surface is smaller than a depth of the recess of the second mark from the side profile surface.Type: GrantFiled: September 22, 2020Date of Patent: February 21, 2023Assignee: SUMITOMO RUBBER INDUSTRIES, LTD.Inventors: Ryo Oba, Kenji Ueda, Masatomo Nakamura, Koji Hayashi, Masaki Terashima, Masahiro Nagase, Masahiro Tatsuta, Junya Tamai, Masaya Ito
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Publication number: 20210094361Abstract: Provided is a tire provided with a mark capable of reducing the air resistance during tire rotation while maintaining good visibility. A tire is provided with a mark on a tire side portion. The mark includes a first mark located on an outer side in a tire radial direction, and a second mark located inward of the first mark in the tire radial direction. Each of the first mark and the second mark includes a recess that is recessed from a side profile surface of the tire side portion. A depth of the recess of the first mark from the side profile surface is smaller than a depth of the recess of the second mark from the side profile surface.Type: ApplicationFiled: September 22, 2020Publication date: April 1, 2021Applicant: SUMITOMO RUBBER INDUSTRIES, LTD.Inventors: Ryo OBA, Kenji UEDA, Masatomo NAKAMURA, Koji HAYASHI, Masaki TERASHIMA, Masahiro NAGASE, Masahiro TATSUTA, Junya TAMAI, Masaya ITO
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Publication number: 20210094362Abstract: A tire and rim assembly includes a rim having a pair of flanges, and a pneumatic tire being mounted onto the rim, the pneumatic tire including a pair of bead portions and a rim guard being provided on at least one of the pair of bead portions. In a cross-sectional view of the assembly under a standard state, the rim guard protrudes outwardly in a tire axial direction from a sidewall reference outer surface of the tire so as to cover over one of the pair of flanges. An angle ? of an imaginary rim guard straight line with respect to a tire radial direction is equal to or less than 40 degrees, and a maximum gap (A) in the tire radial direction between the one of the pair of flanges and the rim guard is equal to or less than 2.0 mm.Type: ApplicationFiled: September 21, 2020Publication date: April 1, 2021Applicant: Sumitomo Rubber Industries, Ltd.Inventors: Masaki TERASHIMA, Kenji UEDA, Masaya ITO, Koji HAYASHI, Ryo OBA, Masahiro NAGASE, Masatomo NAKAMURA, Junya TAMAI, Masahiro TATSUTA
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Publication number: 20210094358Abstract: A tire capable of reducing air resistance without sacrificing ride comfort is provided. A tire 1 includes a tread portion 2 and sidewall portions 3 extending from both ends of the tread portion 2 through buttress regions 31 and maximum width positions 32 to bead portions 4. A projection portion 33 extending in a tire circumferential direction and a recess portion 34 extending in the tire circumferential direction are formed in each of the buttress regions 31. The projection portion 33 has a projection height of 0.1 to 0.3 mm from a reference surface of the buttress region 31 toward an outer side in a tire radial direction. The recess portion 34 has a recess depth of 0.1 to 0.3 mm from the reference surface toward an inner side in the tire radial direction.Type: ApplicationFiled: September 23, 2020Publication date: April 1, 2021Applicant: Sumitomo Rubber Industries, Ltd.Inventors: Masaya ITO, Kenji UEDA, Masatomo NAKAMURA, Koji HAYASHI, Ryo OBA, Masaki TERASHIMA, Masahiro NAGASE, Masahiro TATSUTA, Junya TAMAI
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Patent number: 9139047Abstract: A tire contour shape is formed by a single arc in a condition in which tire flattening rate is more than 55% and less than 70% and internal pressure is 5%. Shoulder lateral grooves extend at an angle ? of 80 to 90° from the axially outer side of the tread ground-contact edge to the axially inner side of the tire, and the tire axially inner ends terminate within the shoulder land portion. A tire axial distance Ds between the tire axially inner end and the shoulder circumferential main groove is in the range of 3.5 to 5.5 mm, the shoulder lateral groove has the deepest part where the groove depth is largest, and the groove depth of the deepest part is 70 to 90% of the groove depth of the shoulder circumferential main grooves.Type: GrantFiled: December 28, 2011Date of Patent: September 22, 2015Assignee: SUMITOMO RUBBER INDUSTRIES, LTD.Inventor: Masaki Terashima
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Publication number: 20120168050Abstract: A tire contour shape is formed by a single arc in a condition in which tire flattening rate is more than 55% and less than 70% and internal pressure is 5%. Shoulder lateral grooves extend at an angle ? of 80 to 90° from the axially outer side of the tread ground-contact edge to the axially inner side of the tire, and the tire axially inner ends terminate within the shoulder land portion. A tire axial distance Ds between the tire axially inner end and the shoulder circumferential main groove is in the range of 3.5 to 5.5 mm, the shoulder lateral groove has the deepest part where the groove depth is largest, and the groove depth of the deepest part is 70 to 90% of the groove depth of the shoulder circumferential main grooves.Type: ApplicationFiled: December 28, 2011Publication date: July 5, 2012Applicant: SUMITOMO RUBBER INDUSTRIES, LTD.Inventor: Masaki TERASHIMA
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Patent number: 7832439Abstract: A pneumatic tire capable of preventing wandering without impairing wear resistance, including tread portion 2 having circumferential shoulder grooves 6c extending at locations near ground contact edges E and lateral shoulder grooves 7d extending between circumferential groove 6c and ground contact edge E, and having square shoulders such that tread surface 2a and buttress face 14 extending radially inwardly and axially outwardly from ground contact edge E intersects to form an edge or corner, wherein each shoulder block B4 is provided with circumferential sipe 11 in a region apart axially inwardly from ground contact edge E by a distance of 2 mm or more and a distance of 10 mm or less, the buttress face 14 is provided with recess 15 extending circumferentially in at least a part of projection region Z obtained by projecting circumferential sipe 11 onto buttress face 14, and radially innermost end 15B of recess 15 is located at a radial position corresponding to a region ranging from 50 to 100% of the depth ofType: GrantFiled: March 5, 2008Date of Patent: November 16, 2010Assignee: Sumitomo Rubber Industries, Ltd.Inventors: Akio Ikeda, Naoki Kageyama, Masaki Terashima, Noriko Kishimoto
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Publication number: 20080223495Abstract: A pneumatic tire capable of preventing wandering without impairing wear resistance, including tread portion 2 having circumferential shoulder grooves 6c extending at locations near ground contact edges E and lateral shoulder grooves 7d extending between circumferential groove 6c and ground contact edge E, and having square shoulders such that tread surface 2a and buttress face 14 extending radially inwardly and axially outwardly from ground contact edge E intersects to form an edge or corner, wherein each shoulder block B4 is provided with circumferential sipe 11 in a region apart axially inwardly from ground contact edge E by a distance of 2 mm or more and a distance of 10 mm or less, the buttress face 14 is provided with recess 15 extending circumferentially in at least a part of projection region Z obtained by projecting circumferential sipe 11 onto buttress face 14, and radially innermost end 15B of recess 15 is located at a radial position corresponding to a region ranging from 50 to 100% of the depth ofType: ApplicationFiled: March 5, 2008Publication date: September 18, 2008Inventors: Akio Ikeda, Naoki Kageyama, Masaki Terashima, Noriko Kishimoto
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Patent number: 7028547Abstract: A movement detecting device comprises a container (10), at least a first vibrator (16) which vibrates in accordance with a physical movement in a first direction (X), and a second vibrator (17) which vibrates about a second direction (Z), the first and second vibrators mounted in the container. The vibrations of the first and second vibrators are converted into an electric signal, and a value of the converted signal is shown on a display.Type: GrantFiled: March 5, 2002Date of Patent: April 18, 2006Assignee: MicroStone Co., Ltd.Inventors: Norihiko Shiratori, Kazutoyo Ichikawa, Hideki Tamura, Yuji Izawa, Masaki Terashima
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Patent number: 6801154Abstract: A road antenna apparatus includes a road antenna 104 which is mounted on a post 103 and at an elevated position on a road R and establishes radio communication with an on-vehicle radio device 102 mounted in a vehicle 101 which is traveling over the road; a controller controls a level of a transmission output signal of the antenna based on a receiving rate of the transmission output signal. A laser-beam emitting device 111 is mounted on the road antenna and radiates a laser beam onto the surface of the road. A laser-beam receiving device mounted on the road receives the laser beam emitted from the laser-beam emitting device. The controller stops the operation of the antenna when the laser-beam receiver device cannot receive the laser beam.Type: GrantFiled: September 15, 2003Date of Patent: October 5, 2004Assignee: Matsushita Electric Industrial Co., Ltd.Inventors: Masaki Terashima, Yoshiteru Hirano, Makoto Takemoto, Akihiro Inui
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Publication number: 20040094613Abstract: A movement detecting device comprises a container (10), at least a first vibrator (16) which vibrates in accordance with a physical movement in a first direction (X), and a second vibrator (17) which vibrates about a second direction (Z), the first and second vibrators mounted in the container. The vibrations of the first and second vibrators are converted into an electric signal, and a value of the converted signal is shown on a display.Type: ApplicationFiled: September 25, 2003Publication date: May 20, 2004Inventors: Norihiko Shiratori, Kazutoyo Ichikawa, Hideki Tamura, Yuji Izawa, Masaki Terashima
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Publication number: 20040067787Abstract: A road antenna apparatus includes a road antenna 104 which is mounted on a post 103 and at an elevated position on a road R and establishes radio communication with an on-vehicle radio device 102 mounted in a vehicle 101 which is traveling over the road; and a laser-beam emitting device 111 which is mounted on the road antenna and radiates a laser beam onto a predetermined position 113 on the surface of the road. An offset in the angle at which a road antenna is mounted can be readily ascertained on the basis of a distance between a predetermined position on the surface of the road and a position 114 on the road surface onto which a laser beam is actually radiated.Type: ApplicationFiled: September 15, 2003Publication date: April 8, 2004Applicant: Matsushita Electric Industrial Co., Ltd.Inventors: Masaki Terashima, Yoshiteru Hirano, Makoto Takemoto, Akihiro Inui
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Publication number: 20040041715Abstract: A road antenna apparatus includes a road antenna 104 which is mounted on a post 103 and at an elevated position on a road R and establishes radio communication with an on-vehicle radio device 102 mounted in a vehicle 101 which is traveling over the road; and a laser-beam emitting device 111 which is mounted on the road antenna and radiates a laser beam onto a predetermined position 113 on the surface of the road. An offset in the angle at which a road antenna is mounted can be readily ascertained on the basis of a distance between a predetermined position on the surface of the road and a position 114 on the road surface onto which a laser beam is actually radiated.Type: ApplicationFiled: September 15, 2003Publication date: March 4, 2004Applicant: Matsushita Electric Industrial Co. Ltd.Inventors: Masaki Terashima, Yoshiteru Hirano, Makoto Takemoto, Akihiro Inui
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Patent number: 6657554Abstract: A road antenna apparatus includes a road antenna 104 which is mounted on a post 103 and at an elevated position on a road R and establishes radio communication with an on-vehicle radio device 102 mounted in a vehicle 101 which is traveling over the road; A controller controls a level of a transmission output signal of the antenna based on a receiving rate of the transmission output signal. A laser-beam emitting device 111 is mounted on the road antenna and radiates a laser beam onto the surface of the road. A laser-beam receiving device mounted on the road receives the laser beam emitted from the laser-beam emitting device. The controller stops the operation of the antenna when the laser-beam receiver device cannot receive the laser beam.Type: GrantFiled: June 26, 2000Date of Patent: December 2, 2003Assignee: Matsushita Electric Industrial Co., Ltd.Inventors: Masaki Terashima, Yoshiteru Hirano, Makoto Takemoto, Akihiro Inui
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Patent number: 6650278Abstract: A road antenna apparatus includes a road antenna 104 which is mounted on a post 103 and at an elevated position on a road R and establishes radio communication with an on-vehicle radio device 102 mounted in a vehicle 101 which is traveling over the road. A receiving rate of the established radio communication is detected. A transmission output is set based on detecting a suitable receiving rate for a desired communications area established between the transmitter and the receiver.Type: GrantFiled: February 26, 2002Date of Patent: November 18, 2003Assignee: Matsushita Electric Industrial Co., Ltd.Inventors: Masaki Terashima, Yoshiteru Hirano, Makoto Takemoto, Akihiro Inui
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Patent number: 6646590Abstract: A road antenna apparatus includes a road antenna 104 which is mounted on a post 103 and at an elevated position on a road R and via a radio wave establishes radio communication with an on-vehicle radio device 102 mounted in a vehicle 101 which is traveling over the road; and a determining device provided in the antenna and determining whether the travel speed of the vehicle is appropriate for a speed limit imposed on a road, on the basis of the travel speed of the vehicle based on a signal corresponding to a reflected wave, the reflected wave being produced as a result of the radio wave emitted from the antenna being reflected by the vehicle.Type: GrantFiled: February 26, 2002Date of Patent: November 11, 2003Assignee: Matsushita Electric Industrial Co., Ltd.Inventors: Masaki Terashima, Yoshiteru Hirano, Makoto Takemoto, Akihiro Inui
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Publication number: 20020101371Abstract: A road antenna apparatus includes a road antenna 104 which is mounted on a post 103 and at an elevated position on a road R and establishes radio communication with an on-vehicle radio device 102 mounted in a vehicle 101 which is traveling over the road; and a laser-beam emitting device 111 which is mounted on the road antenna and radiates a laser beam onto a predetermined position 113 on the surface of the road. An offset in the angle at which a road antenna is mounted can be readily ascertained on the basis of a distance between a predetermined position on the surface of the road and a position 114 on the road surface onto which a laser beam is actually radiated.Type: ApplicationFiled: February 26, 2002Publication date: August 1, 2002Applicant: Matsushita Electric Industrial Co., Ltd.Inventors: Masaki Terashima, Yoshiteru Hirano, Makoto Takemoto, Akihiro Inui
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Patent number: D627292Type: GrantFiled: November 2, 2009Date of Patent: November 16, 2010Assignee: The Goodyear Tire & Rubber CompanyInventor: Masaki Terashima