Patents by Inventor Sakae Itakura
Sakae Itakura 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).
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Patent number: 7003268Abstract: A portable radio telephone set provided with a display section includes a rotary selector which rotates to select various functions. A menu displayed on the display section is selected by the rotary selector during a non-conversation time, and the sound volume can be adjusted during the conversation time. The adjusting operation can be performed from both the front and the rear sides of the telephone set. The rotary selector and button keys are arranged within the operation range of the thumb, and ordinary dial functions performed by operating these rotary selector and button keys are provided.Type: GrantFiled: May 20, 2003Date of Patent: February 21, 2006Assignee: Hitachi, Ltd.Inventors: Takanori Nishiyama, Kazunori Yanagisawa, Sakae Itakura
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Publication number: 20050221865Abstract: A portable radio telephone set provided with a display section includes a rotary selector which rotates to select various functions. A menu displayed on the display section is selected by the rotary selector during a non-conversation time, and the sound volume can be adjusted during the conversation time. The adjusting operation can be performed from both the front and the rear sides of the telephone set. The rotary selector and button keys are arranged within the operation range of the thumb, and ordinary dial functions performed by operating these rotary selector and button keys are provided.Type: ApplicationFiled: June 6, 2005Publication date: October 6, 2005Inventors: Takanori Nishiyama, Kazunori Yanagisawa, Sakae Itakura
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Publication number: 20030194975Abstract: A portable radio telephone set provided with a display section includes a rotary selector which rotates to select various functions. A menu displayed on the display section is selected by the rotary selector during a non-conversation time, and the sound volume can be adjusted during the conversation time. The adjusting operation can be performed from both the front and the rear sides of the telephone set. The rotary selector and button keys are arranged within the operation range of the thumb, and ordinary dial functions performed by operating these rotary selector and button keys are provided.Type: ApplicationFiled: May 20, 2003Publication date: October 16, 2003Inventors: Takanori Nishiyama, Kazunori Yanagisawa, Sakae Itakura
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Patent number: 6628970Abstract: A portable radio telephone set provided with a display section includes a rotary selector which rotates to select various functions. A menu displayed on the display section is selected by the rotary selector during a non-conversation time, and the sound volume can be adjusted during the conversation time. The adjusting operation can be performed from both the front and the rear sides of the telephone set. The rotary selector and button keys are arranged within the operation range of the thumb, and ordinary dial functions performed by operating these rotary selector and button keys are provided.Type: GrantFiled: October 30, 2001Date of Patent: September 30, 2003Assignee: Hitachi, Ltd.Inventors: Takanori Nishiyama, Kazunori Yanagisawa, Sakae Itakura
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Publication number: 20020025830Abstract: A portable radio telephone set provided with a display section includes a rotary selector which turns to select various functions. A menu displayed on the display section is selected by the rotary selector during a non-conversation time and the sound volume can be adjusted during a conversation time. The adjusting operation can be performed from both the front and rear sides of the telephone set. The rotary selector and button keys are arranged within the operation range of the thumb, and ordinary dial functions performed by operating these rotary selector and button keys are provided.Type: ApplicationFiled: October 30, 2001Publication date: February 28, 2002Inventors: Takanori Nishiyama, Kazunori Yanagisawa, Sakae Itakura
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Patent number: 6334049Abstract: A portable radio telephone set provided with a display section includes a rotary selector which turns to select various functions. A menu displayed on the display section is selected by the rotary selector during a non-conversation time, and the sound volume can be adjusted during the conversation time. The adjusting operation can be performed from both the front and the rear sides of the telephone set. The rotary selector and button keys are arranged within the operation range of the thumb, and ordinary dial functions performed by operating these rotary selector and button keys are provided.Type: GrantFiled: May 26, 2000Date of Patent: December 25, 2001Assignee: Hitachi, Ltd.Inventors: Takanori Nishiyama, Kazunori Yanagisawa, Sakae Itakura
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Patent number: 6094586Abstract: A portable radio telephone set provided with a display section includes a rotary selector which turns to select various functions. A menu displayed on the display section is selected by the rotary selector during a non-conversation time, and the sound volume can be adjusted during the conversation time. The adjusting operation can be performed from both the front and the rear sides of the telephone set. The rotary selector and button keys are arranged within the operation range of the thumb, and ordinary dial functions performed by operating these rotary selector and button keys are provided.Type: GrantFiled: April 2, 1999Date of Patent: July 25, 2000Assignee: Hitachi, Ltd.Inventors: Takanori Nishiyama, Kazunori Yanagisawa, Sakae Itakura
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Patent number: 5937360Abstract: A portable radio telephone set provided with a display section includes a rotary selector which turns to select various functions. A menu displayed on the display section is selected by the rotary selector during a non-conversation time, and the sound volume can be adjusted during the conversation time. The adjusting operation can be performed from both the front and, the rear sides of the telephone set. The rotary selector and button keys are arranged within the operation range of the thumb, and ordinary dial functions performed by operating these rotary selector and button keys are provided.Type: GrantFiled: October 23, 1997Date of Patent: August 10, 1999Assignee: Hitachi, Ltd.Inventors: Takanori Nishiyama, Kazunori Yanagisawa, Sakae Itakura
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Patent number: 5742912Abstract: A portable radio telephone set provided with a display section includes a rotary selector which turns to select various functions. A menu displayed on the display section is selected by the rotary selector during a non-conversation time, and the sound volume can be adjusted during the conversation time. The adjusting operation can be performed from both the front and the rear sides of the telephone set. The rotary selector and button keys are arranged within the operation range of the thumb, and ordinary dial functions performed by operating these rotary selector and button keys are provided.Type: GrantFiled: January 18, 1995Date of Patent: April 21, 1998Assignee: Hitachi, Ltd.Inventors: Takanori Nishiyama, Kazunori Yanagisawa, Sakae Itakura
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Patent number: 5541813Abstract: A case houses a portable telephone apparatus having a display portion, an operating portion, a speaker portion and a microphone portion provided with respect to two main portions and a hinge portion which connects the main portions so as to be opened and closed. The case is formed of plastic molding. The hinge portion is formed of a soft resin having a resiliency, and the main portion is formed of a hard resin and integral with the hinge portion. A wiring member for provide an electric connection between the main portions extend through the hinge portion.Type: GrantFiled: April 26, 1995Date of Patent: July 30, 1996Assignee: Hitachi, Ltd.Inventors: Hideaki Satoh, Sakae Itakura, Kenichi Waragai
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Patent number: 5436954Abstract: A portable radio telephone set provided with a display section includes a rotary selector which turns to select various functions. A menu displayed on the display section is selected by the rotary selector during a non-conversation time, and the sound volume can be adjusted during the conversation time. The adjusting operation can be performed from both the front and the rear sides of the telephone set. The rotary selector and button keys are arranged within the operation range of the thumb, and ordinary dial functions performed by operating these rotary selector and button keys are provided.Type: GrantFiled: September 7, 1993Date of Patent: July 25, 1995Assignee: Hitachi, Ltd.Inventors: Takanori Nishiyama, Kazunori Yanagisawa, Sakae Itakura
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Patent number: 5432676Abstract: A case for housing an electronic apparatus has two main portions and a hinge portion which connects the main portions so as to be opened and closed. The case is formed of plastic molding. The hinge portion is formed of a soft resin having a resiliency, and the main portion is formed of a hard resin and integral with the hinge portion. A wiring member for provide an electric connection between the main portions extend through the hinge portion. The wiring member passes at a center of rotation on which the hinge portion is turned.Type: GrantFiled: March 9, 1993Date of Patent: July 11, 1995Assignee: Hitachi, Ltd.Inventors: Hideaki Satoh, Sakae Itakura, Kenichi Waragai
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Patent number: 4636919Abstract: A multilayer printed circuit board comprises: part terminal insertion holes and part terminal insertion lands formed at intersecting points between a first plurality of main reference grid lines extending in one direction and a second plurality of main reference grid lines extending in the other direction perpendicular to the one direction; at least two signal layers, one of the signal layers being constituted by first signal lines disposed on a plurality of ones of first subsidiary grid lines drawn parallelly with the first main reference grid lines on positions obtained by equidistantly dividing each gap between adjacent ones of the first main reference grid lines into n portions, the other one of the signal layers being constituted by second signal lines disposed on a plurality of ones of second subsidiary grid lines drawn parallelly with the second main reference grid lines on positions obtained by equidistantly dividing each gap between adjacent ones of the second main reference grid lines into n portionType: GrantFiled: February 12, 1986Date of Patent: January 13, 1987Assignee: Hitachi, Ltd.Inventors: Sakae Itakura, Osamu Morikawa