Inventor

HAMAKAWA KEITA

JP5 patents

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

NIDEC CORP

1 patent

US7830049B2Nov 9, 2010

Motor and disk drive using the same

NIDEC CORP23 citations91

JAPAN AVIATION ELECTRONICS IND LTD

1 patent

US12404659B2Sep 2, 2025

Measuring apparatus, measuring method and recording medium

JAPAN AVIATION ELECTRONICS IND LTD0 citations47

GS YUASA INT LTD

1 patent

US11296326B2Apr 5, 2022

Energy storage device and method for manufacturing the same

GS YUASA INT LTD0 citations45

Lithium Energy Japan

1 patent

US9793569B2Oct 17, 2017

Electric storage element

Lithium Energy Japan0 citations38

HAMAKAWA KEITA

1 patent

US8315010B2Nov 20, 2012

Spindle motor for disk drive with magnetic member and yoke fixed by adhesive agent

HAMAKAWA KEITA0 citations30