1
Katsuhiko Sakai, Atsuhiro Sengoku, Teruhiko Saitou: Circuit for asynchronously resetting synchronous circuit. Fujitsu, Arent Fox, November 11, 2008: US07449926 (13 worldwide citation)

A reset signal generation circuit for generating a reset signal synchronously or asynchronously to a clock signal in accordance with an operation state. An operation detection circuit detects operation of a CPU and generates an operation detection signal. A signal control circuit generates a first r ...


2
Katsuhiko Sakai, Atsuhiro Sengoku, Teruhiko Saitou: Reset signal generation circuit. Fujitsu Microelectronics, March 16, 2010: US07679411 (11 worldwide citation)

A reset signal generation circuit for generating a reset signal synchronously or asynchronously to a clock signal in accordance with an operation state. An operation detection circuit detects operation of a CPU and generates an operation detection signal. A signal control circuit generates a first r ...


3
Shinji Miyata, Kouji Okada, Masao Iijima, Teruhiko Saitou, Yukisato Miyazaki: Spread spectrum clock generation circuit, jitter generation circuit and semiconductor device. Fujitsu, Arent Fox PLLC, December 13, 2005: US06975148 (10 worldwide citation)

A spread spectrum clock generation circuit capable of further reducing the electromagnetic wave radiation with a simple configuration has been disclosed and, particularly in a spread spectrum clock generation circuit using a current control oscillator (ICO), a differential signal to which a spread s ...


4
Shinji Miyata, Kouji Okada, Masao Iijima, Teruhiko Saitou, Yukisato Miyazaki: Spread spectrum clock generation circuit, jitter generation circuit and semiconductor device. Fujitsu, Arent Fox PLLC, August 22, 2006: US07095260 (8 worldwide citation)

A spread spectrum clock generation circuit capable of further reducing the electromagnetic wave radiation with a simple configuration has been disclosed and, particularly in a spread spectrum clock generation circuit using a current control oscillator (ICO), a differential signal to which a spread s ...


5
Teruhiko Saitou: Reset control circuit and reset control method. Fujitsu, Arent Fox, July 29, 2008: US07405602 (4 worldwide citation)

To present a reset control circuit and a reset control method used in a system including clock synchronous circuit, capable of resetting appropriately, especially in case of abnormality, when the clock signal is stopped or its period is longer as compared with the reset response required for detecti ...


6
Teruhiko Saitou, Akihiro Ogasawara, Atsuhiro Sengoku: Semiconductor integrated circuit device with a test circuit that measures a period to select a test mode. Fujitsu Microelectronics, Arent Fox, April 14, 2009: US07518390 (1 worldwide citation)

A semiconductor integrated circuit device has a pair of oscillator terminals that is respectively provided with two oscillation signals having phases opposite to each other. An oscillator circuit provides an internal circuit with a system clock signal based on the oscillation signals. A mode detecti ...


7
Teruhiko Saitou, Akihiro Ogasawara, Atsuhiro Sengoku: Semiconductor integrated circuit device. Fujitsu, Arent Fox PLLC, August 1, 2006: US07084658 (1 worldwide citation)

A semiconductor integrated circuit device has a pair of oscillator terminals that is respectively provided with two oscillation signals having phases opposite to each other. An oscillator circuit provides an internal circuit with a system clock signal based on the oscillation signals. A mode detecti ...


8
Shinji Miyata, Kouji Okada, Masao Iijima, Teruhiko Saitou, Yukisato Miyazaki: Spread spectrum clock generation circuit, jitter generation circuit and semiconductor device. Fujitsu, Arent Fox Kintner Plotkin & Kahn, July 15, 2004: US20040136440-A1 (1 worldwide citation)

A spread spectrum clock generation circuit capable of further reducing the electromagnetic wave radiation with a simple configuration has been disclosed and, particularly in a spread spectrum clock generation circuit using a current control oscillator (ICO), a differential signal to which a spread s ...


9
Teruhiko Saitou: Apparatus and system for developing LSI. Fujitsu, Staas & Halsey, June 12, 2007: US07231613

A system for efficiently developing an LSI. A developing system includes a developing apparatus and a support center, which are connected to each other via the Internet. The host computer of the developing apparatus designs the software of a system LSI in accordance with a user's instruction. An emu ...


10
Teruhiko Saitou, Akihiro Ogasawara, Atsuhiro Sengoku: Semiconductor integrated circuit device. Fujitsu, Arent Fox Pllc, October 5, 2006: US20060220669-A1

A semiconductor integrated circuit device has a pair of oscillator terminals that is respectively provided with two oscillation signals having phases opposite to each other. An oscillator circuit provides an internal circuit with a system clock signal based on the oscillation signals. A mode detecti ...