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Inventor

Masaki Kaizuka

Inventor
Kobe, JP

Overview

6→
Patents
2015–2017
Patent span
Chemistry
Primary field (CPC C)

Patents· 6 as inventor

Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.

C21Dprimary
C21DModifying the physical structure of ferrous metals38%
C22CAlloys38%
F16CShafts25%
PatentTitleYear
9,624,559'Bearing steel excellent in rolling-contact fatigue properties and method for producing same'20179,598,752'Bearing steel'20179,394,593'Bearing steel material with excellent rolling contact fatigue properties and a bearing part'20169,359,661'Bearing steel material with excellent rolling fatigue property and bearing part'20169,303,302'Steel with excellent rolling-contact fatigue properties'20169,090,959'Bearing steel excellent in cold workability and manufacturing method thereof'2015

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2015–2017Patents assigned to KOBE STEEL LTD (6)· patent assignee history
2015–2017Based in Kobe, JP· patent location history
2016–2017Patents assigned to KAIZUKA MASAKI (3)· patent assignee history
2016–2017Patents assigned to NAGAHAMA MUTSUHISA (2)· patent assignee history
2016Patents assigned to SHIMAMOTO MASAKI (1)· patent assignee history
2016Patents assigned to SUGIMURA TOMOKO (1)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
KOBE STEEL LTD62015–2017
KAIZUKA MASAKIself32016–2017
NAGAHAMA MUTSUHISA22016–2017
SHIMAMOTO MASAKI12016
SUGIMURA TOMOKO12016
Locations
LocationPatentsSpan
Kobe, JP62015–2017