Patents by Inventor Yoshiaki Shoji
Yoshiaki Shoji 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).
-
Patent number: 11873822Abstract: A centrifugal compressor includes a rotary shaft having a plurality of impellers and a casing having an intermediate discharge port. The casing has a plurality of diaphragms, an external casing, a return flow path that guides a flow direction of a working fluid to an inner side in a radial direction, and an intermediate scroll that guides part of the working fluid discharged from the impeller in an intermediate stage to the intermediate discharge port. The intermediate scroll has a scroll flow path formed on a second side in the axial direction with respect to the return flow path, and an introduction portion connecting the return flow path and the scroll flow path, and an outer flow path forming surface of the scroll flow path is formed by a casing inner peripheral surface facing an inner side of the external casing in the radial direction.Type: GrantFiled: January 30, 2023Date of Patent: January 16, 2024Assignee: MITSUBISHI HEAVY INDUSTRIES COMPRESSOR CORPORATIONInventors: Akihiro Nakaniwa, Jo Masutani, Shinichiro Tokuyama, Yoshiaki Shoji
-
Publication number: 20230281273Abstract: A reliability determination system according to an embodiment of the present disclosure includes a measurement unit, a determination unit, and a storage unit. The measurement unit measures a movement of a center of gravity of an operator who inputs data. The determination unit determines the reliability of the input data using a result of the measurement of the movement of the center of gravity of the operator inputting the data. The storage unit stores the reliability in association with the input data.Type: ApplicationFiled: June 12, 2020Publication date: September 7, 2023Inventors: Yoshiaki Shoji, Hiroshi Yoshida, Masanobu Sakamoto, Tomoko SHIBATA
-
Publication number: 20230258190Abstract: A centrifugal compressor includes a rotary shaft having a plurality of impellers and a casing having an intermediate discharge port. The casing has a plurality of diaphragms, an external casing, a return flow path that guides a flow direction of a working fluid to an inner side in a radial direction, and an intermediate scroll that guides part of the working fluid discharged from the impeller in an intermediate stage to the intermediate discharge port. The intermediate scroll has a scroll flow path formed on a second side in the axial direction with respect to the return flow path, and an introduction portion connecting the return flow path and the scroll flow path, and an outer flow path forming surface of the scroll flow path is formed by a casing inner peripheral surface facing an inner side of the external casing in the radial direction.Type: ApplicationFiled: January 30, 2023Publication date: August 17, 2023Applicant: MITSUBISHI HEAVY INDUSTRIES COMPRESSOR CORPORATIONInventors: Akihiro Nakaniwa, Jo Masutani, Shinichiro Tokuyama, Yoshiaki Shoji
-
Patent number: 11677068Abstract: An electrode active material for a nonaqueous secondary battery comprising: an alkali metal-transition metal composite oxide particles, a hole-doped graphene with an anion. The electrode active material for a nonaqueous secondary battery may be manufactured by a method which includes obtaining a hole-doped graphene by bringing a graphene raw material into contact with a two-coordinate boron cation, and bringing the hole-doped graphene into contact with an alkali metal-transition metal composite oxide particle.Type: GrantFiled: November 10, 2021Date of Patent: June 13, 2023Assignees: TOKYO INSTITUTE OF TECHNOLOGY, NICHIA CORPORATIONInventors: Takanori Fukushima, Yoshiaki Shoji, Hiroaki Takahashi, Takefumi Sumitomo, Akihiro Tokai
-
Patent number: 11378096Abstract: A centrifugal compressor includes: an impeller fixed on an outer periphery of a rotary shaft; a diffuser disposed at a radially outer side of the impeller; a casing accommodating the impeller and the diffuser; a scroll flow passage connected to an outlet of the diffuser, the scroll flow passage being formed into a scroll shape by a scroll inner peripheral wall and a scroll outer peripheral wall positioned at a radially outer side of the scroll inner peripheral wall; and a discharge pipe connected to the casing so as to form a discharge flow passage for guiding a fluid from the scroll flow passage to outside of the casing. The scroll inner peripheral wall is positioned at an inner side, in a radial direction, of the outlet of the diffuser, and the discharge pipe includes an inner wall surface which has a radially inner region.Type: GrantFiled: February 27, 2019Date of Patent: July 5, 2022Assignee: MITSUBISHI HEAVY INDUSTRIES COMPRESSOR CORPORATIONInventors: Shuichi Yamashita, Jo Masutani, Yoshiaki Shoji
-
Publication number: 20220156672Abstract: An information processing apparatus according to an embodiment includes: a registration processing unit configured to register, in a storage device, a work node made up of basic blocks, corresponding to respective processes, connected to each other by a link, the work node including a first node indicating a device/tool used by a worker for performing their work, a second node indicating the worker, a third node indicating a process that is a unit of the work activity, and a fourth node indicating a work target object of the worker in the process; and an analysis processing unit configured to execute analysis processing of analyzing at least one of a history of a work activity performed by a predetermined worker, a history of a work activity performed on a predetermined work target object, and a history indicating a worker and a work target object related to a predetermined work, based on the work node registered in the storage device by the registration processing unit.Type: ApplicationFiled: February 21, 2020Publication date: May 19, 2022Applicant: NIPPON TELEGRAPH AND TELEPHONE CORPORATIONInventors: Yoshiaki SHOJI, Masateru INOUE, Tomoko SHIBATA, Hiroshi YOSHIDA
-
Publication number: 20220069288Abstract: An electrode active material for a nonaqueous secondary battery comprising: an alkali metal-transition metal composite oxide particles, a hole-doped graphenewith an anion. The electrode active material for a nonaqueous secondary battery may be manufactured by a method which includes obtaining a hole-doped graphene by bringing a graphene raw material into contact with a two-coordinate boron cation, and bringing the hole-doped graphene into contact with an alkali metal-transition metal composite oxide particle.Type: ApplicationFiled: November 10, 2021Publication date: March 3, 2022Applicants: TOKYO INSTITUTE OF TECHNOLOGY, NICHIA CORPORATIONInventors: Takanori FUKUSHIMA, Yoshiaki SHOJI, Hiroaki TAKAHASHI, Takefumi SUMITOMO, Akihiro TOKAI
-
Patent number: 11201322Abstract: An electrode active material for a nonaqueous secondary battery comprising: an alkali metal-transition metal composite oxide particles, a hole-doped graphene with an anion. The electrode active material for a nonaqueous secondary battery may be manufactured by a method which includes obtaining a hole-doped graphene by bringing a graphene raw material into contact with a two-coordinate boron cation, and bringing the hole-doped graphene into contact with an alkali metal-transition metal composite oxide particle.Type: GrantFiled: July 24, 2018Date of Patent: December 14, 2021Assignees: TOKYO INSTITUTE OF TECHNOLOGY, NICHIA CORPORATIONInventors: Takanori Fukushima, Yoshiaki Shoji, Hiroaki Takahashi, Takefumi Sumitomo, Akihiro Tokai
-
Publication number: 20210239129Abstract: A centrifugal compressor includes: an impeller fixed on an outer periphery of a rotary shaft; a diffuser disposed at a radially outer side of the impeller; a casing accommodating the impeller and the diffuser; a scroll flow passage connected to an outlet of the diffuser, the scroll flow passage being formed into a scroll shape by a scroll inner peripheral wall and a scroll outer peripheral wall positioned at a radially outer side of the scroll inner peripheral wall; and a discharge pipe connected to the casing so as to form a discharge flow passage for guiding a fluid from the scroll flow passage to outside of the casing. The scroll inner peripheral wall is positioned at an inner side, in a radial direction, of the outlet of the diffuser, and the discharge pipe includes an inner wall surface which has a radially inner region.Type: ApplicationFiled: February 27, 2019Publication date: August 5, 2021Applicant: MITSUBISHI HEAVY INDUSTRIES COMPRESSOR CORPORATIONInventors: Shuichi Yamashita, Jo Masutani, Yoshiaki Shoji
-
Patent number: 11047393Abstract: A multi-stage centrifugal compressor includes: a rotary shaft that is configured to rotate around an axis; a plurality of stages of impellers that are fixed to the rotary shaft and are configured to integrally rotate to compress and deliver a fluid, which flows into the impellers from an upstream side in an axial direction, to a radial outer side; a casing including a return flow path that is configured to guide the fluid, which is compressed and delivered from an impeller on a preceding stage side, toward a radial inner side, and an introduction flow path that is connected to a downstream side of the return flow path and is configured to divert the fluid and introduce the fluid to an impeller on a succeeding stage side; and return vanes that are arranged in the return flow path while being spaced apart from each other in a circumferential direction.Type: GrantFiled: November 29, 2018Date of Patent: June 29, 2021Assignee: MITSUBISHI HEAVY INDUSTRIES COMPRESSOR CORPORATIONInventors: Shuichi Yamashita, Akihiro Nakaniwa, Yoshiaki Shoji
-
Publication number: 20210190078Abstract: A multi-stage centrifugal compressor includes: a rotary shaft that is configured to rotate around an axis; a plurality of stages of impellers that are fixed to the rotary shaft and are configured to integrally rotate to compress and deliver a fluid, which flows into the impellers from an upstream side in an axial direction, to a radial outer side; a casing including a return flow path that is configured to guide the fluid, which is compressed and delivered from an impeller on a preceding stage side, toward a radial inner side, and an introduction flow path that is connected to a downstream side of the return flow path and is configured to divert the fluid and introduce the fluid to an impeller on a succeeding stage side; and return vanes that are arranged in the return flow path while being spaced apart from each other in a circumferential direction.Type: ApplicationFiled: November 29, 2018Publication date: June 24, 2021Applicant: MITSUBISHI HEAVY INDUSTRIES COMPRESSOR CORPORATIONInventors: Shuichi Yamashita, Akihiro Nakaniwa, Yoshiaki Shoji
-
Patent number: 10961125Abstract: Provided are an sp2 carbon-containing composition that is highly conductive and that excels in the stability of conductivity over time, a method of manufacturing the sp.sup.2 carbon-containing composition, and a method of peeling graphite to obtain a graphene-containing composition. Further provided are a graphene quantum dot-containing composition and a method of manufacturing the graphene quantum dot-containing composition that provides an improvement in the productivity and the manufacturing cost. A method of manufacturing an sp2 carbon-containing composition according to the present disclosure includes a contact step of bringing a two-coordinate boron cation salt into contact with an sp.sup.2 carbon. Preferable examples of the two-coordinate boron cation include one expressed by the following formula (1). R1—B—R2 Formula (1) [In the formula, R.sup.1 and R.sup.Type: GrantFiled: February 15, 2017Date of Patent: March 30, 2021Assignees: TOKYO INSTITUTE OF TECHNOLOGY, NICHIA CORPORATIONInventors: Takanori Fukushima, Yoshiaki Shoji, Hiroaki Takahashi
-
Patent number: 10865799Abstract: A centrifugal compression test device includes a flow path forming section and an inlet space forming section. The flow path forming section forms an introduction flow path, an inlet flow path, and an interstage inflow path. The introduction flow path guides a fluid from the outside toward the inside in the radial direction. The inlet flow path is connected to the introduction flow path. The interstage inflow path extends from the outside toward the inside in the radial direction and is connected to the inlet flow path. The inlet space forming section is formed an annular shape having an introduction opening section through which a fluid is introduced from a part in the circumferential direction and the outside in the radial direction at the first side of the introduction flow path. Further, a front end of the introduction flow path is connected to the inlet space forming section.Type: GrantFiled: March 15, 2017Date of Patent: December 15, 2020Assignee: MITSUBISHI HEAVY INDUSTRIES COMPRESSOR CORPORATIONInventors: Shuichi Yamashita, Akihiro Nakaniwa, Masahiro Ishikawa, Yoshiaki Shoji
-
Patent number: 10801506Abstract: A fixing bolt for a stationary member, the bolt extending through and fixing a plurality of stationary members in a multistage centrifugal compressor, includes a head portion, a columnar portion connected to the head portion, and a threaded portion connected to the columnar portion. The columnar portion includes one or more large diameter parts and a plurality of small diameter parts, the one or more large diameter parts each corresponding to a position of an antinode of a primary vibration mode of the fixing bolt for the stationary member, or to the position of the antinode of the primary vibration mode and positions of antinodes of a secondary vibration mode of the fixing bolt for the stationary member, and each of the plurality of small diameter parts having a diameter smaller than each of the large diameter parts.Type: GrantFiled: November 27, 2015Date of Patent: October 13, 2020Assignee: MITSUBISHI HEAVY INDUSTRIES COMPRESSOR CORPORATIONInventor: Yoshiaki Shoji
-
Publication number: 20200176756Abstract: An electrode active material for a nonaqueous secondary battery comprising: an alkali metal-transition metal composite oxide particles, a hole-doped graphene with an anion. The electrode active material for a nonaqueous secondary battery may be manufactured by a method which includes obtaining a hole-doped graphene by bringing a graphene raw material into contact with a two-coordinate boron cation, and bringing the hole-doped graphene into contact with an alkali metal-transition metal composite oxide particle.Type: ApplicationFiled: July 24, 2018Publication date: June 4, 2020Applicants: TOKYO INSTITUTE OF TECHNOLOGY, NICHIA CORPORATIONInventors: Takanori FUKUSHIMA, Yoshiaki SHOJI, Hiroaki TAKAHASHI, Takefumi SUMITOMO, Akihiro TOKAI
-
Patent number: 10305052Abstract: The present invention pertains to: a Janus-type triptycene derivative which is capable of forming a self-assembled film which does not depend on the material quality of a substrate; a self-assembled film using said Janus-type triptycene derivative; a structure having said film on a surface thereof; a method for manufacturing said film; and an electronic device using said method.Type: GrantFiled: July 15, 2015Date of Patent: May 28, 2019Assignee: JAPAN SCIENCE AND TECHNOLOGY AGENCYInventors: Takanori Fukushima, Yoshiaki Shoji, Fumitaka Ishiwari, Tsuyoshi Sekitani, Takao Someya
-
Publication number: 20190047868Abstract: Provided are an sp2 carbon-containing composition that is highly conductive and that excels in the stability of conductivity over time, a method of manufacturing the sp2 carbon-containing composition, and a method of peeling graphite to obtain a graphene-containing composition. Further provided are a graphene quantum dot-containing composition and a method of manufacturing the graphene quantum dot-containing composition that provides an improvement in the productivity and the manufacturing cost. A method of manufacturing an sp2 carbon-containing composition according to the present disclosure includes a contact step of bringing a two-coordinate boron cation salt into contact with an sp2 carbon. Preferable examples of the two-coordinate boron cation include one expressed by the following formula (1).Type: ApplicationFiled: February 15, 2017Publication date: February 14, 2019Applicants: TOKYO INSTITUTE OF TECHNOLOGY, NICHIA CORPORATIONInventors: Takanori FUKUSHIMA, Yoshiaki SHOJI, Hiroaki TAKAHASHI
-
Publication number: 20190032670Abstract: A centrifugal compression test device includes a flow path forming section and an inlet space forming section. The flow path forming section forms an introduction flow path, an inlet flow path, and an interstage inflow path. The introduction flow path guides a fluid from the outside toward the inside in the radial direction. The inlet flow path is connected to the introduction flow path. The interstage inflow path extends from the outside toward the inside in the radial direction and is connected to the inlet flow path. The inlet space forming section is formed an annular shape having an introduction opening section through which a fluid is introduced from a part in the circumferential direction and the outside in the radial direction at the first side of the introduction flow path. Further, a front end of the introduction flow path is connected to the inlet space forming section.Type: ApplicationFiled: March 15, 2017Publication date: January 31, 2019Applicant: MITSUBISHI HEAVY INDUSTRIES COMPRESSOR CORPORATIONInventors: Shuichi Yamashita, Akihiro Nakaniwa, Masahiro Ishikawa, Yoshiaki Shoji
-
Publication number: 20180306194Abstract: A fixing bolt for a stationary member, the bolt extending through and fixing a plurality of stationary members in a multistage centrifugal compressor, includes a head portion, a columnar portion connected to the head portion, and a threaded portion connected to the columnar portion. The columnar portion includes one or more large diameter parts and a plurality of small diameter parts, the one or more large diameter parts each corresponding to a position of an antinode of a primary vibration mode of the fixing bolt for the stationary member, or to the position of the antinode of the primary vibration mode and positions of antinodes of a secondary vibration mode of the fixing bolt for the stationary member, and each of the plurality of small diameter parts having a diameter smaller than each of the large diameter parts.Type: ApplicationFiled: November 27, 2015Publication date: October 25, 2018Applicant: MITSUBISHI HEAVY INDUSTRIES COMPRESSOR CORPORATIONInventor: Yoshiaki Shoji
-
Patent number: 9825232Abstract: The present invention provides a high-performance, highly homogeneous, highly stable electronic device by forming an extremely uniform interface between an insulator and an organic semiconductor, as well as an electronic apparatus using the same. The present invention relates to an electronic device which contains, as a component, an organic thin film in which a geometric two-dimensional arrangement is formed regularly by interdigitating skeletal structures of a positive three-pronged shape of triptycene and by adding a first molecule extending out of one plane of a two-dimensional molecular structure of the triptycene skeletal structure. The invention also relates to an electronic apparatus and the like which contains the electronic device in the interior of the electronic apparatus.Type: GrantFiled: August 21, 2013Date of Patent: November 21, 2017Assignee: JAPAN SCIENCE AND TECHNOLOGY AGENCYInventors: Takanori Fukushima, Yoshiaki Shoji, Fumitaka Ishiwari, Tsuyoshi Sekitani, Takao Someya