Patents by Inventor Kazuyoshi OOKI
Kazuyoshi OOKI 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: 11768328Abstract: A fusion splicer is disclosed. The fusion splicer includes a fusion splicing unit that fusion splices of optical fibers, a communication unit that communicates through wireless connection with an external terminal, and a setting unit that sets a fusion condition of the fusion splicing unit. The communication unit acquires information related to the fusion condition of the fusion splicing unit from the external terminal. The setting unit sets the fusion condition of the fusion splicing unit based on the acquired information related to the fusion condition. The fusion splicing unit fusion splices in accordance with the fusion condition set by the setting unit.Type: GrantFiled: August 12, 2022Date of Patent: September 26, 2023Assignee: SEI OPTIFRONTIER CO., LTD.Inventors: Takahiro Suzuki, Kazuyoshi Ooki, Hideaki Yusa
-
Publication number: 20230222649Abstract: A deterioration estimation method according to one embodiment is a deterioration estimation method for estimating deterioration of a blade of an optical fiber cutter that cuts an optical fiber. The deterioration estimation method includes a process of determining a state of an end face of the optical fiber cut by the blade and a process of estimating from a determination result for the end face whether or not the blade is deteriorated.Type: ApplicationFiled: April 30, 2021Publication date: July 13, 2023Inventors: Takahiro SUZUKI, Takaharu OHNISHI, Hideaki YUSA, Kazuyoshi OOKI
-
Publication number: 20230204859Abstract: A fusion splicing system according to one embodiment includes: first and second electrodes that fusion-splice optical fibers by discharge; a fusion splicing device that has a discharge circuit that outputs a control signal to the first electrode and receives a feedback signal of the control signal from the second electrode; and a deterioration determination unit that determines from a state of the feedback signal whether or not the first electrode and the second electrode are deteriorated.Type: ApplicationFiled: April 28, 2021Publication date: June 29, 2023Inventors: Takahiro SUZUKI, Kazuyoshi OOKI, Takaharu OHNISHI, Hideaki YUSA
-
Publication number: 20230185026Abstract: A fusion splicer according to the disclosure includes an imaging unit, a discrimination unit, and a splicing unit. The imaging unit images a pair of optical fibers and generates imaging data. The discrimination unit discriminates a type of each of a pair of optical fibers based on a plurality of feature amounts obtained from imaging data provided from the imaging unit. The discrimination unit adopts a discrimination result by any of first and second discrimination algorithms. The first discrimination algorithm is predetermined by a method other than machine learning. The second discrimination algorithm includes a discrimination model. The discrimination model is created by machine learning using sample data. The splicing unit fusion-splices the pair of optical fibers to each other under a splicing condition according to a combination of the types of pair of optical fibers based on a discrimination result in the discrimination unit.Type: ApplicationFiled: April 12, 2021Publication date: June 15, 2023Inventors: Takahiro SUZUKI, Kazuyoshi OOKI, Hideaki YUSA
-
Publication number: 20230126843Abstract: This fusion splicing system includes a model creation device and a plurality of fusion splicers. The model creation device creates a determination model by performing machine learning using sample data indicating a correspondence relationship between feature amounts obtained from imaging data of optical fibers and types of the optical fibers. Each fusion splicer has an imaging unit, a determination unit, and a splicing unit. The imaging unit generates imaging data. The determination unit inputs feature amounts to the determination model and determines a type of each of the pair of optical fibers. The splicing unit fusion splices the pair of optical fibers on splicing conditions based on determination results. The model creation device creates the determination model by classifying the plurality of fusion splicers into two or more groups each estimated to have similar tendencies in the imaging data and collecting the sample data for each group.Type: ApplicationFiled: April 12, 2021Publication date: April 27, 2023Inventors: Kazuyoshi OOKI, Takahiro SUZUKI, Hideaki YUSA
-
Publication number: 20230038405Abstract: An optical fiber fusion splicer includes an image acquisition unit, a condition setting unit, and a fusion splicing unit. The image acquisition unit acquires an image including each of end surfaces of first and second optical fibers that are splicing targets in a state where the end surfaces of the first and second optical fibers are disposed to face each other. The condition setting unit sets splicing conditions in accordance with a state of each of the end surfaces by identifying the state of each of the end surfaces on the basis of the image. The fusion splicing unit fusion-splices the first and second optical fibers together by means of discharge between a pair of electrode bars in accordance with the splicing conditions set by the condition setting unit.Type: ApplicationFiled: January 18, 2021Publication date: February 9, 2023Inventors: Takahiro SUWA, Kazufumi JOKO, Tomoyoshi SASAKI, Kazuyoshi OOKI
-
Patent number: 11553261Abstract: A system for releasing locking of a fusion splicer includes a fusion splicer, an information terminal, and a server. The fusion splicer locks a fusion-splicing function in accordance with a predetermined lock condition and releases the locked function in accordance with a release command input. The server includes a storage unit that stores authentication information provided by a user of the fusion splicer, a collation unit that collates authentication information provided from the information terminal with the authentication information stored in the storage unit, and a password issuance unit that issues a one-time password including at least a date in an algorithm when a collation result is favorable. The information terminal authenticates the one-time password in consideration of a day difference or a time difference between the information terminal and the server and applies the release command to the fusion splicer when an authentication result is favorable.Type: GrantFiled: December 24, 2019Date of Patent: January 10, 2023Assignee: SUMITOMO ELECTRIC OPTIFRONTIER CO., LTD.Inventors: Takahiro Suzuki, Kazuyoshi Ooki, Hideaki Yusa, Takaharu Ohnishi
-
Publication number: 20220381987Abstract: A fusion splicer is disclosed. The fusion splicer includes a fusion splicing unit that fusion splices of optical fibers, a communication unit that communicates through wireless connection with an external terminal, and a setting unit that sets a fusion condition of the fusion splicing unit. The communication unit acquires information related to the fusion condition of the fusion splicing unit from the external terminal. The setting unit sets the fusion condition of the fusion splicing unit based on the acquired information related to the fusion condition. The fusion splicing unit fusion splices in accordance with the fusion condition set by the setting unit.Type: ApplicationFiled: August 12, 2022Publication date: December 1, 2022Applicant: SEI OPTIFRONTIER CO., LTD.Inventors: Takahiro SUZUKI, Kazuyoshi OOKI, Hideaki YUSA
-
Publication number: 20220326442Abstract: A fusion splicing system includes a fusion splicer configured to perform fusion splicing of optical fibers, and a server configured to receive fusion splicing data pertaining to the fusion splicing from an information terminal capable of communicating with the fusion splicer, or the fusion splicer via a communication network. The fusion splicing data includes first identification information for identifying a project to which the fusion splicing belongs. The server retains second identification information related to a registered project registered in advance, compares the first identification information with the second identification information, and interrelates the fusion splicing data with the registered project indicated by the second identification information when the first identification information coincides with the second identification information.Type: ApplicationFiled: June 4, 2020Publication date: October 13, 2022Applicant: SUMITOMO ELECTRIC OPTIFRONTIER CO., LTD.Inventors: Takaharu OHNISHI, Kazuyoshi OOKI, Hideaki YUSA, Takahiro SUZUKI
-
Patent number: 11454761Abstract: A fusion splicer is disclosed. The fusion splicer includes a fusion splicing unit that fusion splices of optical fibers, a communication unit that communicates through wireless connection with an external terminal, and a setting unit that sets a fusion condition of the fusion splicing unit. The communication unit acquires information related to the fusion condition of the fusion splicing unit from the external terminal. The setting unit sets the fusion condition of the fusion splicing unit based on the acquired information related to the fusion condition. The fusion splicing unit fusion splices in accordance with the fusion condition set by the setting unit.Type: GrantFiled: December 13, 2018Date of Patent: September 27, 2022Assignee: SEI OPTIFRONTIER CO., LTD.Inventors: Takahiro Suzuki, Kazuyoshi Ooki, Hideaki Yusa
-
Publication number: 20220276440Abstract: A fusion splicing device includes a fusion splicing unit, a fusion splicing control unit, an imaging unit, and a notification unit. The fusion splicing unit fusion-splices optical fibers by discharge between a pair of electrode rods. The fusion splicing control unit controls an operation of the fusion splicing unit and has an operation mode for performing a discharge test. The imaging unit generates image data of a fusion spliced portion of the optical fibers. The notification unit notifies various kinds of information. The discharge test is to fusion-splice the optical fibers, to check a fusion-spliced state of the optical fibers on the basis of the image data, and to adjust a fusion splicing condition to be close to an optimum condition. When a predetermined start condition is satisfied, the fusion splicing control unit causes the notification unit to notify information for requesting execution of the discharge test.Type: ApplicationFiled: August 19, 2020Publication date: September 1, 2022Applicant: SUMITOMO ELECTRIC OPTIFRONTIER CO., LTD.Inventors: Kazuyoshi OOKI, Makoto MIYAMORI, Hideaki YUSA
-
Patent number: 11288938Abstract: A fusion splicer is capable of sensing whether or not the fusion splicer is in a stolen state in cooperation with a theft sensing device. The fusion splicer includes an authentication processing unit that authenticates the theft sensing device, a storage unit that stores identification information of the theft sensing device subjected to authentication processing, a decision unit that decides whether or not the fusion splicer is in a stolen state based on a communication condition with respect to the theft sensing device, a locking unit that locks at least a part of functions of the fusion splicer when it is decided that the fusion splicer is in a stolen state, a releasing unit that temporarily releases the locked function of the fusion splicer, and an input unit that receives an input of a release ID for releasing the locked state.Type: GrantFiled: July 5, 2018Date of Patent: March 29, 2022Assignee: SEI OPTIFRONTIER CO., LTD.Inventors: Kazuyoshi Ooki, Takahiro Suzuki
-
Publication number: 20220078534Abstract: A system for releasing locking of a fusion splicer includes a fusion splicer, an information terminal, and a server. The fusion splicer locks a fusion-splicing function in accordance with a predetermined lock condition and releases the locked function in accordance with a release command input. The server includes a storage unit that stores authentication information provided by a user of the fusion splicer, a collation unit that collates authentication information provided from the information terminal with the authentication information stored in the storage unit, and a password issuance unit that issues a one-time password including at least a date in an algorithm when a collation result is favorable. The information terminal authenticates the one-time password in consideration of a day difference or a time difference between the information terminal and the server and applies the release command to the fusion splicer when an authentication result is favorable.Type: ApplicationFiled: December 24, 2019Publication date: March 10, 2022Applicant: SUMITOMO ELECTRIC OPTIFRONTIER CO., LTD.Inventors: Takahiro SUZUKI, Kazuyoshi OOKI, Hideaki YUSA, Takaharu OHNISHI
-
Patent number: 11257335Abstract: Disclosed is a theft sensing system for sensing a theft of a fusion splicer by using an information terminal. The system includes a wireless communication unit that enables the fusion splicer to perform wireless communication with the information terminal, an authentication processing unit that performs an authentication process such that the fusion splicer and the information terminal are wirelessly connected to each other, an acquisition unit that acquires wireless situation data between the fusion splicer and the information terminal which are wirelessly connected to each other, a decision unit that decides whether the fusion splicer moves in a direction away from the information terminal based on a change in the wireless situation data acquired by the acquisition unit, and a notification unit that performs a predetermined notification process in the information terminal when the decision unit decides that the fusion splicer moves in the direction away from the information terminal.Type: GrantFiled: September 25, 2020Date of Patent: February 22, 2022Assignee: SEI OPTIFRONTIER CO., LTD.Inventors: Kazuyoshi Ooki, Makoto Miyamori
-
Publication number: 20220026638Abstract: An optical fiber fusion splicing method for performing fusion splicing through positioning of optical fibers to be spliced in a V-groove is provided. The optical fiber fusion splicing method includes pressing the optical fibers placed in the V-groove relatively toward the V-groove using a clamp, varying a clamp pressure of the clamp pressing the optical fibers, and moving the optical fibers placed in the V-groove with respect to the V-groove in an axial direction.Type: ApplicationFiled: December 13, 2019Publication date: January 27, 2022Applicant: SUMITOMO ELECTRIC OPTIFRONTIER CO., LTD.Inventors: Hiroki AKIYAMA, Makoto MIYAMORI, Kazuyoshi OOKI, Ryosuke MEO, Ryuichiro SATO, Hiroshi TAKAYANAGI
-
Publication number: 20220011515Abstract: A fusion splicing apparatus includes a fusion splicing unit, a clock unit that outputs a current date and time, and a fusion control unit that controls an operation of the fusion splicing unit and stops the operation of the fusion splicing unit when a remaining period of use known on the basis of the current date and time output from the clock unit and a usable period input from the outside in advance is zero or less. The fusion control unit records information on the number of times of electric discharge per unit period when the clock unit is normal and determines the remaining period of use assuming that the unit period has elapsed when the number of times of electric discharge has reached the number of times of electric discharge per unit period in a case in which an abnormality of the clock unit is detected.Type: ApplicationFiled: December 12, 2019Publication date: January 13, 2022Applicant: SUMITOMO ELECTRIC OPTIFRONTIER CO., LTD.Inventors: Kazuyoshi OOKI, Takahiro SUZUKI
-
Patent number: 10989875Abstract: A theft tracking system for tracking a stolen fusion splicer of fusion splicers each of which is wirelessly accessible.Type: GrantFiled: September 4, 2018Date of Patent: April 27, 2021Assignee: SEI OPTIFRONTIER CO., LTD.Inventors: Kazuyoshi Ooki, Takahiro Suzuki
-
Patent number: 10901723Abstract: A management system for managing updating of operating software of a plurality of fusion splicers to which unique identifiers are assigned respectively, is disclosed. The management system is provided with a receiving unit that receives identifiers from a plurality of fusion splicers through wireless signals, the identifiers being assigned to the respective fusion splicers, a determination unit that determines whether or not operating software of a fusion splicer assigned to an identifier received by the receiving unit is operating software to be updated, an acquisition unit that acquires operating software update information appropriate for the fusion splicer for which the operating software is determined by the determination unit to be operating software to be updated, and a transmitting unit that transmits the operating software update information appropriate for the individual fusion splicer acquired by the acquisition unit to the fusion splicer.Type: GrantFiled: October 16, 2017Date of Patent: January 26, 2021Assignee: SEI Optifrontier Co., Ltd.Inventors: Kazuyoshi Ooki, Makoto Miyamori
-
Publication number: 20210012630Abstract: Disclosed is a theft sensing system for sensing a theft of a fusion splicer by using an information terminal. The system includes a wireless communication unit that enables the fusion splicer to perform wireless communication with the information terminal, an authentication processing unit that performs an authentication process such that the fusion splicer and the information terminal are wirelessly connected to each other, an acquisition unit that acquires wireless situation data between the fusion splicer and the information terminal which are wirelessly connected to each other, a decision unit that decides whether the fusion splicer moves in a direction away from the information terminal based on a change in the wireless situation data acquired by the acquisition unit, and a notification unit that performs a predetermined notification process in the information terminal when the decision unit decides that the fusion splicer moves in the direction away from the information terminal.Type: ApplicationFiled: September 25, 2020Publication date: January 14, 2021Applicant: SEI OPTIFRONTIER CO., LTD.Inventors: Kazuyoshi OOKI, Makoto MIYAMORI
-
Publication number: 20200371492Abstract: A management system of a fusion splicer for selecting an appropriate maintenance base when the fusion splicer malfunctions. The management system includes a determination unit configured to determine a type of a failure mode of the fusion splicer, an acquisition unit configured to acquire position information of the fusion splicer, and a selection unit configured to select an appropriate maintenance base on the basis of the type of the failure mode determined by the determination unit and the position information of the fusion splicer acquired by the acquisition unit.Type: ApplicationFiled: December 12, 2018Publication date: November 26, 2020Applicant: SEI OPTIFRONTIER CO., LTD.Inventors: Takaharu OHNISHI, Kazuyoshi OOKI, Hideaki YUSA