Inventor

MURAYAMA HIROKI

JP9 patents

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

NEC CORP

4 patents

US7801491B2Sep 21, 2010

Wireless communication system and method

NEC CORP14 citations83

US7605702B2Oct 20, 2009

Article position management system, article position management method, terminal device, server, and article position management program

NEC CORP13 citations82

US4977470ADec 11, 1990

Track-following control system for magnetic disk drive

NEC CORP11 citations72

US7389938B2Jun 24, 2008

Radio communication system

NEC CORP2 citations61

TOSHIBA KK

2 patents

US10277026B2Apr 30, 2019

Power converter

TOSHIBA KK0 citations48

US10602601B2Mar 24, 2020

Creeping discharge element drive device and creeping discharge element drive method

TOSHIBA KK0 citations39

TANIGUCHI HIROKAZU

1 patent

US9096918B2Aug 4, 2015

Facility for production of high strength steel sheet or hot dip zinc coated high strength steel sheet excellent in elongation and hole expandability

TANIGUCHI HIROKAZU10 citations81

TIANMA JAPAN LTD

1 patent

US12270782B2Apr 8, 2025

Ion sensing device

TIANMA JAPAN LTD0 citations50

MURAYAMA HIROKI

1 patent

US9141133B2Sep 22, 2015

Information processing apparatus and display screen operating method for scrolling

MURAYAMA HIROKI1 citations43