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Inventor

Yuji Yoshizumi

Inventor
Sendai, JP

Overview

3→
Patents
1994–2006
Patent span
Chemistry
Primary field (CPC C)

Patents· 3 as inventor

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

C10Gprimary
C10GCracking hydrocarbon oils25%
B01DSeparation13%
B01JChemical or physical processes, e.g. catalysis or colloid chemistry13%
C01BNon-metallic elements13%
C04BLime, magnesia13%
H01GCapacitors13%
Y02EReduction of greenhouse gas [ghg] emissions, related to energy generation, transmission or distribution13%
PatentTitleYear
7,112,311'Cooling method of hydrotreating plant and cooling unit therefor'20065,460,713'Process for producing low viscosity lubricating base oil having high viscosity index'19955,330,680'Foliated fine graphite particles and method for preparing same'1994

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1994Patents assigned to MITSUI MINING CO LTD (1)· patent assignee history
1994Based in Kitakyushu, JP· patent location history
1995Patents assigned to MITSUBISHI OIL CO (1)· patent assignee history
1995Based in Kanagawa, JP· patent location history
2006Patents assigned to SOFTARD IND CO LTD (1)· patent assignee history
2006Based in Sendai, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
MITSUBISHI OIL CO11995
MITSUI MINING CO LTD11994
SOFTARD IND CO LTD12006
Locations
LocationPatentsSpan
Sendai, JP12006
Kanagawa, JP11995
Kitakyushu, JP11994