Patents by Inventor Yoshikazu Tatsumi
Yoshikazu Tatsumi 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: 8921810Abstract: Described is a portable dosimeter reader that is small in size and light in weight.Type: GrantFiled: April 7, 2014Date of Patent: December 30, 2014Assignee: Landauer, Inc.Inventors: R. Craig Yoder, Mark S. Akselrod, Kent J. Dillin, Vasiliy V. Fomenko, David F. Johnson, Yoshikazu Tatsumi, Tse-Min Lo
-
Publication number: 20140217309Abstract: Described is a portable dosimeter reader that is small in size and light in weight.Type: ApplicationFiled: April 7, 2014Publication date: August 7, 2014Applicant: Landauer, Inc.Inventors: R. Craig YODER, Mark S. AKSELROD, Kent J. DILLIN, Vasiliy V. FOMENKO, David F. JOHNSON, Yoshikazu TATSUMI, Tse-Min LO
-
Patent number: 8785887Abstract: Described is a portable dosimeter reader that is small in size and light in weight.Type: GrantFiled: August 28, 2013Date of Patent: July 22, 2014Assignee: Landauer, Inc.Inventors: R. Craig Yoder, Mark S. Akselrod, Kent J. Dillin, Vasiliy V. Fomenko, David F. Johnson, Yoshikazu Tatsumi, Tse-Min Lo
-
Publication number: 20140183378Abstract: Described is a portable dosimeter reader that is small in size and light in weight.Type: ApplicationFiled: August 28, 2013Publication date: July 3, 2014Applicant: Landauer, Inc.Inventors: R. Craig YODER, Mark S. AKSELROD, Kent J. DILLIN, Vasiliy V. FOMENKO, David F. JOHNSON, Yoshikazu TATSUMI, Tse-Min LO
-
Patent number: 8648317Abstract: Described is a method comprising the following steps: (a) moving a selected optically stimulated luminescence (OSL) sensor of two or OSL sensors mounted on a dosimeter sled to a reading position for an OSL reader; (b) reading the selected OSL sensor at the reading position using the OSL reader to measure a radiation dosage to which a dosimeter in which the dosimeter sled has been mounted has been exposed; and (c) repeating steps (a) and (b) for each of the two or more OSL sensors, wherein each OSL sensor comprises an optically stimulated luminescent material (OSLM) mounted in one or more cylindrical cup-shaped energy compensating filters, and wherein the dosimeter sled is part of a dosimeter.Type: GrantFiled: April 9, 2010Date of Patent: February 11, 2014Assignee: Landauer, Inc.Inventors: R. Craig Yoder, Mark S. Akselrod, Yoshikazu Tatsumi, Tse-Min Lo
-
Publication number: 20130320239Abstract: Described is a dosimeter reader for reading a plurality of optically stimulated luminescence (OSL) sensors of a dosimeter sled and for reading an RFID tag on the dosimeter sled.Type: ApplicationFiled: August 2, 2013Publication date: December 5, 2013Applicant: LANDAUER, INC.Inventors: R. CRAIG YODER, YOSHIKAZU TATSUMI, TSE-MIN LO, MARK S. AKSELROD
-
Patent number: 8592782Abstract: Described is a device comprising a dosimeter reader including an RFID tag reader for retrieving and/or updating all or a portion of the data stored in the non-volatile memory of an RFID tag on a dosimeter sled that is part of a radiation dosimeter. Also described is a method retrieving and/or updating the data stored in the non-volatile memory of the RFID tag.Type: GrantFiled: April 9, 2010Date of Patent: November 26, 2013Assignee: Landauer, Inc.Inventors: R. Craig Yoder, Yoshikazu Tatsumi, Tse-Min Lo
-
Patent number: 8575572Abstract: A portable dosimeter reader device includes an optically stimulated luminescence (OSL) reader for reading one or more OSL sensors of a dosimeter sled; a sled slider that is driven by a sled slider motor to position in turn each of the one or more OSL sensors of the dosimeter sled at a reading position where the OSL reader reads each respective OSL sensor; a display for displaying information relating to reading the one or more OSL sensors; and a battery compartment for one or more batteries, wherein the OSL reader includes an LED light source, wherein the battery compartment is electrically connected to the OSL reader, the sled slider motor and the display, and wherein the one or more batteries provide all of the power required for operating the OSL reader, the sled slider motor and the display.Type: GrantFiled: March 13, 2013Date of Patent: November 5, 2013Assignee: Landauer, Inc.Inventors: R. Craig Yoder, Mark S. Akselrod, Kent J. Dillin, Vasiliy V. Fomenko, David F. Johnson, Yoshikazu Tatsumi, Tse-Min Lo
-
Patent number: 8563948Abstract: Described is a portable dosimeter reader that is small in size and light in weight comprising an optically stimulated luminescence (OSL) reader for reading one or more OSL sensors of a dosimeter sled. The portable dosimeter may also include a sled slider that is driven by an engine to position in turn each of the one or more OSL sensors of the dosimeter sled at a reading position where the OSL reader reads each respective OSL sensor. A display may be provided for displaying information relating to reading the one or more OSL sensors. The portable dosimeter may also include a battery compartment for one or more batteries and a case enclosing the device.Type: GrantFiled: March 13, 2013Date of Patent: October 22, 2013Assignee: Landauer, Inc.Inventors: R. Craig Yoder, Mark S. Akselrod, Kent J. Dillin, Vasiliy V. Fomenko, David F. Johnson, Yoshikazu Tatsumi, Tse-Min Lo
-
Patent number: 8552403Abstract: Described is a portable dosimeter reader device that is small in size and light in weight. The device comprises an optically stimulated luminescence (OSL) reader for reading one or more OSL sensors of a dosimeter and a dosimeter drawer slidably mounted in the device. The device further comprises an elevator carriage comprising a barrel with a barrel groove on an exterior side thereof, a loop retainer elevator including a tongue on an interior side thereof that travels in the barrel groove, a pinion gear mounted on the barrel, and a rack with rack teeth that engage pinion teeth of the pinion gear.Type: GrantFiled: April 8, 2011Date of Patent: October 8, 2013Assignee: Landauer, Inc.Inventors: R. Craig Yoder, Mark S. Akselrod, Kent J. Dillin, Vasiliy V. Fomenko, David F. Johnson, Yoshikazu Tatsumi, Tse-Min Lo
-
Patent number: 8541761Abstract: A radiation dosimeter including one or more optically stimulated luminescence (OSL) sensors.Type: GrantFiled: April 9, 2010Date of Patent: September 24, 2013Assignee: Landauer, Inc.Inventors: R. Craig Yoder, Yoshikazu Tatsumi, Tse-Min Lo, Mark S. Akselrod
-
Patent number: 8541749Abstract: Described is a dosimeter reader for reading a plurality of optically stimulated luminescence (OSL) sensors of a dosimeter sled and for reading an RFID tag on the dosimeter sled.Type: GrantFiled: April 9, 2010Date of Patent: September 24, 2013Assignee: Landauer, Inc.Inventors: R. Craig Yoder, Yoshikazu Tatsumi, Tse-Min Lo, Mark S. Akselrod
-
Patent number: 8530862Abstract: Described is an optically stimulated luminescence (OSL) sensor comprising one or more cylindrical cup-shaped filters.Type: GrantFiled: February 17, 2012Date of Patent: September 10, 2013Inventors: R. Craig Yoder, Yoshikazu Tatsumi, Tse-Min Lo, Mark S. Akselrod
-
Publication number: 20130200278Abstract: Described is a portable dosimeter reader that is small in size and light in weight.Type: ApplicationFiled: March 13, 2013Publication date: August 8, 2013Applicant: Landauer, Inc.Inventors: R. Craig YODER, Mark S. AKSELROD, Kent J. DILLIN, Vasiliy V. FOMENKO, David F. JOHNSON, Yoshikazu TATSUMI, Tse-Min LO
-
Publication number: 20130193348Abstract: Described is a portable dosimeter reader that is small in size and light in weight.Type: ApplicationFiled: March 13, 2013Publication date: August 1, 2013Applicant: Landauer, Inc.Inventors: R. Craig YODER, Mark S. AKSELROD, Kent J. DILLIN, Vasiliy V. FOMENKO, David F. JOHNSON, Yoshikazu TATSUMI, Tse-Min LO
-
Patent number: 8476604Abstract: Described is an optically stimulated luminescence (OSL) sensor comprising one or more cylindrical cup-shaped filters.Type: GrantFiled: May 3, 2012Date of Patent: July 2, 2013Assignee: Landauer, Inc.Inventors: R. Craig Yoder, Yoshikazu Tatsumi, Tse-Min Lo, Mark S. Akselrod
-
Patent number: 8373142Abstract: Described is a slidable dosimeter sled for a radiation dosimeter.Type: GrantFiled: April 9, 2010Date of Patent: February 12, 2013Assignee: Landauer, Inc.Inventors: R. Craig Yoder, Yoshikazu Tatsumi
-
Publication number: 20110168919Abstract: Described is a slidable dosimeter sled for a radiation dosimeter.Type: ApplicationFiled: April 9, 2010Publication date: July 14, 2011Applicant: Landauer, Inc.Inventors: R. Craig Yoder, Yoshikazu Tatsumi
-
Publication number: 20110168922Abstract: Described is a radiation dosimeter including one or more optically stimulated luminescence (OSL) sensors.Type: ApplicationFiled: April 9, 2010Publication date: July 14, 2011Applicant: Landauer, Inc.Inventors: R. Craig YODER, Yoshikazu Tatsumi
-
Patent number: 5950296Abstract: An unlocking tool for opening a container operates by the action of a lever. The container includes a first half and a second half connected to each other for rotation. The first half includes a latch finger, and the second half has a hole for receiving the latch finger and engaging with it to keep the container closed. The second half also includes a second hole adjacent to the first hole for suspension of said container. The unlocking tool of the invention functions as a lever along which the tool has an effort point, a fulcrum and an acting point. The tool is formed to pass in part through the second hole of the second half and rotate around the fulcrum positioned in the second hole. When the tool is rotated around the fulcrum positioned in the second hole, the acting point of the tool urges the latch finger to release the engagement between the latch finger and the first hole of the second member, thereby opening the container.Type: GrantFiled: November 21, 1997Date of Patent: September 14, 1999Assignee: Matsushita Industrial Equipment Corp. of AmericaInventors: Yoshikazu Tatsumi, Lucian Predescu