Inventor

TOYOTAKE KOTARO

JP8 patents

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

SHINKO METAL PROD

2 patents

US9482302B2Nov 1, 2016

Process for manufacturing seamless steel pipe, hollow spring utilizing seamless steel pipe

SHINKO METAL PROD7 citations78

US10118208B2Nov 6, 2018

Hollow spring utilizing seamless steel pipe

SHINKO METAL PROD0 citations46

KOBE STEEL LTD

2 patents

US9429255B2Aug 30, 2016

Hollow seamless pipe for high-strength spring

KOBE STEEL LTD0 citations50

US9650704B2May 16, 2017

Seamless steel pipe for hollow spring

KOBE STEEL LTD0 citations49

SAKAE AKIRA

1 patent

US8801444B2Aug 12, 2014

Busbar and busbar manufacturing method

SAKAE AKIRA5 citations71

HATANO HITOSHI

1 patent

US9689051B2Jun 27, 2017

Hollow seamless pipe for high-strength springs

HATANO HITOSHI2 citations67

NHK SPRING CO LTD

1 patent

US10889878B2Jan 12, 2021

Alloy material, contact probe, and connection terminal

NHK SPRING CO LTD0 citations60

YAMAMOTO PRECIOUS METAL CO LTD

1 patent

US9804198B2Oct 31, 2017

Alloy material, contact probe, and connection terminal

YAMAMOTO PRECIOUS METAL CO LTD0 citations44