Patents by Inventor Takashi Maeno
Takashi Maeno 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: 20040150146Abstract: The liquid-sealing type vibration isolating apparatus of the present invention includes a coupler attached to a vibrating body, a holder, an insulator for absorbing and isolating vibration from the vibrating body at a position between the coupler and the holder, and a vibration isolating mechanism directly following the insulator and including liquid chambers sealing an incompressible fluid. This vibration isolating mechanism has a main chamber sealing a liquid, having a part of wall thereof formed by the insulator, an auxiliary chamber communicating with the main chamber via an orifice, and an equilibrium chamber provided in a portion of the main chamber via a diaphragm and having a varying volume in the chamber. The vibration isolating apparatus further includes switching means for introducing a negative pressure and the atmospheric pressure continuously or in synchronization with vibration of the vibrating body, and control means for controlling this switching operation.Type: ApplicationFiled: December 31, 2003Publication date: August 5, 2004Applicants: TOYODA GOSEI CO., LTD., TOYO TIRE & RUBBER CO., LTD.Inventors: Shigeki Takeo, Takashi Maeno, Masanao Gotou, Hiroshi Yokoi, Takeshi Naito, Tomoyuki Sawatari, Hisayoshi Kato, Osamu Nakagaki
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Publication number: 20040124742Abstract: A control apparatus for a vibration type actuator is disclosed, with which at least three kinds of vibrations are excited, and a desired motion can be carried out with high efficiency. The vibration type actuator includes a rotatable moving member, an elastic member contacting the moving member, and an electro-mechanical energy conversion element exciting at least three different kinds of vibrations in the elastic member by supplying at least three periodic signals having different phases. The control apparatus includes a rotation axis determining unit, a parameter determining unit and a control circuit. The rotation axis determining unit determines a rotation axis for rotating the moving member. The parameter determining unit determines, by using an inverse model, phase and amplitude of the periodical signals.Type: ApplicationFiled: September 25, 2003Publication date: July 1, 2004Applicant: CANON KABUSHIKI KAISHAInventors: Kenjiro Takemura, Shinji Yamamoto, Nobuyuki Kojima, Takashi Maeno
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Patent number: 6712344Abstract: The liquid-sealing type vibration isolating apparatus of the present invention includes a coupler attached to a vibrating body, a holder, an insulator for absorbing and isolating vibration from the vibrating body at a position between the coupler and the holder, and a vibration isolating mechanism directly following the insulator and including liquid chambers sealing an incompressible fluid. This vibration isolating mechanism has a main chamber sealing a liquid, having a part of wall thereof formed by the insulator, an auxiliary chamber communicating with the main chamber via an orifice, and an equilibrium chamber provided in a portion of the main chamber via a diaphragm and having a varying volume in the chamber. The vibration isolating apparatus further includes switching mechanism for introducing a negative pressure and the atmospheric pressure continuously or in synchronization with vibration of the vibrating body, and a control mechanism for controlling this switching operation.Type: GrantFiled: April 22, 2002Date of Patent: March 30, 2004Assignee: Toyo Tire & Rubber Co., Ltd.Inventors: Shigeki Takeo, Takashi Maeno, Masanao Gotou, Hiroshi Yokoi, Takeshi Naito, Tomoyuki Sawatari, Hisayoshi Kato, Osamu Nakagaki
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Patent number: 6530909Abstract: A urine absorbent bag includes a pair of pad sections placed one upon another. These pad sections are sealed together along one of the longitudinally opposite ends extending transversely of the bag and along adjacent side edge portions extending longitudinally of the bag and being contiguous to the one end. The pad sections are left unsealed along the other longitudinal end and along the remaining zones of the respective side edges extending adjacent the sealed side edge portions to define foldable regions. A guide structure for insertion of a wearer's penis is formed in one of the foldable regions.Type: GrantFiled: December 21, 1999Date of Patent: March 11, 2003Assignee: Uni-Charm CorporationInventors: Satoshi Nozaki, Takashi Maeno, Makoto Utsunomiya, Yutaka Sakamoto
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Patent number: 6527260Abstract: The liquid-sealing type vibration isolating apparatus of the present invention includes a coupler configured to be attached to a vibrating body, a holder, an insulator for absorbing and isolating vibration from the vibrating body at a position between the coupler and the holder, and a vibration isolating mechanism directly following the insulator and including liquid chambers sealing an incompressible fluid. This vibration isolating mechanism has a main chamber sealing a liquid, having a part of a wall thereof formed by the insulator, an auxiliary chamber communicating with the main chamber via an orifice, and an equilibrium chamber provided in a portion of the main chamber via a diaphragm and having a varying volume in the chamber. The vibration isolating apparatus further includes a switching mechanism for introducing a negative pressure and the atmospheric pressure continuously or in synchronization with vibration of the vibrating body, and a control mechanism for controlling this switching operation.Type: GrantFiled: December 6, 2000Date of Patent: March 4, 2003Assignee: Toyo Tire & Rubber Co., Ltd.Inventors: Shigeki Takeo, Takashi Maeno, Masanao Gotou, Hiroshi Yokoi, Takeshi Naito, Tomoyuki Sawatari, Hisayoshi Kato, Osamu Nakagaki
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Publication number: 20030015831Abstract: The liquid-sealing type vibration isolating apparatus of the present invention includes a coupler attached to a vibrating body, a holder, an insulator for absorbing and isolating vibration from the vibrating body at a position between the coupler and the holder, and a vibration isolating mechanism directly following the insulator and including liquid chambers sealing an incompressible fluid. This vibration isolating mechanism has a main chamber sealing a liquid, having a part of wall thereof formed by the insulator, an auxiliary chamber communicating with the main chamber via an orifice, and an equilibrium chamber provided in a portion of the main chamber via a diaphragm and having a varying volume in the chamber. The vibration isolating apparatus further includes switching means for introducing a negative pressure and the atmospheric pressure continuously or in synchronization with vibration of the vibrating body, and control means for controlling this switching operation.Type: ApplicationFiled: April 22, 2002Publication date: January 23, 2003Applicant: TOYODA GOSEI CO. LTD.Inventors: Shigeki Takeo, Takashi Maeno, Masanao Gotou, Hiroshi Yokoi, Takeshi Naito, Tomoyuki Sawatari, Hisayoshi Kato, Osamu Nakagaki
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Publication number: 20020145363Abstract: The invention is to provide a vibration wave driving apparatus for obtaining driving force in 3D direction. For achieving such purpose, a vibration wave driving apparatus comprises a vibration member having a shape line symmetrical with respect to two orthogonal axes, electromechanical energy conversion elements which can excite three different types of bending vibrations, in the vibration member, which displace in a direction perpendicular to the two axes, and a driven member which is brought into contact with driving portions of the vibration member and driven by vibrations excited in the vibration member.Type: ApplicationFiled: March 7, 2002Publication date: October 10, 2002Applicant: Canon Kabushiki KaishaInventors: Yuuji Ohno, Kenjiro Takemura, Takashi Maeno, Nobuyuki Kojima
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Patent number: 6404104Abstract: A vibration type actuator comprises a vibration member for generating vibration displacements in at least three different directions and a contact member in contact with the vibration member. In the actuator the vibration displacements in at least three different directions are excited in the vibration member to generate synthetic vibrations that cause relative movement between the vibration member and contact member in a desired direction.Type: GrantFiled: November 23, 1998Date of Patent: June 11, 2002Assignee: Canon Kabushiki KaishaInventors: Takashi Maeno, Kenjiro Takemura, Ichiro Okumura, Nobuyuki Kojima
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Patent number: 6380660Abstract: The present invention relates to a vibration type actuator or a vibration type driving apparatus that includes a vibration member that generates therein respective vibration displacements in at least three different directions, and a plurality of contact members contacting the vibration member, wherein the respective vibration displacements in the three different directions generate a composite vibration that simultaneously moves selected contact members of the plurality of contact members relative to the vibration member.Type: GrantFiled: May 11, 2000Date of Patent: April 30, 2002Assignee: Canon Kabushiki KaishaInventors: Takashi Maeno, Ichiro Okumura, Nobuyuki Kojima, Kenjiro Takemura
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Publication number: 20020014728Abstract: The liquid-sealing type vibration isolating apparatus of the present invention includes a coupler attached to a vibrating body, a holder, an insulator for absorbing and isolating vibration from the vibrating body at a position between the coupler and the holder, and a vibration isolating mechanism directly following the insulator and including liquid chambers sealing an incompressible fluid. This vibration isolating mechanism has a main chamber sealing a liquid, having a part of wall thereof formed by the insulator, an auxiliary chamber communicating with the main chamber via an orifice, and an equilibrium chamber provided in a portion of the main chamber via a diaphragm and having a varying volume in the chamber. The vibration isolating apparatus further includes switching means for introducing a negative pressure and the atmospheric pressure continuously or in synchronization with vibration of the vibrating body, and control means for controlling this switching operation.Type: ApplicationFiled: December 6, 2000Publication date: February 7, 2002Applicant: TOYODA GOSEI CO., LTD.Inventors: Shigeki Takeo, Takashi Maeno, Masanao Gotou, Hiroshi Yokoi, Takeshi Naito, Tomoyuki Sawatari, Hisayoshi Kato, Osamu Nakagaki
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Patent number: 6176477Abstract: The liquid-sealing type vibration isolating apparatus of the present invention includes a coupler attached to a vibrating body, a holder, an insulator for absorbing and isolating vibration from the vibrating body at a position between the coupler and the holder, and a vibration isolating mechanism directly following the insulator and including liquid chambers sealing an incompressible fluid. This vibration isolating mechanism has a main chamber sealing a liquid, having a part of wall thereof formed by the insulator, an auxiliary chamber communicating with the main chamber via an orifice, and an equilibrium chamber provided in a portion of the main chamber via a diaphragm and having a varying volume in the chamber. The vibration isolating apparatus further includes switching means for introducing a negative pressure and the atmospheric pressure continuously or in synchronization with vibration of the vibrating body, and control means for controlling this switching operation.Type: GrantFiled: March 3, 1998Date of Patent: January 23, 2001Assignee: Toyoda Gosei Co. LTd.Inventors: Shigeki Takeo, Takashi Maeno, Masanao Gotou, Hiroshi Yokoi, Takeshi Naito, Tomoyuki Sawatari, Hisayoshi Kato, Osamu Nakagaki
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Patent number: 6129719Abstract: A urine absorbent pad is folded along a transverse center folding line extending across a full length of the absorbent pad into upper and lower halves. An inner side of the absorbent pad is formed with adhesive zones extending over a desired extent of the respective side edges and one of the upper and lower halves divided by the transverse center folding line is formed with a guide arrangement for insertion of a wearer's penis extending through a thickness of the absorbent pad.Type: GrantFiled: February 23, 1998Date of Patent: October 10, 2000Assignee: Uni-Charm CorporationInventors: Satoshi Nozaki, Takashi Maeno, Makoto Utsunomiya, Yutaka Sakamoto
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Patent number: 6082718Abstract: A liquid-sealing type vibration isolating apparatus including a first coupling member attached to a vibrator; a second coupling member attached to a member in a vehicle body; an insulator interposed between the coupling members, for absorbing and isolating vibration from the vibrator; a vibration isolating mechanism composed of a main chamber having a chamber wall formed by a portion of the insulator, and charged therein with liquid, an auxiliary chamber communicated with the main chamber through an orifice and having a chamber wall a portion of which is formed by a first diaphragm, an air chamber partitioned from the auxiliary chamber across the first diaphragm, and an equilibrium chamber partitioned from the auxiliary chamber across a second diaphragm; a selector for carrying out change-over operation so as to introduce negative pressure or the atmospheric pressure into the equilibrium chamber in the vibration isolating mechanism control for controlling the change-over operation of the selector, a negativeType: GrantFiled: March 2, 1998Date of Patent: July 4, 2000Assignee: Toyoda Gosei Co., Ltd.Inventors: Norihiro Yamada, Yoshiki Shimoda, Takashi Maeno, Shigeki Takeo, Osamu Nakagaki, Masanao Goto, Tetsuya Tsuiki, Tatsuo Suzuki, Tetsuo Asano
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Patent number: 5847487Abstract: A vibration gyroscope includes a cross-shaped vibration member having two axes perpendicular to each other, an excitation structure for generating a bending vibration such that vibrations along the two axes of the vibration member have opposite phases, and a detecting structure for detecting angular velocities around the two axes of the vibration member during excitation of the bending vibration on the basis of bending displacements.Type: GrantFiled: March 28, 1996Date of Patent: December 8, 1998Assignee: Canon Kabushiki KaishaInventor: Takashi Maeno
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Patent number: 5786655Abstract: A strain element which can realize shear distortion along the shearing direction includes a plurality of first electrodes provided on the surface of an electric-mechanical or mechanical-electrical energy conversion member, and second electrodes provided inside the conversion member. The combination of the electrodes used for polarization is different from that for driving or detection.Type: GrantFiled: February 10, 1997Date of Patent: July 28, 1998Assignee: Canon Kabushiki KaishaInventors: Ichiro Okumura, Takashi Maeno
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Patent number: 5726515Abstract: In an ultrasonic motor wherein a driving signal is applied to an electro-mechanical energy conversion element provided in a vibration member to thereby excite flexural vibrations of the same shape in the two different planes of the vibration member with a phase difference in time and thereby create rotational motion on the surface of the vibration member, thus frictionally driving a movable member which is in pressure contact with the vibration forming surface, electro-mechanical energy conversion elements for exciting the flexural vibrations are each disposed at a position whereat the sum totals of strains created in the electro-mechanical energy conversion elements are substantially equal to each other.Type: GrantFiled: March 14, 1995Date of Patent: March 10, 1998Assignee: Canon Kabushiki KaishaInventors: Takayuki Tsukimoto, Takashi Maeno
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Patent number: 5653427Abstract: In a vibration isolating device, a main chamber has a part of a wall constituted by a first elastic member to be deformed by input vibration and is filled with liquid, and a sub chamber has a part of a wall constituted by a second elastic member and is filled with liquid, and the main chamber communicates with the sub chamber through a main flow path. A liquid pressure adjusting plate is installed within the main chamber and divides the main chamber into a first chamber and a second chamber and vibrates in an opposite phase to that of the input vibration. The first chamber communicates with the second chamber through a sub flow path and the dimensions of the sub flow path is set so that the sub flow path is choked during high frequency vibration of the liquid pressure adjusting plate.Type: GrantFiled: March 27, 1996Date of Patent: August 5, 1997Assignees: Kabushiki Kaisha Toyota Chuo Kenkyusho, Toyoda Gosei Co., Ltd.Inventors: Akinori Matsuda, Kazunori Yoshida, Hideo Nakai, Shigeki Takeo, Takashi Maeno
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Patent number: 5645138Abstract: A dilatant fluid-sealed vibration-insulating device includes a connection member to be connected to one member, a holder to be connected to another member, an insulator provided between the connection member and the holder, the insulator being made of a rubber-like elastic material, a main chamber and an auxiliary chamber serially provided below the insulator. A partition plate separates the main chamber and the auxiliary chamber from each other. An orifice is formed in the partition plate to communicate the main chamber and the auxiliary chamber with each other. An air chamber is provided into which the air is introduced. A diaphragm separates the air chamber from the auxiliary chamber, and a dilatant fluid is sealed in the main chamber and the auxiliary chamber. When vibrations having very low frequency of about 5Hz and a relatively large amplitude are inputted to the vibration-insulating device, the dilatant fluid exhibits a relatively small viscosity increase insufficient to dampen the vibrations.Type: GrantFiled: June 19, 1996Date of Patent: July 8, 1997Assignee: Toyoda Gosei Co., Ltd.Inventors: Hitoshi Tajima, Takashi Maeno
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Patent number: 5625145Abstract: In an angular velocity detection arrangement, a vibration member excites and detects vibration in different directions and the angular velocity is detected by detecting a vibration in directions other than the direction of a vibration excited by the vibration member.Type: GrantFiled: April 15, 1994Date of Patent: April 29, 1997Assignee: Canon Kabushiki KaishaInventors: Takashi Maeno, Takayuki Tsukimoto, Hajime Kanazawa, Ichiro Chiba
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Patent number: 5585685Abstract: A vibration driven device includes a first vibration elastic member, a second vibration elastic member, an electro-mechanical energy conversion element clamped between the first and second vibration elastic members, and a first contact member contacting at least one of the first and second vibration elastic members. A projection region which does not overlap the conversion element is arranged on the one vibration elastic member, the first contact member contacts only the projection region, and the first contact member moves relative to the one vibration elastic member by a vibration of the one vibration elastic member.Type: GrantFiled: September 21, 1994Date of Patent: December 17, 1996Assignee: Canon Kabushiki KaishaInventors: Takashi Maeno, Ichiro Okumura, Takayuki Tsukimoto