Inventor

RYU HIDETOSHI

JP2 patents

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

YASKAWA DENKI SEISAKUSHO KK

1 patent

US6599095B1Jul 29, 2003

Pump-off control method of pump jack

YASKAWA DENKI SEISAKUSHO KK47 citations89

IWAHASHI KOJI

1 patent

US8918668B2Dec 23, 2014

Interface circuit, inverter device, inverter system, and transmitting and receiving method

IWAHASHI KOJI1 citations40