Patents by Inventor Masahiro Tsuchiya
Masahiro Tsuchiya 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: 20230286009Abstract: According to one aspect of the present disclosure, an applying unit that can be connected to a printer and apply an adhesive to a recording sheet includes: a roller configured to transport the recording sheet that is discharged from the printer; a sensor configured to detect the bend of the recording sheet; an applying portion configured to apply the adhesive to the recording sheet; and a control device configured to adjust the rotation speed of the roller according to the value detected by the sensor.Type: ApplicationFiled: December 28, 2022Publication date: September 14, 2023Inventors: Tetsuhiro Ishikawa, Masahiro Tsuchiya, Youichi Takamura, Yuji Yada, Tatsuya Oguchi
-
Patent number: 11688563Abstract: The present invention provides an electret sheet that exhibits excellent piezoelectricity even by light stress. The electret sheet of the invention is characterized by including a charged porous sheet, in which the electret sheet has a compressive elastic modulus of 80 to 300 MPa when compressively deformed at 25° C. and a 50% compression stress of 120 to 300 kPa at 25° C., and thus has the excellent piezoelectricity for light stress and exhibits the excellent piezoelectricity even by light stress (0.5N or less) caused by a pulse wave or a breathing.Type: GrantFiled: April 29, 2021Date of Patent: June 27, 2023Assignee: SEKISUI CHEMICAL CO., LTD.Inventors: Tetsuhiro Kato, Nobuto Kamiya, Masahiro Tsuchiya, Yuuta Katsurayama, Yasuyuki Shirasaka
-
Patent number: 11370239Abstract: A printer includes a holder configured to house rolled recording paper, a cover that is attached to the holder to be openable and closable relative to the holder, and a contact part that is attached to the cover and configured to contact the recording paper. The contact part is configured such that the contact part substantially point-contacts the recording paper, and positions on the contact part contacting the recording paper change as the recording paper is unrolled.Type: GrantFiled: November 19, 2019Date of Patent: June 28, 2022Assignee: FUJITSU COMPONENT LIMITEDInventors: Yuji Yada, Yoshinari Takabatake, Tetsuhiro Ishikawa, Tatsuya Oguchi, Masahiro Tsuchiya
-
Patent number: 11325405Abstract: A printer includes a print head configured to print on a recording sheet, a platen roller attached to a frame in a rotatable manner, a support having a head spring attached thereto that urges the print head toward the platen roller, and a hold unit attached to the frame in a rotatable manner and having an engaging part that engages with a projection situated at a side end of the support, wherein the head spring is configured to urge the print head toward the platen roller when the projection is engaged with the engaging part, and wherein the hold unit is configured to be rotated to cause the engaging part to disengage from the projection.Type: GrantFiled: January 23, 2020Date of Patent: May 10, 2022Assignee: FUJITSU COMPONENT LIMITEDInventors: Yuji Yada, Masahiro Tsuchiya, Tetsuhiro Ishikawa, Hiromi Ohtsuka, Tatsuya Oguchi
-
Patent number: 11325402Abstract: A printer including a printing part which prints on a recording paper; a cutter part which cuts the recording paper; and a conveying part which includes a conveying route having a curving shape and through which the recording paper conveyed through the cutter part is conveyed; a conveying route cover which is attached to the conveying part and covers a portion of the conveying route; and a flapper which is provided at a curved portion of the conveying route, has a curved shape, and is rotatably attached to the conveying route cover so as to rotatably open or close relative to a main body of the printer, wherein the conveying route cover and the flapper are movable together so as to separate from or contact the main body.Type: GrantFiled: September 4, 2020Date of Patent: May 10, 2022Assignee: FUJITSU COMPONENT LIMITEDInventors: Tatsuya Oguchi, Sumio Watanabe, Masahiro Tsuchiya, Tetsuhiro Ishikawa
-
Patent number: 11285743Abstract: A printer includes a printer body (110) including a recording-paper holder (111) that holds rolled recording paper (100) and includes a holder guide (112) for guiding the recording paper (100), a platen roller (140), a print head (130) attached to the printer body (110), and a lower guide (160) that is disposed to face the holder guide (112) such that a conveying path for guiding the recording paper (100) is formed between the lower guide (160) and the holder guide (112).Type: GrantFiled: August 30, 2016Date of Patent: March 29, 2022Assignee: FUJITSU COMPONENT LIMITEDInventors: Tatsuya Oguchi, Sumio Watanabe, Yukihiro Mori, Masahiro Tsuchiya, Yuji Yada, Tetsuhiro Ishikawa
-
Patent number: 11186102Abstract: A printer includes a print head that prints on recording sheet, a platen roller that transports the recording sheet pinched between the print head and the platen roller, a movable blade that cuts the recording sheet, a roller driving module that drives the platen roller, and a cutter driving module that drives the movable blade. The roller driving module and the cutter driving module are both provided at one end along an axial direction of the platen roller.Type: GrantFiled: January 8, 2020Date of Patent: November 30, 2021Assignee: FUJITSU COMPONENT LIMITEDInventors: Yuji Yada, Tetsuhiro Ishikawa, Masahiro Tsuchiya, Hiromi Ohtsuka
-
Publication number: 20210249195Abstract: The present invention provides an electret sheet that exhibits excellent piezoelectricity even by light stress. The electret sheet of the invention is characterized by including a charged porous sheet, in which the electret sheet has a compressive elastic modulus of 80 to 300 MPa when compressively deformed at 25° C. and a 50% compression stress of 120 to 300 kPa at 25° C., and thus has the excellent piezoelectricity for light stress and exhibits the excellent piezoelectricity even by light stress (0.5 N or less) caused by a pulse wave or a breathing.Type: ApplicationFiled: April 29, 2021Publication date: August 12, 2021Applicant: SEKISUI CHEMICAL CO., LTD.Inventors: Tetsuhiro KATO, Nobuto KAMIYA, Masahiro TSUCHIYA, Yuuta KATSURAYAMA, Yasuyuki SHIRASAKA
-
Patent number: 11024463Abstract: The present invention provides an electret sheet that exhibits excellent piezoelectricity even by light stress. The electret sheet of the invention is characterized by including a charged porous sheet, in which the electret sheet has a compressive elastic modulus of 80 to 300 MPa when compressively deformed at 25° C. and a 50% compression stress of 120 to 300 kPa at 25° C., and thus has the excellent piezoelectricity for light stress and exhibits the excellent piezoelectricity even by light stress (0.5 N or less) caused by a pulse wave or a breathing.Type: GrantFiled: February 3, 2017Date of Patent: June 1, 2021Assignee: Sekisui Chemical Co., Ltd.Inventors: Tetsuhiro Kato, Nobuto Kamiya, Masahiro Tsuchiya, Yuuta Katsurayama, Yasuyuki Shirasaka
-
Patent number: 10978252Abstract: The present invention provides an electret sheet that retains high piezoelectricity under high-temperature condition. The electret sheet of the invention is characterized by including a charged porous sheet, in which the electret sheet has a volume resistivity of 1.0×1015 ?·cm or more at 25° C. and a dielectric breakdown voltage of 7 kV or more at 25° C. The electret sheet preferably having a volume resistivity of 1.0×1014 ?·cm or more at 37° C. and a dielectric breakdown voltage of 7 kV or more at 37° C. retains excellent piezoelectricity even after being left under a high-temperature atmosphere over a long period.Type: GrantFiled: February 3, 2017Date of Patent: April 13, 2021Assignee: SEKISUI CHEMICAL CO., LTD.Inventors: Tetsuhiro Kato, Nobuto Kamiya, Masahiro Tsuchiya, Yuuta Katsurayama, Yasuyuki Shirasaka
-
Publication number: 20200398593Abstract: A printer including a printing part which prints on a recording paper; a cutter part which cuts the recording paper; and a conveying part which includes a conveying route having a curving shape and through which the recording paper conveyed through the cutter part is conveyed; a conveying route cover which is attached to the conveying part and covers a portion of the conveying route; and a flapper which is provided at a curved portion of the conveying route, has a curved shape, and is rotatably attached to the conveying route cover so as to rotatably open or close relative to a main body of the printer, wherein the conveying route cover and the flapper are movable together so as to separate from or contact the main body.Type: ApplicationFiled: September 4, 2020Publication date: December 24, 2020Inventors: Tatsuya Oguchi, Sumio Watanabe, Masahiro Tsuchiya, Tetsuhiro Ishikawa
-
Patent number: 10848080Abstract: A motor drive circuit includes an upper switch, a lower switch connected in series with the upper switch and drives a brushless DC motor, a gate drive circuit that drives the lower switch and a brake circuit that uses an inductive voltage generated by the brushless DC motor to apply a voltage to a gate terminal of the lower switch via the gate drive circuit and turns on the lower switch. The gate drive circuit includes a push element that applies a predetermined source voltage to the gate terminal when on, a pull element that pulls out charge from the gate terminal when on, and a rectifier between the push element and the gate terminal to rectify current in a direction from the push element toward the gate terminal.Type: GrantFiled: August 8, 2017Date of Patent: November 24, 2020Assignee: NIDEC SERVO CORPORATIONInventors: Masatomo Ishikawa, Masahiro Tsuchiya
-
Patent number: 10843490Abstract: A printer includes a head unit and a platen unit. The head unit includes a print head. The platen unit includes a platen roller, a support, and a guide roller. The platen roller is rotatably supported on the support and configured to rotate to convey recording sheet. The guide roller includes a roller part, and the roller part is configured to rotate in contact with the recording sheet as the recording sheet is conveyed.Type: GrantFiled: June 11, 2019Date of Patent: November 24, 2020Assignee: FUJITSU COMPONENT LIMITEDInventors: Kenji Sekine, Masahiro Tsuchiya, Tetsuhiro Ishikawa
-
Patent number: 10845402Abstract: An electromagnetic field imaging device according to one aspect of the present disclosure includes a polarizing optical member arranged to face an imaging subject. A modulated light from a laser light source is influenced by an electric field from the imaging subject in the polarizing optical member. The modulated light subjected to the influence of the electric field is imaged as a detection light. The polarizing optical member is supported in a state of being movable in a direction of a plate thickness of the polarizing optical member. The plate thickness of the polarizing optical member is no larger than 1.2 times a minimum void interval of a wiring of the imaging subject.Type: GrantFiled: March 17, 2017Date of Patent: November 24, 2020Assignee: National Institute of Information and Communications TechnologyInventors: Shinji Fukui, Muneo Yorinaga, Masahiro Tsuchiya
-
Patent number: 10826110Abstract: A positive electrode active material for a lithium ion secondary battery is lithium vanadium phosphate represented by a following composition expression (1) and in which a peak intensity ((002)int/(201)int) of a (002) plane normalized with respect to a peak intensity of a (201) plane and a peak intensity ((102)int/(201)int) of a (102) plane normalized with respect to a peak intensity of the (201) plane in an X-ray diffraction pattern satisfy 0.35?(002)int/(201)int?0.53 and 0.46?(102)int/(201)int?0.63, respectively, LixVOPO4 . . . (1).Type: GrantFiled: March 15, 2018Date of Patent: November 3, 2020Assignee: TDK CORPORATIONInventors: Junpei Shitaba, Hideaki Seki, Masahiro Tsuchiya
-
Patent number: 10792939Abstract: A printer including a printing part which prints on a recording paper; a cutter part which cuts the recording paper; and a conveying part which includes a conveying route having a curving shape and through which the recording paper conveyed through the cutter part is conveyed; a conveying route cover which is attached to the conveying part and covers a portion of the conveying route; and a flapper which is provided at a curved portion of the conveying route, has a curved shape, and is rotatably attached to the conveying route cover so as to rotatably open or close relative to a main body of the printer, wherein the conveying route cover and the flapper are movable together so as to separate from or contact the main body.Type: GrantFiled: July 28, 2017Date of Patent: October 6, 2020Assignee: FUJITSU COMPONENT LIMITEDInventors: Tatsuya Oguchi, Sumio Watanabe, Masahiro Tsuchiya, Tetsuhiro Ishikawa
-
Publication number: 20200247151Abstract: A printer includes a print head that prints on recording sheet, a platen roller that transports the recording sheet pinched between the print head and the platen roller, a movable blade that cuts the recording sheet, a roller driving module that drives the platen roller, and a cutter driving module that drives the movable blade. The roller driving module and the cutter driving module are both provided at one end along an axial direction of the platen roller.Type: ApplicationFiled: January 8, 2020Publication date: August 6, 2020Inventors: Yuji Yada, Tetsuhiro Ishikawa, Masahiro Tsuchiya, Hiromi Ohtsuka
-
Publication number: 20200238740Abstract: A printer includes a print head configured to print on a recording sheet, a platen roller attached to a frame in a rotatable manner, a support having a head spring attached thereto that urges the print head toward the platen roller, and a hold unit attached to the frame in a rotatable manner and having an engaging part that engages with a projection situated at a side end of the support, wherein the head spring is configured to urge the print head toward the platen roller when the projection is engaged with the engaging part, and wherein the hold unit is configured to be rotated to cause the engaging part to disengage from the projection.Type: ApplicationFiled: January 23, 2020Publication date: July 30, 2020Inventors: Yuji YADA, Masahiro TSUCHIYA, Tetsuhiro ISHIKAWA, Hiromi OHTSUKA, Tatsuya OGUCHI
-
Publication number: 20200189299Abstract: A printer includes a holder configured to house rolled recording paper, a cover that is attached to the holder to be openable and closable relative to the holder, and a contact part that is attached to the cover and configured to contact the recording paper. The contact part is configured such that the contact part substantially point-contacts the recording paper, and positions on the contact part contacting the recording paper change as the recording paper is unrolled.Type: ApplicationFiled: November 19, 2019Publication date: June 18, 2020Inventors: Yuji YADA, Yoshinari TAKABATAKE, Tetsuhiro ISHIKAWA, Tatsuya OGUCHI, Masahiro TSUCHIYA
-
Patent number: 10668756Abstract: A printer includes a body, a cover, a long hole formed in one of the body and the cover, a first shaft provided on another one of the body and the cover and disposed to pass through the long hole, a groove formed in the one of the body and the cover, and a second shaft provided on the other one of the body and the cover and disposed to pass through the groove. The cover is attached to the body so as to be rotatable around the first shaft, the groove extends parallel to the longitudinal direction of the long hole, the cover is slidable relative to the body while the second shaft is in the groove, and the cover is rotatable around the first shaft when the second shaft is out of the groove.Type: GrantFiled: January 11, 2019Date of Patent: June 2, 2020Assignee: FUJITSU COMPONENT LIMITEDInventors: Tetsuhiro Ishikawa, Masahiro Tsuchiya