Patents by Inventor Takehiko Hayashi
Takehiko Hayashi 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: 20230296882Abstract: A motorized correction collar system includes: an attachment portion; a control unit that controls transmission of force to a correction collar ring of a first objective lens attached to the attachment portion; and a storage unit that stores calibration information at least for each type of objective lens with a correction collar. The control unit acquires calibration information corresponding to the first objective lens from among the calibration information stored in the storage unit, and calibrates the correction collar of the first objective lens based on the calibration information.Type: ApplicationFiled: December 20, 2022Publication date: September 21, 2023Applicant: EVIDENT CORPORATIONInventors: Noriyuki SUZUKI, Takuma KIMURA, Takehiko HAYASHI, Keita KOJIMA
-
Patent number: 11611722Abstract: A microscope system is provided with a microscope that acquires images at least at a first magnification and a second magnification higher than the first magnification, and a processor. The processor is configured to specify a type of a container in which a specimen is placed, and when starting observation of the specimen placed in the container at the second magnification, the processor is configured to specify a map region corresponding to a map image constructed by stitching together a plurality of second images acquired by the microscope at a higher magnification than the first magnification by performing object detection according to the type of the container on a first image that includes the container acquired by the microscope at the first magnification, and cause a display unit to display the first image and a range of the map region on the first image.Type: GrantFiled: May 19, 2021Date of Patent: March 21, 2023Assignee: Evident CorporationInventors: Keita Kojima, Motohiro Shibata, Takehiko Hayashi, Keigo Mori
-
Patent number: 11555995Abstract: A microscope system is provided with a microscope that acquires images at least at a first magnification and a second magnification higher than the first magnification, and a processor. The processor is configured to specify a type of a container in which a specimen is placed, and when starting observation of the specimen placed in the container at the second magnification, the processor is configured to specify an observation start position by performing object detection according to the type of container on a first image that includes the container acquired by the microscope at the first magnification, and control a relative position of the microscope with respect to the specimen such that the observation start position is contained in a field of view at the second magnification of the microscope.Type: GrantFiled: May 19, 2021Date of Patent: January 17, 2023Assignee: Evident CorporationInventors: Motohiro Shibata, Takehiko Hayashi, Keita Kojima, Keigo Mori
-
Patent number: 11396451Abstract: A tungsten carbide powder contains tungsten carbide as a main component and chromium, in which, when mass concentrations of tungsten and chromium are measured at 100 or more analysis points randomly selected from a field of view of SEM observation of the tungsten carbide powder, a standard deviation ? of distribution of the ratio by percentage of the concentration of chromium to the total concentration of tungsten and chromium is 0.5 or less.Type: GrantFiled: April 21, 2020Date of Patent: July 26, 2022Assignee: SUMITOMO ELECTRIC INDUSTRIES, LTD.Inventors: Masato Michiuchi, Takamasa Onoki, Katsumi Okamura, Takayuki Fudo, Takehiko Hayashi
-
Patent number: 11339096Abstract: A tungsten carbide powder 1 includes bonded bodies 10 each including a plurality of tungsten carbide crystal grains 11, in which the bonded bodies 10 include, at a grain boundary 11a between the plurality of tungsten carbide crystal grains 11, a chromium-concentrated region 12 which has a chromium concentration higher than that in the tungsten carbide crystal grains 11.Type: GrantFiled: April 21, 2020Date of Patent: May 24, 2022Assignee: SUMITOMO ELECTRIC INDUSTRIES, LTD.Inventors: Masato Michiuchi, Takamasa Onoki, Katsumi Okamura, Takayuki Fudo, Takehiko Hayashi
-
Publication number: 20220144708Abstract: A tungsten carbide powder 1 includes bonded bodies 10 each including a plurality of tungsten carbide crystal grains 11, in which the bonded bodies 10 include, at a grain boundary 11a between the plurality of tungsten carbide crystal grains 11, a chromium-concentrated region 12 which has a chromium concentration higher than that in the tungsten carbide crystal grains 11.Type: ApplicationFiled: April 21, 2020Publication date: May 12, 2022Applicant: Sumitomo Electric Industries, Ltd.Inventors: Masato MICHIUCHI, Takamasa ONOKI, Katsumi OKAMURA, Takayuki FUDO, Takehiko HAYASHI
-
Patent number: 11312632Abstract: Provided is a tungsten carbide powder satisfying such a condition that when the Fsss particle size thereof is represented by a (?m) and the BET particle size thereof converted from the BET specific surface area is represented by b (?m), a is 0.40 ?m or more and 1.50 ?m or less, and b/a is 0.17 or more and 0.35 or less.Type: GrantFiled: October 12, 2017Date of Patent: April 26, 2022Assignee: A.L.M.T. Corp.Inventors: Takehiko Hayashi, Tomoyuki Ishida, Takahiro Yamakawa
-
Patent number: 11293082Abstract: A powder containing tungsten carbide has an Fsss particle size of greater than or equal to 0.3 ?m and less than or equal to 1.5 ?m, and a content rate of the tungsten carbide of greater than or equal to 90% by mass. The powder has a crystallite size (average particle diameter) Y satisfying a relational expression of Y?0.1×X+0.20 (X: the Fsss particle size of the power containing tungsten carbide).Type: GrantFiled: November 13, 2018Date of Patent: April 5, 2022Assignee: A.L.M.T. Corp.Inventors: Takayuki Fudo, Kazuo Sasaya, Takehiko Hayashi
-
Publication number: 20220089447Abstract: A tungsten carbide powder contains tungsten carbide as a main component and chromium, in which, when mass concentrations of tungsten and chromium are measured at 100 or more analysis points randomly selected from a field of view of SEM observation of the tungsten carbide powder, a standard deviation ? of distribution of the ratio by percentage of the concentration of chromium to the total concentration of tungsten and chromium is 0.5 or less.Type: ApplicationFiled: April 21, 2020Publication date: March 24, 2022Applicant: Sumitomo Electric Industries, Ltd.Inventors: Masato MICHIUCHI, Takamasa ONOKI, Katsumi OKAMURA, Takayuki FUDO, Takehiko HAYASHI
-
Publication number: 20210368138Abstract: A microscope system is provided with a microscope that acquires images at least at a first magnification and a second magnification higher than the first magnification, and a processor. The processor is configured to specify a type of a container in which a specimen is placed, and when starting observation of the specimen placed in the container at the second magnification, the processor is configured to specify a map region corresponding to a map image constructed by stitching together a plurality of second images acquired by the microscope at a higher magnification than the first magnification by performing object detection according to the type of the container on a first image that includes the container acquired by the microscope at the first magnification, and cause a display unit to display the first image and a range of the map region on the first image.Type: ApplicationFiled: May 19, 2021Publication date: November 25, 2021Applicant: OLYMPUS CORPORATIONInventors: Keita KOJIMA, Motohiro SHIBATA, Takehiko HAYASHI, Keigo MORI
-
Publication number: 20210364774Abstract: A microscope system is provided with a microscope that acquires images at least at a first magnification and a second magnification higher than the first magnification, and a processor. The processor is configured to specify a type of a container in which a specimen is placed, and when starting observation of the specimen placed in the container at the second magnification, the processor is configured to specify an observation start position by performing object detection according to the type of container on a first image that includes the container acquired by the microscope at the first magnification, and control a relative position of the microscope with respect to the specimen such that the observation start position is contained in a field of view at the second magnification of the microscope.Type: ApplicationFiled: May 19, 2021Publication date: November 25, 2021Applicant: OLYMPUS CORPORATIONInventors: Motohiro SHIBATA, Takehiko HAYASHI, Keita KOJIMA, Keigo MORI
-
Publication number: 20200392606Abstract: A powder containing tungsten carbide has an Fsss particle size of greater than or equal to 0.3 ?m and less than or equal to 1.5 ?m, and a content rate of the tungsten carbide of greater than or equal to 90% by mass. The powder has a crystallite size (average particle diameter) Y satisfying a relational expression of Y?0.1×X+0.20 (X: the Fsss particle size of the power containing tungsten carbide).Type: ApplicationFiled: November 13, 2018Publication date: December 17, 2020Applicant: A.L.M.T. Corp.Inventors: Takayuki FUDO, Kazuo SASAYA, Takehiko HAYASHI
-
Patent number: 10858252Abstract: A complex carbonitride powder contains Ti as a main component element and at least one additional element selected from the group consisting of Zr, Hf, V, Nb, Ta, Cr, Mo, W, Al, and Si. The complex carbonitride powder includes a plurality of complex carbonitride particles containing Ti and the additional element. The plurality of complex carbonitride particles include a plurality of homogeneous composition particles where average concentrations of Ti and the additional element in each complex carbonitride particle have a difference in a range of greater than or equal to ?5 atom % and less than or equal to 5 atom % from average concentrations of Ti and the additional element in the whole complex carbonitride powder. A cross-sectional area of the homogeneous composition particles is greater than or equal to 90% of a cross-sectional area of the complex carbonitride particles 1p.Type: GrantFiled: October 21, 2016Date of Patent: December 8, 2020Assignees: Sumitomo Electric Industries, Ltd., A.L.M.T. Corp.Inventors: Masato Michiuchi, Keiichi Tsuda, Yoshihiro Minato, Tomoyuki Ishida, Akihide Matsumoto, Takehiko Hayashi
-
Publication number: 20200346935Abstract: Provided is a tungsten carbide powder satisfying such a condition that when the Fsss particle size thereof is represented by a (?m) and the BET particle size thereof converted from the BET specific surface area is represented by b (?m), a is 0.40 ?m or more and 1.50 ?m or less, and b/a is 0.17 or more and 0.35 or less.Type: ApplicationFiled: October 12, 2017Publication date: November 5, 2020Applicant: A.L.M.T. Corp.Inventors: Takehiko HAYASHI, Tomoyuki ISHIDA, Takahiro YAMAKAWA
-
Patent number: 10782515Abstract: A microscope system includes: a stage on which an observation sample is mounted; an objective lens; a driving unit configured to drive the stage or the objective lens to change a distance between the stage and the objective lens; a light source configured to selectively irradiate the observation sample with one of autofocus detection light and excitation light; an irradiation region changing unit configured to change a region in which the observation sample is irradiated with light; a first mirror unit; a second mirror unit; a mirror arrangement unit configured to selectively arrange one of the first mirror unit and the second mirror unit on the optical axis; an imaging unit configured to capture the observation sample; a light intensity calculating unit configured to calculate light intensity; and a controller configured to adjust, based on a reference position, a distance between the observation subject and the objective lens.Type: GrantFiled: October 23, 2018Date of Patent: September 22, 2020Assignee: OLYMPUS CORPORATIONInventor: Takehiko Hayashi
-
Publication number: 20190121111Abstract: A microscope system includes: a stage on which an observation sample is mounted; an objective lens; a driving unit configured to drive the stage or the objective lens to change a distance between the stage and the objective lens; a light source configured to selectively irradiate the observation sample with one of autofocus detection light and excitation light; an irradiation region changing unit configured to change a region in which the observation sample is irradiated with light; a first mirror unit; a second mirror unit; a mirror arrangement unit configured to selectively arrange one of the first mirror unit and the second mirror unit on the optical axis; an imaging unit configured to capture the observation sample; a light intensity calculating unit configured to calculate light intensity; and a controller configured to adjust, based on a reference position, a distance between the observation subject and the objective lens.Type: ApplicationFiled: October 23, 2018Publication date: April 25, 2019Applicant: OLYMPUS CORPORATIONInventor: Takehiko HAYASHI
-
Publication number: 20190092638Abstract: A complex carbonitride powder contains Ti as a main component element and at least one additional element selected from the group consisting of Zr, Hf, V, Nb, Ta, Cr, Mo, W, Al, and Si. The complex carbonitride powder includes a plurality of complex carbonitride particles containing Ti and the additional element. The plurality of complex carbonitride particles include a plurality of homogeneous composition particles where average concentrations of Ti and the additional element in each complex carbonitride particle have a difference in a range of greater than or equal to ?5 atom % and less than or equal to 5 atom % from average concentrations of Ti and the additional element in the whole complex carbonitride powder. A cross-sectional area of the homogeneous composition particles is greater than or equal to 90% of a cross-sectional area of the complex carbonitride particles 1p.Type: ApplicationFiled: October 21, 2016Publication date: March 28, 2019Applicants: Sumitomo Electric Industries, Ltd., A.L.M.T. Corp.Inventors: Masato Michiuchi, Keiichi Tsuda, Yoshihiro Minato, Tomoyuki Ishida, Akihide Matsumoto, Takehiko Hayashi
-
Patent number: 7908450Abstract: A memory management unit manages a memory that stores a code, and sets that the memory that stores the code to be executed is valid to make a processor execute the code stores a verification key used to verify a validity of the code in a verification-key storing unit. When the code is stored in the memory and ready to be executed by the processor, the memory management unit verifies the validity of the code using the verification key stored in the verification-key storing unit and verification information assigned to the code. The memory management unit controls to set that the memory is valid when the validity is verified by the verifying unit, and not to set that the memory is valid when the validity is not verified by the verifying unit.Type: GrantFiled: September 14, 2004Date of Patent: March 15, 2011Assignee: Fujitsu LimitedInventors: Jun Kamada, Takayuki Hasebe, Souichi Okada, Takehiko Hayashi
-
Patent number: 7477742Abstract: A contents utilization control apparatus includes an input unit for inputting a) contents with control module that consist of contents and a control module, and b) a license with control module that consists of a license prepared from contents utilization approval information and a control module. The control module in the contents with control module and the control module in the license with control module cooperate with each other to carry out a control relating to the utilization of the contents.Type: GrantFiled: March 6, 2001Date of Patent: January 13, 2009Assignee: Fujitsu LimitedInventors: Bintatsu Noda, Seigo Kotani, Takehiko Hayashi, Jun Kamada
-
Patent number: D781946Type: GrantFiled: March 7, 2016Date of Patent: March 21, 2017Assignee: OLYMPUS CORPORATIONInventors: Yasuo Funakoshi, Takehiko Hayashi, Takayuki Kono