Inventor

Yasuhiro Ehara

Inventor
Tokyo, JP

Overview

6→
Patents
1990–2021
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.

C02Fprimary
C02FTreatment of water, waste water, sewage, or sludge20%
C22CAlloys20%
B22DCasting of metals13%
C01BNon-metallic elements13%
C21DModifying the physical structure of ferrous metals13%
F01NGas-flow silencers or exhaust apparatus for machines or engines in general7%
F16LPipes7%
Y02PClimate change mitigation technologies in the production or processing of goods7%

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1990–1995Patents assigned to SUIDO KIKO KK (3)· patent assignee history
1990–2021Based in Tokyo, JP· patent location history
2020–2021Patents assigned to NIPPON STEEL STAINLESS STEEL CORP (3)· patent assignee history
2020–2021Patents assigned to NISSHIN STEEL CO LTD (2)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
NIPPON STEEL STAINLESS STEEL CORP32020–2021
SUIDO KIKO KK31990–1995
NISSHIN STEEL CO LTD22020–2021
Locations
LocationPatentsSpan
Tokyo, JP61990–2021