101
Hashimoto Kiyokazu: Semiconductor device. NEC, January 28, 1994: JP1994-020482

PURPOSE: To enlarge the temperature margin of the write characteristic of a memory cell by making the output of a write voltage setting circuit a positive temperature characteristic. CONSTITUTION: In the write voltage setting circuit PG, VPP is applied to a control signal line WR, and OV is applied ...


102
Hashimoto Kiyokazu: Semiconductor memory device and method for reading out data the device. NEC, October 18, 1996: JP1996-273380

PURPOSE: To provide a multivalue memory in which the data can be read out accurately even at a low operating voltage. CONSTITUTION: A series of read operations is classified into three phases. In phase 1, a word line X is driven at 2.25V to activate a bias circuit 24 and a differential amplifier 21 ...


103
Ishikawa Kimiyasu, Hashimoto Kiyokazu: Semiconductor device. NEC, August 23, 1994: JP1994-236686

PURPOSE: To suppress the decrease of a step-down power supply voltage and to stabilize the operation of an internal circuit by detecting the change of an address value and compensating the level of power supply voltage to the internal circuit with a power supply voltage compensating circuit. CONSTIT ...


104
Hashimoto Kiyokazu: Nonvolatile semiconductor storage device. NEC, July 23, 1993: JP1993-182491

PURPOSE: To suppress a scale of a replacement circuit which replaces a defective cell with a redundant cell, even if numbers of sector increase. CONSTITUTION: When a storage element judged as a defective cell is included in any sector among the sector 1 to 8, a replacement circuit replaces a digit l ...


105
Hashimoto Kiyokazu: Nonvolatile semiconductor memory. NEC, July 23, 1993: JP1993-182499

PURPOSE: To provide a flash EEPROM with high reliability to a market by removing the tip of the flash EEPROM containing a memory cell whose erasing speed is fast abnormally as a defect at the functional checking stage of the tip. CONSTITUTION: A margin check voltage application control circuit apply ...


106
Hashimoto Kiyokazu: Cycloolefin polymer, method for producing the same, and optical component for blue lasers. Nippon Zeon, June 7, 2007: JP2007-138045

PROBLEM TO BE SOLVED: To provide a cycloolefin polymer which exhibits little reduction of light transmittance due to white turbidity or the like even when the accumulated irradiance level of a blue laser beam is increased at a wavelength of around 400 nm, a method producing such a cycloolefin polyme ...


107
Furuta Hiroshi, Hibino Kenji, Natsume Hidetaka, Jinbo Toshikatsu, Hashimoto Kiyokazu: Semiconductor integrated circuit device. NEC Electronics, September 7, 2006: JP2006-237101

PROBLEM TO BE SOLVED: To provide a semiconductor integrated circuit device of high ESD breakdown voltage while using a microfabricated element.SOLUTION: The semiconductor integrated circuit device comprises a power supply protection element 110 connected to the vicinity of a terminal, main wiring co ...


108
Hashimoto Kiyokazu, Furuta Hiroshi: Semiconductor storage device. NEC Electronics, March 18, 2004: JP2004-087047

PROBLEM TO BE SOLVED: To provide a semiconductor storage device of high reliability by enabling property fluctuations of a reference cell to be reduced by a simple circuit structure.SOLUTION: The semiconductor storage device has a plurality of reference cells for giving a reference voltage and, sinc ...


109
Kato Siro, Hashimoto Kiyokazu: Chrominance signal processing apparatus for vtr. Matsushita Electric Co, September 1, 1990: KR1019850002545

A variation component of a carrier angular frequency from a reference angular frequency signal which the carrier chrominace signal has by an APC circuit. Two reference angular frequency signals, the angular frequency difference signal and other similar signals which give necessary performance as a c ...


110
Otoshi Masaaki, Hashimoto Kiyokazu: Cellulose acylate film, method of producing the same, stretched cellulose acylate film and method of producing the same. Fuji Film Corporation, May 28, 2007: KR1020077006775

An unstretched cellulose acylate film hardly breakable upon stretching can be produced by melt film forming and as a result, a highly oriented stretched cellulose acylate film can be obtained. Using an extruder with a screw compression ratio of 2.5 to 4.5 and an L/D of 20 to 50, a cellulose acylate ...