Inventor

HIRAI MASAKI

JP4 patents

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

SEIKO EPSON CORP

2 patents

USD686981SJul 30, 2013

Battery pack

SEIKO EPSON CORP50 citations96

USD727254SApr 21, 2015

Battery pack

SEIKO EPSON CORP32 citations93

HITACHI LTD

1 patent

US7010718B2Mar 7, 2006

Method and system for supporting network system troubleshooting

HITACHI LTD34 citations91

JFE STEEL CORP

1 patent

US12318826B2Jun 3, 2025

Cold-rolled steel strip manufacturing facility and method for manufacturing cold-rolled steel strip

JFE STEEL CORP0 citations44