Patents by Inventor Keiichi Fukushima

Keiichi Fukushima 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).

  • Publication number: 20240377741
    Abstract: A chemically amplified positive resist composition is provided comprising (A) a quencher containing an onium salt having a nitrogen-containing aliphatic heterocycle and a fluorocarboxylic acid structure in its anion and (B) a base polymer containing a specific polymer which is decomposed under the action of acid to increase its solubility in alkaline developer. The resist composition exhibits a high resolution during pattern formation and forms a pattern of rectangular profile with improved LER, fidelity and dose margin.
    Type: Application
    Filed: April 30, 2024
    Publication date: November 14, 2024
    Applicant: Shin-Etsu Chemical Co., Ltd.
    Inventors: Keiichi Masunaga, Satoshi Watanabe, Masahiro Fukushima, Masaaki Kotake, Yuta Matsuzawa
  • Publication number: 20240377738
    Abstract: A chemically amplified negative resist composition comprising (A) a quencher in the form of an onium salt containing an anion having a nitrogen-containing aliphatic heterocycle and a fluorocarboxylic acid structure and (B) a base polymer is provided. The resist composition forms a pattern of rectangular profile with improved LER, resolution, fidelity, and dose margin.
    Type: Application
    Filed: May 8, 2024
    Publication date: November 14, 2024
    Applicant: Shin-Etsu Chemical Co., Ltd.
    Inventors: Keiichi Masunaga, Satoshi Watanabe, Masahiro Fukushima, Masaaki Kotake, Yuta Matsuzawa
  • Publication number: 20240329522
    Abstract: A chemically amplified negative resist composition comprising (A) a photoacid generator in the form of an onium salt of aromatic sulfonic acid whose anion has a ring structure fused to an aromatic ring having a sulfo group bonded thereto and another aromatic ring structure containing a bulky substituent and (B) a base polymer is provided. The resist composition exhibits a high resolution during pattern formation and forms a pattern with improved LER and fidelity.
    Type: Application
    Filed: March 20, 2024
    Publication date: October 3, 2024
    Applicant: Shin-Etsu Chemical Co., Ltd.
    Inventors: Masahiro Fukushima, Satoshi Watanabe, Keiichi Masunaga, Masaaki Kotake, Yuta Matsuzawa
  • Publication number: 20240329532
    Abstract: An acetal modifier affording a triple bond-bearing group serving as a protective group for an aliphatic or aromatic hydroxy group is provided as well as a polymer adapted to turn alkali soluble as a result of deprotection under the action of acid, the polymer comprising repeat units A1 having on side chain a structure including an aromatic hydroxy group protected with a triple bond-bearing group acid labile group. A chemically amplified positive resist composition comprising the polymer is also provided.
    Type: Application
    Filed: March 8, 2024
    Publication date: October 3, 2024
    Applicant: Shin-Etsu Chemical Co., Ltd.
    Inventors: Masahiro Fukushima, Satoshi Watanabe, Kenji Funatsu, Keiichi Masunaga, Masaaki Kotake, Yuta Matsuzawa
  • Publication number: 20240280900
    Abstract: This invention relates to an onium salt, a chemically amplified positive resist composition, and a resist pattern forming process. The invention provides an onium salt capable of generating an acid having an adequate acid strength and low diffusion, a chemically amplified positive resist composition comprising the onium salt, and a resist pattern forming process using the composition. The chemically amplified positive resist composition comprises an onium salt capable of generating an acid having an adequate acid strength and suppressed diffusion is provided.
    Type: Application
    Filed: January 4, 2024
    Publication date: August 22, 2024
    Applicant: Shin-Etsu Chemical Co., Ltd.
    Inventors: Masahiro Fukushima, Satoshi Watanabe, Keiichi Masunaga, Masaaki Kotake, Yuta Matsuzawa
  • Publication number: 20160240092
    Abstract: A system is provided for displaying data. The system comprises a managing device. The managing device is configured to receive user input specifying lesson data. The managing device is further configured to transmit a display command to display teaching data corresponding to the lesson data, the display command including the lesson data. The system further comprises a plurality of study devices. The study devices comprise a receiving component configured to receive, from the managing device, the display command. The study devices further comprise a teaching component configured to display, in response to the display command, the teaching data on a teaching screen. The study devices still further comprise a notebook component. The notebook component is configured to receive notebook data. The notebook component is further configured to display, on a notebook screen, the notebook data.
    Type: Application
    Filed: December 21, 2015
    Publication date: August 18, 2016
    Inventors: Takefumi Hayashi, Koji Nakanishi, Hideki Oshida, Hiroshi Kagawa, Takeshi Sasaki, Hiroaki Nagaoka, Hideki Hagiwara, Tetsuo Kato, Keiichi Fukushima
  • Publication number: 20130252225
    Abstract: A system is provided for displaying data. The system comprises a managing device. The managing device is configured to receive user input specifying lesson data. The managing device is further configured to transmit a display command to display teaching data corresponding to the lesson data, the display command including the lesson data. The system further comprises a plurality of study devices. The study devices comprise a receiving component configured to receive, from the managing device, the display command. The study devices further comprise a teaching component configured to display, in response to the display command, the teaching data on a teaching screen. The study devices still further comprise a notebook component. The notebook component is configured to receive notebook data. The notebook component is further configured to display, on a notebook screen, the notebook data.
    Type: Application
    Filed: December 6, 2011
    Publication date: September 26, 2013
    Applicant: SONY CORPORATION
    Inventors: Takefumi Hayashi, Koji Nakanishi, Hideki Oshida, Hiroshi Kagawa, Takeshi Sasaki, Hiroaki Nagaoka, Hideki Hagiwara, Tetsuo Kato, Keiichi Fukushima
  • Patent number: 7407224
    Abstract: A molding attaching clip 30 includes a fixed portion 31 to be fixed in a groove 15 of a roof panel 10, a pair of elastically deformable wall portions 32 which are erected from the fixed portion 31, a pair of engaging portions 33 which are provided on the pair of wall portions 32, and an elastically deformable guide portion 36 which is projected from the fixed portion 31. A roof molding 20 includes a head portion 21 for covering the groove 15, and a projected portion 27 which is protruded from a back face of the head portion 21. The projected portion has a pair of locking portions 24 which are provided on both side faces thereof, and a receiving groove 26 which is formed in the projected portion 27. On occasion of engaging the roof molding 20 with the molding attaching clip 30, the roof molding 20 is positioned so that the pair of locking portions 24 can be engaged with the pair of engaging portions 33, by butting the receiving groove 26 against the guide portion 36.
    Type: Grant
    Filed: February 22, 2005
    Date of Patent: August 5, 2008
    Assignees: Tokai Kogyo Co., Ltd., Togo Seisakusyo Corporation
    Inventors: Kenji Okabe, Tsukasa Murase, Keiichi Fukushima, Masahiro Kuwabara, Noriyuki Miyata
  • Publication number: 20070182214
    Abstract: A molding attaching clip 30 includes a fixed portion 31 to be fixed in a groove 15 of a roof panel 10, a pair of elastically deformable wall portions 32 which are erected from the fixed portion 31, a pair of engaging portions 33 which are provided on the pair of wall portions 32, and an elastically deformable guide portion 36 which is projected from the fixed portion 31. A roof molding 20 includes a head portion 21 for covering the groove 15, and a projected portion 27 which is protruded from a back face of the head portion 21. The projected portion has a pair of locking portions 24 which are provided on both side faces thereof, and a receiving groove 26 which is formed in the projected portion 27. On occasion of engaging the roof molding 20 with the molding attaching clip 30, the roof molding 20 is positioned so that the pair of locking portions 24 can be engaged with the pair of engaging portions 33, by butting the receiving groove 26 against the guide portion 36.
    Type: Application
    Filed: February 22, 2005
    Publication date: August 9, 2007
    Applicants: TOKAI KOGYO CO., LTD., TOGO SEISAKUSYO CORPORATION
    Inventors: Kenji Okabe, Tsukasa Murase, Keiichi Fukushima, Masahiro Kuwabara, Noriyuki Miyata
  • Patent number: 6378251
    Abstract: A door assembly for vehicles includes a space defined between a door inner panel and a door trimming, in which a door locking device for holding a vehicle door on a vehicle body is accommodated so as to be secured on the door inner panel. A key cylinder and a connecting rod for a door outside handle are arranged between a door outer panel and the door inner panel, and a locking lever and an opening lever of the door locking device are placed in the space connected to the key cylinder and the connecting rod.
    Type: Grant
    Filed: August 31, 1999
    Date of Patent: April 30, 2002
    Assignees: Aisin Seiki Kabushiki Kaisha, Toyota Jidosha Kabushiki Kaisha
    Inventors: Ryoichi Fukumoto, Motohiro Kokubo, Masayuki Uchitsunemi, Keiichi Fukushima, Hiroshi Takai, Daiichi Shiraishi
  • Patent number: 6326747
    Abstract: A synchronization control device and a synchronization control method are provided in which it includes controllers Am and As1 of a master section and a slave section for accurately synchronizing rotational frequency and rotation phases of driving electric motors Mm and Ms1. The controller As1 includes rotational frequency detectors Ss1, Fs1, a master phase counter Cm1, and a slave phase counter Cs1, and detects at all times both of a rotational frequency and a rotation phase of the electric motors Mm of the master based upon an output of the rotary encoder Pm, and further detects at all times both of a rotational frequency and a rotation phase of the electric motor Ms1 of the slave.
    Type: Grant
    Filed: December 16, 1999
    Date of Patent: December 4, 2001
    Assignee: Kabushiki Kaisya Tokyo Kikai Seisakusho
    Inventors: Noriyuki Shiba, Keiichi Fukushima, Takeshi Mitsuhashi, Ikuo Kotani
  • Publication number: 20010022051
    Abstract: A door assemble for vehicles includes a space defined between a door inner panel and a door trimming, in which a door locking device for holding a vehicle door on a vehicle body is accommodated so as to be secured on the door inner panel.
    Type: Application
    Filed: August 31, 1999
    Publication date: September 20, 2001
    Inventors: RYOICHI FUKUMOTO, MOTOHIRO KOKUBO, MASAYUKI UCHITSUNEMI, KEIICHI FUKUSHIMA, HIROSHI TAKAI, DAIICHI SHIRAISHI
  • Patent number: 6231112
    Abstract: A vehicle door assembly includes a door inner panel having a hinge attachment portion on which is to be mounted a pair of door hinge devices and a lock attachment portion on which is to be mounted a door lock device. A base panel has four arm portions that connect the base panel to the door inner panel. The four arm portions include first and a second arm portions fixed to the hinge attachment portion of the door inner panel, and a third arm portion attached to the lock attachment portion of the door inner panel.
    Type: Grant
    Filed: August 31, 1999
    Date of Patent: May 15, 2001
    Assignee: Aisin Seiki Kabushiki Kaisha
    Inventors: Ryoichi Fukumoto, Terutsugu Gotanda, Masaru Hoshina, Motohiro Kokubo, Masayuki Uchitsunemi, Keiichi Fukushima, Hiroshi Takai, Daiichi Shiraishi
  • Patent number: 6179372
    Abstract: A front portion structure of an automobile vehicle body having front side members disposed in right and left side portions of a vehicle body and extending in the longitudinal direction and an instrument panel reinforcement disposed between right and left front pillars and extending in the lateral direction. Pillar braces are connected to the front side members in the right and left side portions and the instrument panel reinforcement.
    Type: Grant
    Filed: September 15, 1999
    Date of Patent: January 30, 2001
    Assignee: Toyota Jidosha Kabushiki Kaisha
    Inventors: Sunao Sakamoto, Keiichi Fukushima
  • Patent number: 5953863
    Abstract: A mounting jig for positioning and adhering respective temporarily-retaining clips of a clip set for a window glass at a peripheral edge portion of the window glass includes a body, two nippers positioned at an end portion of the body which nip a pair of strut members of the clip set, and a positioner provided for each nipper which abuts an edge of the window glass to position the nippers at the peripheral edge portion of the window glass.
    Type: Grant
    Filed: January 13, 1997
    Date of Patent: September 21, 1999
    Assignee: Nifco Inc.
    Inventors: Yoshio Shibanushi, Keiichi Fukushima
  • Patent number: 5673904
    Abstract: A temporarily-retaining clip set for a window glass includes two temporarily-retaining clips for a window glass, each temporarily-retaining clip for a window glass having a base plate, a first surface of the base plate being adhered to a peripheral edge portion of a window glass, and elastic supporting bodies extending from a second surface of the base plate which is opposite the first surface, the elastic supporting bodies engaging a mounting flange provided at an edge portion of an opening portion in which the window glass is mounted; and strut members connecting the second surfaces of the base plates of the two temporarily-retaining clips such that the second surfaces face each other with a predetermined gap being formed therebetween, the strut members enabling cancellation of connection of the base plates. Accordingly, the two temporarily-retaining clips are nipped by a mounting jig via the strut members, and are adhered to the window glass in succession.
    Type: Grant
    Filed: November 16, 1995
    Date of Patent: October 7, 1997
    Assignee: Nifco Inc.
    Inventors: Yoshio Shibanushi, Keiichi Fukushima
  • Patent number: 5222336
    Abstract: A molding includes a molding body and a weir member. The weir member is longitudinary fitted along the molding body corresponding to a front pillar of the automobile body and to an arcuate body portion interconnecting the front pillar and a roof panel of the automobile body. The molding body and weir member have a pin and a pin insertion hole so that the weir member is retained on a desired position on the molding body when the molding is installed to the automobile body.
    Type: Grant
    Filed: August 26, 1991
    Date of Patent: June 29, 1993
    Assignee: Tokai Kogyo Kabushiki Kaisha
    Inventors: Yukihiko Yada, Keiichi Fukushima, Kazuo Kitamura
  • Patent number: RE40165
    Abstract: A synchronization control device and a synchronization control method are provided in which it includes controllers Am and As1 of a master section and a slave section for accurately synchronizing rotational frequency and rotation phases of driving electric motors Mm and Ms1. The controller As1 includes rotational frequency detectors Ss1, Fs1, a master phase counter Cm1, and a slave phase counter Cs1, and detects at all times both of a rotational frequency and a rotation phase of the electric motors Mm of the master based upon an output of the rotary encoder Pm, and further detects at all times both of a rotational frequency and a rotation phase of the electric motor Ms1 of the slave.
    Type: Grant
    Filed: November 26, 2003
    Date of Patent: March 25, 2008
    Assignee: Kabushiki Kaisya Tokyo Kikai Seisakusho
    Inventors: Noriyuki Shiba, Keiichi Fukushima, Takeshi Mitsuhashi, Ikuo Kotani