Inventor

TANAGAWA KOUJI

JP16 patents

Patents

16 patents

US4969087ANov 6, 1990

Single-chip microcomputer

OKI ELECTRIC IND CO LTD64 citations96

US5119330AJun 2, 1992

Nonvolatile memory system for multiple value storing

OKI ELECTRIC IND CO LTD102 citations95

US5117380AMay 26, 1992

Random number generator driven by independent clock pulses asynchronously with system clock pulses

OKI ELECTRIC IND CO LTD44 citations92

US5068783ANov 26, 1991

Microcomputer having a built-in prom for storing an optional program

OKI ELECTRIC IND CO LTD25 citations92

US5059828AOct 22, 1991

Programmable logic array circuit having a gate to control an output condition state of a latch thereof

OKI ELECTRIC IND CO LTD22 citations92

US4788454ANov 29, 1988

Power-on reset circuit

OKI ELECTRIC IND CO LTD29 citations92

US4566111AJan 21, 1986

Watchdog timer

OKI ELECTRIC IND CO LTD45 citations92

US5339271AAug 16, 1994

Semiconductor memory circuit

OKI ELECTRIC IND CO LTD13 citations73

US5101483AMar 31, 1992

Instruction decoder simplification by reuse of bits to produce the same control states for different instructions

OKI ELECTRIC IND CO LTD15 citations73

US5088027AFeb 11, 1992

Single-chip microcomputer

OKI ELECTRIC IND CO LTD9 citations73

US5062075AOct 29, 1991

Microcomputer having security memory using test and destruction routines

OKI ELECTRIC IND CO LTD15 citations73

US4875156AOct 17, 1989

Computer having a protection device to selectively block incorrect control signals

OKI ELECTRIC IND CO LTD15 citations73

US6175881B1Jan 16, 2001

Microcontroller having a memory, a dedicated multitask memory, and switching circuit for selectively connecting the multitask memory to the internal or external bus

OKI ELECTRIC IND CO LTD4 citations62

US5337280AAug 9, 1994

EEPROM circuit

OKI ELECTRIC IND CO LTD6 citations62

US5231637AJul 27, 1993

Apparatus for testing a PLA by measuring a current consumed by the PLO when activated with known codes

OKI ELECTRIC IND CO LTD4 citations62

US4866608ASep 12, 1989

Microprocessor with improved execution of instructions

OKI ELECTRIC IND CO LTD1 citations51