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Inventor

Yuzuru Kataoka

Inventor
Tokyo, JP

Overview

6→
Patents
1990–2018
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 metals67%
C22CAlloys11%
F27DDetails or accessories of furnaces, kilns, ovens or retorts, in so far as they are of kinds occurring in more than one kind of furnace11%
F28FDetails of heat-exchange and heat-transfer apparatus, of general application11%
PatentTitleYear
10,100,380Rail cooling device20189,988,696Rail cooling method and rail cooling device20189,593,393'Rail heat treatment device and rail heat treatment method'20179,429,374'Rail cooling method'20165,209,792'High-strength, damage-resistant rail'19934,933,024'Method for manufacturing a high strength rail with good toughness'1990

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1990–1993Patents assigned to NIPPON KOKAN KK (2)· patent assignee history
1990–2018Based in Tokyo, JP· patent location history
1993Based in Hiroshima, JP· patent location history
2016–2018Patents assigned to JFE STEEL CORP (4)· patent assignee history
2016–2017Patents assigned to KATAOKA YUZURU (2)· patent assignee history
2016–2017Patents assigned to KOJO RINYA (2)· patent assignee history
2016–2017Patents assigned to MATSUOKA RYO (2)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
JFE STEEL CORP42016–2018
KATAOKA YUZURUself22016–2017
KOJO RINYA22016–2017
MATSUOKA RYO22016–2017
NIPPON KOKAN KK21990–1993
Locations
LocationPatentsSpan
Tokyo, JP51990–2018
Hiroshima, JP11993