Inventor

IGARASHI KEISUKE

JP9 patents

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

HITACHI LTD

2 patents

US6194993B1Feb 27, 2001

Reader and/or writer apparatus, power feeding system, and communication system

HITACHI LTD89 citations97

US6608550B2Aug 19, 2003

Reader and/or writer apparatus, power feeding system, and communication system

HITACHI LTD34 citations92

HITACHI HIGH TECH CORP

2 patents

US12368017B2Jul 22, 2025

Charged particle beam apparatus and focus adjusting method therefor

HITACHI HIGH TECH CORP0 citations58

US12170184B2Dec 17, 2024

Transmission electron microscope and inspection method using transmission electron microscope

HITACHI HIGH TECH CORP0 citations43

HITACHI INT ELECTRIC INC

1 patent

US6595418B1Jul 22, 2003

Enhanced article management system and method

HITACHI INT ELECTRIC INC55 citations93

IGARASHI KEISUKE

1 patent

US8063326B2Nov 22, 2011

Illuminating structure of key operating unit, electronic apparatus, portable apparatus, and illuminating method of key operating unit

IGARASHI KEISUKE14 citations77

KUBOTA KK

1 patent

US12114624B2Oct 15, 2024

Utility work device

KUBOTA KK0 citations61

UNIV WASEDA

1 patent

US10845323B2Nov 24, 2020

Ion sensor, ion concentration measurement method, and electronic component

UNIV WASEDA1 citations54

MITSUBISHI ELECTRIC CORP

1 patent

US12391168B2Aug 19, 2025

Headlight device

MITSUBISHI ELECTRIC CORP0 citations50