Inventor

OGAWA RYUICHI

JP22 patents

⚠️ This page may combine multiple inventors who share the name “OGAWA RYUICHI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

OGAWA RYUICHI

SANYO ELECTRIC CO

Diversity receiver

Sound reproducer

Surround decoder

PLL circuit for generating output signal synchronized with input signal by switching frequency dividing ratio

FMX stereophonic broadcast receiver

FMX stereophonic receiver

FM/FMX stereophonic receiver

MEIDENSHA ELECTRIC MFG CO LTD

Power conversion system

Inverter system and inverter system control method

Power conversion system and method for controlling power conversion system

Power converter control system using fixed pulse pattern, and control method

Serial multiplex inverter control device

SHARP KK

IC card with built-in coprocessor for auxiliary arithmetic, and control method thereof

Microcomputer having built-in nonvolatile memory for simultaneous use as a program area and a data area

Microcomputer with function to output sound effects

OGAWA RYUICHI

Thin client system and method of implementing thin client system

Access control information generating system

Policy update apparatus, policy management system, policy update method, policy management method and recording medium

NEC CORP

Risk analysis device, risk analysis method and program storage medium

Multimedia scenario editor calculating estimated size and cost

NIPPON TELEGRAPH & TELEPHONE

1-chip microcomputer having controlled access to a memory and IC card using the 1-chip microcomputer

FUJI HEAVY IND LTD

Cutting tool for honeycomb core