Inventor

NAKAI HIROTAKA

JP6 patents

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

O K TRADING CO LTD

2 patents

US4886972ADec 12, 1989

Far infrared ray emitting body of a core material coated with an ultrafine powder

O K TRADING CO LTD35 citations88

US5098700AMar 24, 1992

Far infrared ray emitting, odor-absorbing material

O K TRADING CO LTD6 citations58

HITACHI ASTEMO LTD

2 patents

US11859584B2Jan 2, 2024

Solenoid valve control device

HITACHI ASTEMO LTD1 citations61

US11852093B2Dec 26, 2023

Control device for high-pressure fuel pump

HITACHI ASTEMO LTD0 citations50

ITAYA TAKAKI

1 patent

US9376982B2Jun 28, 2016

Control apparatus for fuel injector

ITAYA TAKAKI4 citations65

NAKAI HIROTAKA

1 patent

US9284929B2Mar 15, 2016

Electromagnetic fuel injection valve

NAKAI HIROTAKA1 citations44