Patents by Inventor Naohiko Moriya
Naohiko Moriya 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: 11427027Abstract: A writing implement having a pen tip that can achieve excellent ink outflow performance and an increase in the effective area of a viewer portion allowing recognition of the writing direction, relative to the whole pen tip. The writing implement is a writing implement A which includes a pen tip 20 feeding ink from a writing implement body 10 and having a viewer portion through which the writing direction can be recognized, and is characterized in that the pen tip 20 is configured of, a least, a writing part 30 and a holding body 40 having a viewer portion 43, and the holding portion 40 has a sheet-shaped ink feeder 25 formed with slits or bumps on the surface and inside thereof to produce a capillary action.Type: GrantFiled: May 28, 2019Date of Patent: August 30, 2022Assignee: MITSUBISHI PENCIL COMPANY, LIMITEDInventors: Yasuaki Ogiwara, Naohiko Moriya, Toshimi Kamitani
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Publication number: 20210237502Abstract: Provided is a writing implement having a pen tip that can achieve excellent ink outflow performance and an increase in the effective area of a viewer portion allowing recognition of the writing direction, relative to the whole pen tip. The writing implement is a writing implement A which includes a pen tip 20 feeding ink from a writing implement body 10 and having a viewer portion through which the writing direction can be recognized, and is characterized in that the pen tip 20 is configured of, a least, a writing part 30 and a holding body 40 having a viewer portion 43, and the holding portion 40 has a sheet-shaped ink feeder 25 formed with slits or bumps on the surface and inside thereof to produce a capillary action.Type: ApplicationFiled: May 28, 2019Publication date: August 5, 2021Applicant: MITSUBISHI PENCIL COMPANY, LIMITEDInventors: Yasuaki OGIWARA, Naohiko MORIYA, Toshimi KAMITANI
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Patent number: 10082629Abstract: It is an object of the present invention to accurately maintain a positional relationship between a lens held in a holding member and an optical fiber without requiring any complicated operation. The invention includes a holder (11), at one end of which a housing section (11c) that houses a ball lens (12) is formed and at the other end of which an insertion hole (11a) for inserting an optical fiber (13) is formed, and a magnet (14) provided outside in a direction crossing a housing direction of the ball lens at the one end of the holder, in which the magnet generates an attracting force for aligning a center of the ball lens with a center of an optical element provided in a coupling target.Type: GrantFiled: September 15, 2015Date of Patent: September 25, 2018Assignee: MITSUBISHI PENCIL COMPANY, LIMITEDInventors: Akihito Mitsui, Naohiko Moriya
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Publication number: 20170299816Abstract: It is an object of the present invention to accurately maintain a positional relationship between a lens held in a holding member and an optical fiber without requiring any complicated operation. The invention includes a holder (11), at one end of which a housing section (11c) that houses a ball lens (12) is formed and at the other end of which an insertion hole (11a) for inserting an optical fiber (13) is formed, and a magnet (14) provided outside in a direction crossing a housing direction of the ball lens at the one end of the holder, in which the magnet generates an attracting force for aligning a center of the ball lens with a center of an optical element provided in a coupling target.Type: ApplicationFiled: September 15, 2015Publication date: October 19, 2017Applicant: MITSUBISHI PENCIL COMPANY, LIMITEDInventors: Akihito Mitsui, Naohiko Moriya
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Patent number: 9638860Abstract: It is an object of the present invention to simply position a lens and an optical fiber while suppressing an increase in cost. An optical coupling member includes an optical fiber (13), a holder (11) that holds the optical fiber (13) inserted from an insertion hole (11a) formed at one end, and a lens such as a collimator lens (12) accommodated in an accommodation section (11c) formed at the other end of the holder (11), in which positioning is performed by causing the lens and/or the end face of the optical fiber (13) to come into contact with a tapered surface provided at a position facing the lens (12) and the optical fiber (13) in a protruding portion (11e) formed on an inner surface in the vicinity of the accommodation section (11c) of the holder (11).Type: GrantFiled: October 15, 2012Date of Patent: May 2, 2017Assignee: MITSUBISHI PENCIL COMPANY, LIMITEDInventors: Naohiko Moriya, Kiyoshi Iwamoto
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Patent number: 9581764Abstract: The present invention provides an optical coupling member and an optical connector using the optical coupling member, capable of improving the efficiency of an assembly work of the optical connector and positioning optical fibers in the optical connector with high accuracy. The optical coupling member (10) has: holding members (11) for being able to hold optical fibers (21) that are inserted from insertion holes (11a) formed at end parts; lenses housed in housing parts formed at opposite end parts of the holding members (11); and a joining member (13) for connecting the holding members (11) as aligned in parallel to each other, the joining member being formed of an elastic material.Type: GrantFiled: April 30, 2013Date of Patent: February 28, 2017Assignee: MITSUBISHI PENCIL COMPANY, LIMITEDInventors: Hitoshi Suzuki, Hajime Sumitomo, Akihito Mitsui, Naohiko Moriya
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Patent number: 9372313Abstract: An optical coupling member includes an optical fiber (13), a holder (11) that holds the optical fiber inserted from an insertion hole (11a) formed at one end, and a lens such as a collimator lens (12) accommodated in an accommodation section (11c) formed at the other end of the holder (11), the optical coupling member performing positioning by causing at least one of the lens and the end face of the optical fiber (13) to come into contact with an abutting surface (11e1, 11e2) formed in the vicinity of the accommodation section (11c) by providing a recess (11e) on an outer circumference near the accommodation section (11c) of the holder (11), in which a plurality of the recesses (11e) are provided on an identical plane orthogonal to an insertion direction of the optical fiber (13).Type: GrantFiled: May 23, 2012Date of Patent: June 21, 2016Assignee: MITSUBISHI PENCIL COMPANY, LIMITEDInventors: Hitoshi Suzuki, Naohiko Moriya, Kiyoshi Iwamoto
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Publication number: 20150241635Abstract: The present invention provides an optical coupling member and an optical connector using the optical coupling member, capable of improving the efficiency of an assembly work of the optical connector and positioning optical fibers in the optical connector with high accuracy. The optical coupling member (10) has: holding members (11) for being able to hold optical fibers (21) that are inserted from insertion holes (11a) formed at end parts; lenses housed in housing parts formed at opposite end parts of the holding members (11); and a joining member (13) for connecting the holding members (11) as aligned in parallel to each other, the joining member being formed of an elastic material.Type: ApplicationFiled: April 30, 2013Publication date: August 27, 2015Applicant: MITSUBISHI PENCIL COMPANY, LIMITEDInventors: Hitoshi Suzuki, Hajime Sumitomo, Akihito Mitsui, Naohiko Moriya
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Patent number: 8967880Abstract: In order to fix an optical fiber to a desired position in a holding member easily and tightly, provided is an optical collimator (10) having a plastic optical fiber (13) and a cylindrical holder (11). The holder (11) is configured to hold a collimator lens (12) at an end and has an insertion hole (11a) at an opposite end for inserting the plastic optical fiber (13). The plastic optical fiber (13) is sandwiched by an inner surface of a recess (11e) which is formed at a part of the holder (11) in proper alignment with the collimator lens (12).Type: GrantFiled: May 9, 2011Date of Patent: March 3, 2015Assignees: Mitsubishi Pencil Company, Limited, Japan Aviation Electronics Industry, Limited, Yasuhiro KoikeInventors: Yasuhiro Koike, Hitoshi Suzuki, Hiroyuki Muto, Akihito Mitsui, Naohiko Moriya, Toshitaka Torikai, Takayoshi Yamauchi
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Publication number: 20140376860Abstract: In order to position lenses and an optical fiber highly accurately while relaxing the assembly accuracy requirements, the present invention provides an optical coupling member having an optical fiber, a holding member that has an insertion hole formed at an end thereof for holding the optical fiber inserted via the insertion hole, and a plurality of ball lenses housed along an optical axis in a housing part formed at an opposite end of the holding member. The ball lenses are arranged in contact with each other and the optical fiber is arranged in contact with the ball lens that faces the optical fiber.Type: ApplicationFiled: October 16, 2012Publication date: December 25, 2014Inventors: Akihito Mitsui, Naohiko Moriya
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Publication number: 20140301698Abstract: It is an object of the present invention to simply position a lens and an optical fiber while suppressing an increase in cost. An optical coupling member includes an optical fiber (13), a holder (11) that holds the optical fiber (13) inserted from an insertion hole (11a) formed at one end, and a lens such as a collimator lens (12) accommodated in an accommodation section (11c) formed at the other end of the holder (11), in which positioning is performed by causing the lens and/or the end face of the optical fiber (13) to come into contact with a tapered surface provided at a position facing the lens (12) and the optical fiber (13) in a protruding portion (11e) formed on an inner surface in the vicinity of the accommodation section (11c) of the holder (11).Type: ApplicationFiled: October 15, 2012Publication date: October 9, 2014Applicant: MITSUBISHI PENCIL COMPANY, LIMITEDInventors: Naohiko Moriya, Kiyoshi Iwamoto
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Publication number: 20140270648Abstract: An optical coupling member includes an optical fiber (13), a holder (11) that holds the optical fiber inserted from an insertion hole (11a) formed at one end, and a lens such as a collimator lens (12) accommodated in an accommodation section (11c) formed at the other end of the holder (11), the optical coupling member performing positioning by causing at least one of the lens and the end face of the optical fiber (13) to come into contact with an abutting surface (11e1, 11e2) formed in the vicinity of the accommodation section (11c) by providing a recess (11e) on an outer circumference near the accommodation section (11c) of the holder (11), in which a plurality of the recesses (11e) are provided on an identical plane orthogonal to an insertion direction of the optical fiber (13).Type: ApplicationFiled: May 23, 2012Publication date: September 18, 2014Applicant: MITSUBISHI PENCIL COMPANY, LIMITEDInventors: Hitoshi Suzuki, Naohiko Moriya, Kiyoshi Iwamoto
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Patent number: 8687929Abstract: In order to facilitate positioning of a collimator lens and an optical fiber while preventing cost increase, provided is an optical collimator having a holder (11) which has a cylindrical shape and is made of metal; a collimator lens (12) which is housed in a housing part (11c) formed at an end of the holder (11); and an optical fiber (13) which is inserted via an insertion hole (11a) formed at an opposite end of the holder (11) and is fixed at a predetermined position. At least one of the collimator lens (12) and an end surface of the optical fiber (13) is made to abut to a recess (11e) formed in proximity of the housing part (11c) of the holder (11) thereby to perform positioning.Type: GrantFiled: April 5, 2011Date of Patent: April 1, 2014Assignee: Mitsubishi Pencil Company LimitedInventors: Naohiko Moriya, Yojiro Sano, Hitoshi Suzuki, Kiyoshi Iwamoto
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Publication number: 20130156375Abstract: In order to fix an optical fiber to a desired position in a holding member easily and tightly, provided is an optical collimator (10) having a plastic optical fiber (13) and a cylindrical holder (11). The holder (11) is configured to hold a collimator lens (12) at an end and has an insertion hole (11a) at an opposite end for inserting the plastic optical fiber (13). The plastic optical fiber (13) is sandwiched by an inner surface of a recess (11e) which is formed at a part of the holder (11) in proper alignment with the collimator lens (12).Type: ApplicationFiled: May 9, 2011Publication date: June 20, 2013Applicants: JAPAN AVIATION ELECTRONICS INDUSTRY, LIMITED, MITSUBISHI PENCIL COMPANY, LIMITEDInventors: Yasuhiro Koike, Hitoshi Suzuki, Hiroyuki Muto, Akihito Mitsui, Naohiko Moriya, Toshitaka Torikai, Takayoshi Yamauchi
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Publication number: 20130114926Abstract: In order to facilitate positioning of a collimator lens and an optical fiber while preventing cost increase, provided is an optical collimator having a holder (11) which has a cylindrical shape and is made of metal; a collimator lens (12) which is housed in a housing part (11c) formed at an end of the holder (11); and an optical fiber (13) which is inserted via an insertion hole (11a) formed at an opposite end of the holder (11) and is fixed at a predetermined position. At least one of the collimator lens (12) and an end surface of the optical fiber (13) is made to abut to a recess (11e) formed in proximity of the housing part (11c) of the holder (11) thereby to perform positioning.Type: ApplicationFiled: April 5, 2011Publication date: May 9, 2013Applicant: MITSUBISHI PENCIL COMPANY, LIMITEDInventors: Naohiko Moriya, Yojiro Sano, Hitoshi Suzuki, Kiyoshi Iwamoto