Patents by Inventor Akira Mase

Akira Mase 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: 20230097551
    Abstract: An object of the present invention is to provide a container for cryopreservation and transportation which is excellent in maintainability and can appropriately control the temperature of an object to be frozen. The present invention provides a container for cryopreservation and transportation (1A) used to transport an object to be frozen, including: a thermal insulation container (2) having an upper opening (2a); a thermal insulation lid (3) which closes the upper opening (2a) of the thermal insulation container (2); and a cooling unit (4) which is held in the thermal insulation container (2) while absorbing liquid nitrogen, wherein a housing space (K) for accommodating a storage tool (50) for storing the object to be frozen is provided inside the thermal insulation container (2), and the cooling unit (4) is detachable through the upper opening (2a) of the thermal insulation container (2) while the storage tool (50) located in the housing space (K) is housed in the thermal insulation container (2).
    Type: Application
    Filed: March 2, 2021
    Publication date: March 30, 2023
    Inventors: Hajime YONAI, Akira MASE, Hirotsugu TAKEUCHI
  • Publication number: 20220228789
    Abstract: An object of the present invention is to provide a freezing transport container which can store large samples such as bag shapes and allows easy removal and installation of a cryogenic liquefied gas absorber which is impregnated with cryogenic liquefied gas such as liquid nitrogen, and a cryogenic liquefied gas absorber case which can be installed in the freezing transport container, and the present invention provides a freezing transport container (1) including a main body (3) which has a heat-insulating structure, an opening (3a) at the top, and a bottomed tubular shape, and a lid (5) which is installed at the opening (3a) of the main body (3) so as to open and close the opening (3a) of the main body (3), wherein the main body (3) has the same diameter at the opening (3a) at the top and the bottom, the freezing transport container (1) further includes a cryogenic liquefied gas absorber case (7) which is installed removably at the bottom of the main body (3), and the cryogenic liquefied gas absorber case (7)
    Type: Application
    Filed: June 12, 2020
    Publication date: July 21, 2022
    Inventors: Akira MASE, Shigehiro YOSHIMURA
  • Patent number: 8106867
    Abstract: A grey tone display and a driving method are described. The display comprises a light influencing layer, an electrode pad located adjacent to the layer at one side of the layer in order to define a pixel in the layer, an n-channel field effect transistors connected to the electrode pad at its source terminal, a p-channel field effect transistors connected to the electrode pad at its source terminal, a first control line connected to the drain terminal of the n-channel field effect transistor, a second control line connected to the drain terminal of the p-channel field effect transistor, a third control line connected to the gate terminals of the n-channel field effect transistor and the p-channel field effect transistor, and a control circuit for supplying control signals to the first, second and third control lines. By this configuration, the voltage of the electrode pad can be arbitrarily controlled by adjusting the input level at the gate terminals.
    Type: Grant
    Filed: September 11, 2008
    Date of Patent: January 31, 2012
    Assignee: Semiconductor Energy Laboratory Co., Ltd.
    Inventors: Shunpei Yamazaki, Akira Mase, Masaaki Hiroki
  • Patent number: 8026886
    Abstract: A grey tone display and a driving method are described. The display comprises a light influencing layer, an electrode pad located adjacent to the layer at one side of the layer in order to define a pixel in the layer, an n-channel field effect transistors connected to the electrode pad at its source terminal, a p-channel field effect transistors connected to the electrode pad at its source terminal, a first control line connected to the drain terminal of the n-channel field effect transistor, a second control line connected to the drain terminal of the p-channel field effect transistor, a third control line connected to the gate terminals of the n-channel field effect transistor and the p-channel field effect transistor, and a control circuit for supplying control signals to the first, second and third control lines. By this configuration, the voltage of the electrode pad can be arbitrarily controlled by adjusting the input level at the gate terminals.
    Type: Grant
    Filed: September 8, 2008
    Date of Patent: September 27, 2011
    Assignee: Semiconductor Energy Laboratory Co., Ltd.
    Inventors: Shunpei Yamazaki, Akira Mase, Masaaki Hiroki
  • Patent number: 7948569
    Abstract: An electro-optical device comprising a display drive system with the display timing related to the unit time t for writing-in a picture element and to the time F for writing-in one picture is disclosed. In the device, a gradated display corresponding to the ratio of the division can be obtained by time-sharing the signal during a write-in of time t without changing the time F.
    Type: Grant
    Filed: September 23, 2008
    Date of Patent: May 24, 2011
    Assignee: Semiconductor Energy Laboratory Co., Ltd.
    Inventors: Masaaki Hiroki, Akira Mase, Shunpei Yamazaki
  • Patent number: 7928946
    Abstract: The method of fine gradation display by an electro-optical device with little influence by difference in elemental devices, is disclosed, which is an object of the present invention. In case of an active matrix electro-optical device, a visual gradation display can be carried out by digitizing an analog image signal externally supplied by means of binary notation, by temporarily storing the digital signal thus obtained, by outputting the digital signal to a circuit of next step in a proper order, and by controlling the output timing of the signal so as to output the signal to the active matrix electro-optical device, and whereby digitally controlling the time for applying voltage to a picture element.
    Type: Grant
    Filed: September 15, 2004
    Date of Patent: April 19, 2011
    Assignee: Semiconductor Energy Laboratory Co., Ltd.
    Inventors: Shunpei Yamazaki, Akira Mase, Masaaki Hiroki, Yasuhiko Takemura
  • Patent number: 7916232
    Abstract: A novel structure of an active electro-optical device is disclosed. The device is provided with complementary thin film insulated gate field affect transistors (TFTs) therein which comprise a P-TFT and an N-TFT. P-TFT and N-TFT are connected to a common signal line by the gate electrodes thereof, while the source (or drain) electrodes thereof are connected to a common signal line as well as to one of the picture element electrodes. In case of driving the active electro-optical device, a gradation display can be carried out in a driving method having a display timing determined in relation to a time F for writing one screen and a time (t) for writing in one picture element, by applying a reference signal in a cycle of the time (t), to the signal line used for a certain picture element driving selection, and by applying the select signal to the other signal line at a certain timing within the time (t), and whereby setting the value of the voltage to be applied to a liquid crystal.
    Type: Grant
    Filed: March 31, 2009
    Date of Patent: March 29, 2011
    Assignee: Semiconductor Energy Laboratory Co., Ltd.
    Inventors: Shunpei Yamazaki, Akira Mase, Masaaki Hiroki
  • Patent number: 7752217
    Abstract: A search device and a search program for searching an identifier of a site server, which provides information corresponding to a search format including an inputted keyword. Specifically, the search device includes: a search database storage which stores a search database; a conversion program storage which stores a conversion program and the identifier of the site server by associating them with each other; a search unit which reads the search database storage and searches the identifier of the site server corresponding to the inputted search format; and a site search link generation unit which reads the conversion program storage, selects a conversion program while the conversion program is associated with the identifier of the site server, which is searched by the search unit, and uses the selected conversion program to convert the inputted search format into the identifier of the site search server attached to the site server.
    Type: Grant
    Filed: November 8, 2004
    Date of Patent: July 6, 2010
    Assignee: NewsWatch, Inc.
    Inventors: Nobuyuki Sawashima, Takashi Suzuoka, Akira Mase
  • Patent number: 7701523
    Abstract: An electro-optical device comprising a display drive system with the display timing related to the unit time t for writing-in a picture element and to the time F for writing-in one picture is disclosed. In the device, a gradated display corresponding to the ratio of the division can be obtained by time-sharing the signal during a write-in of time t without changing the time F.
    Type: Grant
    Filed: May 3, 2004
    Date of Patent: April 20, 2010
    Assignee: Semiconductor Energy Laboratory Co., Ltd
    Inventors: Masaaki Hiroki, Akira Mase
  • Patent number: 7671827
    Abstract: An electro-optical device comprising a display drive system with the display timing related to the unit time t for writing-in a picture element and to the time F for writing-in one picture is disclosed. In the device, a gradated display corresponding to the ratio of the division can be obtained by time-sharing the signal during a write-in of time t without changing the time F.
    Type: Grant
    Filed: May 13, 2004
    Date of Patent: March 2, 2010
    Assignee: Semiconductor Energy Laboratory Co., Ltd.
    Inventors: Masaaki Hiroki, Akira Mase
  • Patent number: 7646441
    Abstract: An electro-optical display device comprising a first substrate having an insulating surface, at least one thin film transistor formed over the first substrate, the thin film transistor comprising a channel region, source and drain regions with the channel region extending in between, a gate insulating film adjacent to the channel region, and a gate electrode adjacent to the gate insulating film, a pixel electrode formed over a leveling film or over an interlayer insulating film and electrically connected to one of the source and drain regions of the thin film transistor, and color filters or black stripes comprising a resin formed over a second substrate. A leveling film may be formed over the at least one thin film transistor, the color filters or the black stripes. The device may comprise a second leveling film or a common electrode.
    Type: Grant
    Filed: September 24, 2001
    Date of Patent: January 12, 2010
    Assignee: Semiconductor Energy Laboratory Co., Ltd.
    Inventors: Masaaki Hiroki, Akira Mase
  • Patent number: 7642584
    Abstract: A thin-film semiconductor device or integrated circuit comprising an insulating substrate, TFTs (thin-film transistors) formed on the substrate, and multilayer conductive interconnections. The circuit has a first metallization layer becoming gate electrodes and gate interconnections. The surface of the first metallization layer is oxidized by anodic oxidation to form an insulating coating on the surface of the first metallization layer. A second metallization layer becoming source and drain electrodes or conductive interconnections is then formed on the insulating coating directly or via an interlayer insulator. An improvement in the production yield and improved reliability are accomplished.
    Type: Grant
    Filed: August 18, 2005
    Date of Patent: January 5, 2010
    Assignee: Semiconductor Energy Laboratory Co., Ltd.
    Inventors: Shunpei Yamazaki, Yasuhiko Takemura, Akira Mase, Hideki Uochi
  • Patent number: 7595779
    Abstract: An electro-optical device comprising a display drive system with the display timing related to the unit time t for writing-in a picture element and to the time F for writing-in one picture is disclosed. In the device, a gradated display corresponding to the ratio of the division can be obtained by time-sharing the signal during a write-in of time t without changing the time F.
    Type: Grant
    Filed: May 13, 2004
    Date of Patent: September 29, 2009
    Assignee: Semiconductor Energy Laboratory Co., Ltd.
    Inventors: Masaaki Hiroki, Akira Mase
  • Patent number: 7569408
    Abstract: An insulated gate field effect semiconductor device comprising a substrate having provided thereon a thin-film structured insulated gate field effect semiconductor device, said device being characterized by that it comprises a metal gate electrode and at least the side thereof is coated with an oxide of the metal. The insulated gate field effect semiconductor device according to the present invention is also characterized by that the contact holes for the extracting contacts of the source and drain regions are provided at about the same position of the end face of the anodically oxidized film established at the side of the gate. Furthermore, the present invention provides a method for forming insulated gate field effect semiconductor devices using less masks.
    Type: Grant
    Filed: April 30, 1997
    Date of Patent: August 4, 2009
    Assignee: Semiconductor Energy Laboratory Co., Ltd.
    Inventors: Shunpei Yamazaki, Akira Mase, Toshiji Hamatani
  • Publication number: 20090190056
    Abstract: A novel structure of an active electro-optical device is disclosed. The device is provided with complementary thin film insulated gate field affect transistors (TFTs) therein which comprise a P-TFT and an N-TFT. P-TFT and N-TFT are connected to a common signal line by the gate electrodes thereof, while the source (or drain) electrodes thereof are connected to a common signal line as well as to one of the picture element electrodes. In case of driving the active electro-optical device, a gradation display can be carried out in a driving method having a display timing determined in relation to a time F for writing one screen and a time (t) for writing in one picture element, by applying a reference signal in a cycle of the time (t), to the signal line used for a certain picture element driving selection, and by applying the select signal to the other signal line at a certain timing within the time (t), and whereby setting the value of the voltage to be applied to a liquid crystal.
    Type: Application
    Filed: March 31, 2009
    Publication date: July 30, 2009
    Applicant: SEMICONDUCTOR ENERGY LABORATORY CO., LTD.
    Inventors: Shunpei YAMAZAKI, Akira MASE, Masaaki HIROKI
  • Patent number: 7489367
    Abstract: A novel structure of an active display device is disclosed. The device is characterized as having at least one display device comprising a substrate having an insulated surface with at least one thin film transistor (TFT) formed over the substrate and a gate insulating film and gate electrode adjacent to the channel region, with the gate insulating layer interposed between the gate electrode and the channel region. In one embodiment, an interlayer insulating film covers the TFT and an aluminum lead electrode is formed over the interlayer insulating layer that is electrically connected to one of the source or drain regions of the TFT through a hole of the interlayer insulating film. In another embodiment of the invention the first and second holes of the interlayer insulating layer do not overlap.
    Type: Grant
    Filed: April 8, 1999
    Date of Patent: February 10, 2009
    Assignee: Semiconductor Energy Laboratory, Co., Ltd.
    Inventors: Shunpei Yamazaki, Akira Mase, Masaaki Hiroki
  • Publication number: 20090021663
    Abstract: An electro-optical device comprising a display drive system with the display timing related to the unit time t for writing-in a picture element and to the time F for writing-in one picture is disclosed. In the device, a gradated display corresponding to the ratio of the division can be obtained by time-sharing the signal during a write-in of time t without changing the time F.
    Type: Application
    Filed: September 23, 2008
    Publication date: January 22, 2009
    Applicant: SEMICONDUCTOR ENERGY LABORATORY CO., LTD.
    Inventors: Masaaki HIROKI, Akira MASE
  • Patent number: 7479939
    Abstract: An electro-optical device comprising a display drive system with the display timing related to the unit time t for writing-in a picture element and to the time F for writing-in one picture is disclosed. In the device, a gradated display corresponding to the ratio of the division can be obtained by time-sharing the signal during a write-in of time t without changing the time F.
    Type: Grant
    Filed: January 17, 1995
    Date of Patent: January 20, 2009
    Assignee: Semiconductor Energy Laboratory Co., Ltd.
    Inventors: Masaaki Hiroki, Akira Mase, Shunpei Yamazaki
  • Publication number: 20090009500
    Abstract: A grey tone display and a driving method are described. The display comprises a light influencing layer, an electrode pad located adjacent to the layer at one side of the layer in order to define a pixel in the layer, an n-channel field effect transistors connected to the electrode pad at its source terminal, a p-channel field effect transistors connected to the electrode pad at its source terminal, a first control line connected to the drain terminal of the n-channel field effect transistor, a second control line connected to the drain terminal of the p-channel field effect transistor, a third control line connected to the gate terminals of the n-channel field effect transistor and the p-channel field effect transistor, and a control circuit for supplying control signals to the first, second and third control lines. By this configuration, the voltage of the electrode pad can be arbitrarily controlled by adjusting the input level at the gate terminals.
    Type: Application
    Filed: September 8, 2008
    Publication date: January 8, 2009
    Applicant: SEMICONDUCTOR ENERGY LABORATORY CO., LTD.
    Inventors: Shunpei YAMAZAKI, Akira MASE, Masaaki HIROKI
  • Publication number: 20090009457
    Abstract: A grey tone display and a driving method are described. The display comprises a light influencing layer, an electrode pad located adjacent to the layer at one side of the layer in order to define a pixel in the layer, an n-channel field effect transistors connected to the electrode pad at its source terminal, a p-channel field effect transistors connected to the electrode pad at its source terminal, a first control line connected to the drain terminal of the n-channel field effect transistor, a second control line connected to the drain terminal of the p-channel field effect transistor, a third control line connected to the gate terminals of the n-channel field effect transistor and the p-channel field effect transistor, and a control circuit for supplying control signals to the first, second and third control lines. By this configuration, the voltage of the electrode pad can be arbitrarily controlled by adjusting the input level at the gate terminals.
    Type: Application
    Filed: September 11, 2008
    Publication date: January 8, 2009
    Applicant: SEMICONDUCTOR ENERGY LABORATORY CO., LTD.
    Inventors: Shunpei YAMAZAKI, Akira MASE, Masaaki HIROKI