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Inventor

Hisatake Hashimoto

Inventor
Kanagawa, JP

Overview

1→
Patents
1989
Patent span
Performing operations
Primary field (CPC B)

Patents· 1 as inventor

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

B01Dprimary
B01DSeparation25%
B01JChemical or physical processes, e.g. catalysis or colloid chemistry25%
C10GCracking hydrocarbon oils25%
G06FElectric digital data processing25%
PatentTitleYear
4,839,029'Process for removing arsenic from a petroleum fraction'1989

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1989Patents assigned to TONEN SEKIYUKAGAKU KK (1)· patent assignee history
1989Based in Kanagawa, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
TONEN SEKIYUKAGAKU KK11989
Locations
LocationPatentsSpan
Kanagawa, JP11989