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).
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Publication number: 20230097551Abstract: 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: ApplicationFiled: March 2, 2021Publication date: March 30, 2023Inventors: Hajime YONAI, Akira MASE, Hirotsugu TAKEUCHI
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Publication number: 20220228789Abstract: 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: ApplicationFiled: June 12, 2020Publication date: July 21, 2022Inventors: Akira MASE, Shigehiro YOSHIMURA
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Patent number: 8106867Abstract: 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: GrantFiled: September 11, 2008Date of Patent: January 31, 2012Assignee: Semiconductor Energy Laboratory Co., Ltd.Inventors: Shunpei Yamazaki, Akira Mase, Masaaki Hiroki
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Patent number: 8026886Abstract: 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: GrantFiled: September 8, 2008Date of Patent: September 27, 2011Assignee: Semiconductor Energy Laboratory Co., Ltd.Inventors: Shunpei Yamazaki, Akira Mase, Masaaki Hiroki
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Patent number: 7948569Abstract: 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: GrantFiled: September 23, 2008Date of Patent: May 24, 2011Assignee: Semiconductor Energy Laboratory Co., Ltd.Inventors: Masaaki Hiroki, Akira Mase, Shunpei Yamazaki
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Patent number: 7928946Abstract: 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: GrantFiled: September 15, 2004Date of Patent: April 19, 2011Assignee: Semiconductor Energy Laboratory Co., Ltd.Inventors: Shunpei Yamazaki, Akira Mase, Masaaki Hiroki, Yasuhiko Takemura
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Patent number: 7916232Abstract: 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: GrantFiled: March 31, 2009Date of Patent: March 29, 2011Assignee: Semiconductor Energy Laboratory Co., Ltd.Inventors: Shunpei Yamazaki, Akira Mase, Masaaki Hiroki
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Patent number: 7752217Abstract: 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: GrantFiled: November 8, 2004Date of Patent: July 6, 2010Assignee: NewsWatch, Inc.Inventors: Nobuyuki Sawashima, Takashi Suzuoka, Akira Mase
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Patent number: 7701523Abstract: 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: GrantFiled: May 3, 2004Date of Patent: April 20, 2010Assignee: Semiconductor Energy Laboratory Co., LtdInventors: Masaaki Hiroki, Akira Mase
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Patent number: 7671827Abstract: 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: GrantFiled: May 13, 2004Date of Patent: March 2, 2010Assignee: Semiconductor Energy Laboratory Co., Ltd.Inventors: Masaaki Hiroki, Akira Mase
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Patent number: 7646441Abstract: 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: GrantFiled: September 24, 2001Date of Patent: January 12, 2010Assignee: Semiconductor Energy Laboratory Co., Ltd.Inventors: Masaaki Hiroki, Akira Mase
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Patent number: 7642584Abstract: 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: GrantFiled: August 18, 2005Date of Patent: January 5, 2010Assignee: Semiconductor Energy Laboratory Co., Ltd.Inventors: Shunpei Yamazaki, Yasuhiko Takemura, Akira Mase, Hideki Uochi
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Patent number: 7595779Abstract: 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: GrantFiled: May 13, 2004Date of Patent: September 29, 2009Assignee: Semiconductor Energy Laboratory Co., Ltd.Inventors: Masaaki Hiroki, Akira Mase
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Patent number: 7569408Abstract: 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: GrantFiled: April 30, 1997Date of Patent: August 4, 2009Assignee: Semiconductor Energy Laboratory Co., Ltd.Inventors: Shunpei Yamazaki, Akira Mase, Toshiji Hamatani
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Publication number: 20090190056Abstract: 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: ApplicationFiled: March 31, 2009Publication date: July 30, 2009Applicant: SEMICONDUCTOR ENERGY LABORATORY CO., LTD.Inventors: Shunpei YAMAZAKI, Akira MASE, Masaaki HIROKI
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Patent number: 7489367Abstract: 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: GrantFiled: April 8, 1999Date of Patent: February 10, 2009Assignee: Semiconductor Energy Laboratory, Co., Ltd.Inventors: Shunpei Yamazaki, Akira Mase, Masaaki Hiroki
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Publication number: 20090021663Abstract: 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: ApplicationFiled: September 23, 2008Publication date: January 22, 2009Applicant: SEMICONDUCTOR ENERGY LABORATORY CO., LTD.Inventors: Masaaki HIROKI, Akira MASE
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Patent number: 7479939Abstract: 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: GrantFiled: January 17, 1995Date of Patent: January 20, 2009Assignee: Semiconductor Energy Laboratory Co., Ltd.Inventors: Masaaki Hiroki, Akira Mase, Shunpei Yamazaki
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Publication number: 20090009500Abstract: 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: ApplicationFiled: September 8, 2008Publication date: January 8, 2009Applicant: SEMICONDUCTOR ENERGY LABORATORY CO., LTD.Inventors: Shunpei YAMAZAKI, Akira MASE, Masaaki HIROKI
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Publication number: 20090009457Abstract: 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: ApplicationFiled: September 11, 2008Publication date: January 8, 2009Applicant: SEMICONDUCTOR ENERGY LABORATORY CO., LTD.Inventors: Shunpei YAMAZAKI, Akira MASE, Masaaki HIROKI