Patents by Inventor Noritaka Mochizuki
Noritaka Mochizuki 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: 11858270Abstract: A liquid ejection head includes: a piezoelectric body; an vibration plate to be vibrated by a drive of the piezoelectric body; and a pressure chamber substrate including a pressure chamber which applies a pressure to a liquid by an vibration of the vibration plate; the pressure chamber substrate, the vibration plate, and the piezoelectric body are laminated in this order; and the vibration plate includes: a first layer containing silicon as a constituent element, a second layer which is disposed between the first layer and the piezoelectric body and which contains as a constituent element, a metal element selected from chromium, titanium, and aluminum, and a third layer which is disposed between the second layer and the piezoelectric body and which contains zirconium as a constituent element.Type: GrantFiled: May 17, 2021Date of Patent: January 2, 2024Assignee: Seiko Epson CorporationInventors: Toshihiro Shimizu, Harunobu Koike, Takanori Aimono, Masao Nakayama, Tatsuo Sawasaki, Chihiro Nishi, Noritaka Mochizuki, Yasushi Yamazaki, Osamu Tonomura
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Patent number: 11752766Abstract: A liquid discharging head includes a pressure chamber partitioning portion that includes a plurality of partitioning walls that partition a pressure chamber in which a pressure to discharge a liquid is applied to the liquid, a diaphragm that includes a wall surface that faces the pressure chamber, The pressure chamber is located between the partitioning walls in a second direction. The wall surface of the diaphragm includes a first portion at a first position, and a second portion. A position of the second portion in the first direction is on an opposite side in the first direction with respect to a position of the first portion in the first direction.Type: GrantFiled: March 4, 2021Date of Patent: September 12, 2023Assignee: Seiko Epson CorporationInventors: Motoki Takabe, Noritaka Mochizuki, Yoshihiro Hokari
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Publication number: 20210362501Abstract: A liquid ejection head includes: a piezoelectric body; an vibration plate to be vibrated by a drive of the piezoelectric body; and a pressure chamber substrate including a pressure chamber which applies a pressure to a liquid by an vibration of the vibration plate; the pressure chamber substrate, the vibration plate, and the piezoelectric body are laminated in this order; and the vibration plate includes: a first layer containing silicon as a constituent element, a second layer which is disposed between the first layer and the piezoelectric body and which contains as a constituent element, a metal element selected from chromium, titanium, and aluminum, and a third layer which is disposed between the second layer and the piezoelectric body and which contains zirconium as a constituent element.Type: ApplicationFiled: May 17, 2021Publication date: November 25, 2021Inventors: Toshihiro SHIMIZU, Harunobu KOIKE, Takanori AIMONO, Masao NAKAYAMA, Tatsuo SAWASAKI, Chihiro NISHI, Noritaka MOCHIZUKI, Yasushi YAMAZAKI, Osamu TONOMURA
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Publication number: 20210276330Abstract: A liquid discharging head includes a pressure chamber partitioning portion that includes a plurality of partitioning walls that partition a pressure chamber in which a pressure to discharge a liquid is applied to the liquid, a diaphragm that includes a wall surface that faces the pressure chamber. The pressure chamber is located between the partitioning walls in a second direction. The wall surface of the diaphragm includes a first portion at a first position, and a second portion. A position of the second portion in the first direction is on an opposite side in the first direction with respect to a position of the first portion in the first direction.Type: ApplicationFiled: March 4, 2021Publication date: September 9, 2021Inventors: Motoki TAKABE, Noritaka MOCHIZUKI, Yoshihiro HOKARI
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Patent number: 7027201Abstract: An optical modulation element is capable of forming a reflective diffraction grating in which heights of a plurality of elements each having a reflecting surface periodically change. The reflecting surfaces of at least one of the plurality of elements are driven in a direction of height by piezoelectric elements. The plurality of elements each having the surface as the reflecting surface are two-dimensionally arrayed by juxtaposing long sides. A rear surface side of an effective reflecting portion of each of the elements is fixed to the piezoelectric element.Type: GrantFiled: April 24, 2001Date of Patent: April 11, 2006Assignee: Canon Kabushiki KaishaInventor: Noritaka Mochizuki
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Patent number: 6858983Abstract: A display device includes a transparent substrate, a plurality of electroluminescent elements arranged on the transparent substrate, transparent members respectively covering the electroluminescent elements, and reflection films formed respectively on the surfaces of the transparent members. Each of the electroluminescent elements is formed by sequentially laying a transparent electrode, an electroluminescent layer and a reflector electrode on the transparent substrate. Each of the transparent members has a profile of a frustum of pyramid or cone, or partly has a curved surface showing a positive curvature and a curved surface showing a negative curvature at the portion held in contact with the transparent substrate.Type: GrantFiled: November 27, 2001Date of Patent: February 22, 2005Assignee: Canon Kabushiki KaishaInventors: Noritaka Mochizuki, Ryuji Tokuda, Michitaka Setani, Masanori Sakuranaga, Hikaru Hoshi
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Publication number: 20040046910Abstract: A display apparatus is constituted by a planar display device and a planar illumination device therefor. A lowering in light quantity at a periphery of the planar illumination device is prevented by inserting a reflection member, such as a reflection frame, having an inside reflection surface along the periphery of the illumination device, or a combination of a scattering means and a transparent sheet member between the display device and the illumination device. A plurality of the display apparatus may be combined to allow an associate movement thereof so as to constitute a composite display apparatus, such as a head-mount display.Type: ApplicationFiled: June 20, 2003Publication date: March 11, 2004Applicant: Canon Kabushiki KaishaInventors: Takao Sasakura, Noritaka Mochizuki, Hiroaki Hoshi
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Patent number: 6633350Abstract: A display apparatus is constituted by a planar display device and a planar illumination device therefor. A lowering in light quantity at a periphery of the planar illumination device is prevented by inserting a reflection member, such as a reflection frame, having an inside reflection surface along the periphery of the illumination device, or a combination of a scattering means and a transparent sheet member between the display device and the illumination device. A plurality of the display apparatus may be combined to allow an associate movement thereof so as to constitute a composite display apparatus, such as a head-mount display.Type: GrantFiled: June 9, 1999Date of Patent: October 14, 2003Assignee: Canon Kabushiki KaishaInventors: Takao Sasakura, Noritaka Mochizuki, Hiroaki Hoshi
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Patent number: 6608621Abstract: An image displaying method and apparatus is provided which can display an image at a high luminance. A first horizontal line image signal is written in a write memory, read in parallel from a read memory during a horizontal blanking period next to the horizontal image signal period, and amplified to thereafter perform modulation. The first horizontal line image signal is displayed at least until the next horizontal image signal line period terminates. The above operations are sequentially repeated to scan all horizontal lines.Type: GrantFiled: January 17, 2001Date of Patent: August 19, 2003Assignee: Canon Kabushiki KaishaInventor: Noritaka Mochizuki
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Publication number: 20020105267Abstract: A display device comprises a transparent substrate, a plurality of electroluminescent elements arranged on the transparent substrate, transparent members respectively covering the electroluminescent elements, and reflection films formed respectively on the surfaces of the transparent members. Each of the electroluminescent elements is formed by sequentially laying a transparent electrode, an electroluminescent layer and a reflector electrode on the transparent substrate. Each of the transparent members has a profile of a frustum of pyramid or cone, or partly has a curved surface showing a positive curvature and has a curved surface showing a negative curvature at the portion held in contact with the transparent substrate.Type: ApplicationFiled: November 27, 2001Publication date: August 8, 2002Inventors: Noritaka Mochizuki, Ryuji Tokuda, Michitaka Setani, Masanori Sakuranaga, Hikaru Hoshi
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Patent number: 6386720Abstract: This specification discloses a light source device comprising a group of light emitting elements and adjusting means for individually adjusting the luminance of each light emitting element in the group of light emitting elements. The specification also discloses an optical device using such light source device to illuminate an object to be illuminated.Type: GrantFiled: July 30, 1996Date of Patent: May 14, 2002Assignee: Canon Kabushiki KaishaInventor: Noritaka Mochizuki
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Publication number: 20020005921Abstract: A display apparatus is constituted by a planar display device and a planar illumination device therefor. A lowering in light quantity at a periphery of the planar illumination device is prevented by inserting a reflection member, such as a reflection frame, having an inside reflection surface along the periphery of the illumination device, or a combination of a scattering means and a transparent sheet member between the display device and the illumination device. A plurality of the display apparatus may be combined to allow an associate movement thereof so as to constitute a composite display apparatus, such as a head-mount display.Type: ApplicationFiled: June 9, 1999Publication date: January 17, 2002Inventors: TAKAO SASAKURA, NORITAKA MOCHIZUKI, HIROAKI HOSHI
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Publication number: 20020001120Abstract: An optical modulation element is capable of forming a reflective diffraction grating in which heights of a plurality of elements each having a reflecting surface periodically change. The reflecting surfaces of at least one of the plurality of elements are driven in a direction of height by piezoelectric elements. The plurality of elements each having the surface as the reflecting surface are two-dimensionally arrayed by juxtaposing long sides. A rear surface side of an effective reflecting portion of each of the elements is fixed to the piezoelectric element.Type: ApplicationFiled: April 24, 2001Publication date: January 3, 2002Inventor: Noritaka Mochizuki
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Publication number: 20010050727Abstract: An image displaying method and apparatus is provided which can display an image at a high luminance. A first horizontal line image signal is written in a write memory, read in parallel from a read memory during a horizontal blanking period next to the horizontal image signal period, and amplified to thereafter perform modulation. The first horizontal line image signal is displayed at least until the next horizontal image signal line period terminates. The above operations are sequentially repeated to scan all horizontal lines.Type: ApplicationFiled: January 17, 2001Publication date: December 13, 2001Inventor: Noritaka Mochizuki
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Patent number: 6229646Abstract: This specification discloses a plate-like polarizing element for converting light into polarized light having a plurality of units arranged along a common plane across the light, each of the units being provided with dividing means for dividing the light into reflected light and transmitted light whose planes of polarization are orthogonal to each other, varying means for varying the polarized state of at least one of the reflected light and the transmitted light to thereby make the planes of polarization of the two lights coincident with each other, and reflecting means for reflecting one of the reflected light and the transmitted light and directing it substantially in the same direction as the direction of travel of the other. The specification also discloses a polarizing conversion unit provided with such plate-like polarizing element, and a projector provided with such unit.Type: GrantFiled: July 24, 1996Date of Patent: May 8, 2001Assignee: Canon Kabushiki KaishaInventors: Hideaki Mitsutake, Noritaka Mochizuki, Shigeru Kawasaki, Kazumi Kimura, Junko Shingaki
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Patent number: 6147723Abstract: A substrate provided with a multi-layer film, the reflectance of which is incidence angle dependency is disposed between a planar light emitting body and a liquid crystal panel. Rays of light within a predetermined angle from the light emitting body are selectively caused to enter the liquid crystal panel through the substrate provided with the multi-layer film.Type: GrantFiled: March 1, 1996Date of Patent: November 14, 2000Assignee: Canon Kabushiki KaishaInventor: Noritaka Mochizuki
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Patent number: 5929951Abstract: A display apparatus is constituted by a planar display device and a planar illumination device therefor. A lowering in light quantity at a periphery of the planar illumination device is prevented by inserting a reflection member, such as a reflection frame, having an inside reflection surface along the periphery of the illumination device, or a combination of a scattering means and a transparent sheet member between the display device and the illumination device. A plurality of the display apparatus may be combined to allow an associate movement thereof so as to constitute a composite display apparatus, such as a head-mount display.Type: GrantFiled: October 20, 1995Date of Patent: July 27, 1999Assignee: Canon Kabushiki KaishaInventors: Takao Sasakura, Noritaka Mochizuki, Hiroaki Hoshi
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Patent number: 5566367Abstract: This specification discloses a plate-like polarizing element for converting light into polarized light having a plurality of units arranged along a common plane across the light, each of the units being provided with dividing means for dividing the light into reflected light and transmitted light whose planes of polarization are orthogonal to each other, varying means for varying the polarized state of at least one of the reflected light and the transmitted light to thereby make the planes of polarization of the two lights coincident with each other, and reflecting means for reflecting one of the reflected light and the transmitted light and directing it substantially in the same direction as the direction of travel of the other. The specification also discloses a polarizing conversion unit provided with such plate-like polarizing element, and a projector provided with such unit.Type: GrantFiled: December 8, 1993Date of Patent: October 15, 1996Assignee: Canon Kabushiki KaishaInventors: Hideaki Mitsutake, Noritaka Mochizuki, Shigeru Kawasaki, Kazumi Kimura, Junko Shingaki
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Patent number: 5461500Abstract: This specification discloses a polarization converting apparatus having means emitting non-polarized light, and polarizing means having a light incidence surface and a light emergence surface, the polarizing means receiving the non-polarized light by the light incidence surface and causing polarized light to emerge from the light emergence surface, the size and shape of the light incidence surface being similar to the size and cross-sectional shape of the non-polarized light. The specification also discloses an optical instrument having such apparatus.Type: GrantFiled: August 22, 1994Date of Patent: October 24, 1995Assignee: Canon Kabushiki KaishaInventors: Sadahiko Tsuji, Hidetoshi Suzuki, Hideaki Mitsutake, Katsumi Kurematsu, Noritaka Mochizuki, Nobuo Minoura, Shigeru Kawasaki, Kazumi Kimura, Junko Shingaki
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Patent number: 5153898Abstract: An X-ray exposure apparatus includes a stage for holding a mask having a pattern for circuit manufacturing, a stage for holding a wafer to be exposed to the pattern of the mask with X-rays, and a reflection reduction imaging system, disposed between the mask stage and the wafer stage, including a reflecting mirror arrangement, containing at least three, but not more than five, reflecting mirrors coated with multi-layer films for receiving X-rays from the mask and directing them to the wafer to expose the wafer to the pattern of the mask with the X-ray in a reduced scale.Type: GrantFiled: February 28, 1992Date of Patent: October 6, 1992Assignee: Canon Kabushiki KaishaInventors: Masayuki Suzuki, Noritaka Mochizuki, Setsuo Minami, Shigetaro Ogura, Yasuaki Fukuda, Yutaka Watanabe, Yasuo Kawai, Takao Kariya