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Inventor

Tomohisa Hirano

Inventor
Tokyo, JP

Overview

3→
Patents
1994–2018
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.

C08Gprimary
C08GMacromolecular compounds obtained otherwise than by reactions only involving unsaturated carbon-to-carbon bonds17%
C10GCracking hydrocarbon oils17%
C10MLubricating compositions17%
G09GArrangements or circuits for control of indicating devices using static means to present variable information17%
H03LAutomatic control, starting, synchronisation or stabilisation of generators of electronic oscillations or pulses17%
H04NPictorial communication, e.g. television17%
PatentTitleYear
9,988,585Method for producing base oil for lubricant oils20189,340,640'Polyol for polyurethane preparation and polyurethane preparation method using same'20165,357,545'Synchronizing signal detecting circuit'1994

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1994–2018Based in Tokyo, JP· patent location history
2016Patents assigned to ARAI IZUMI (1)· patent assignee history
2016Patents assigned to HIRANO TOMOHISA (1)· patent assignee history
2016Patents assigned to KABU KOJI (1)· patent assignee history
2016Patents assigned to SANYO CHEMICAL IND LTD (1)· patent assignee history
2016Based in Kyoto, JP· patent location history
2018Patents assigned to JX NIPPON OIL & ENERGY CORP (1)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
ARAI IZUMI12016
HIRANO TOMOHISAself12016
JX NIPPON OIL & ENERGY CORP12018
KABU KOJI12016
SANYO CHEMICAL IND LTD12016
Locations
LocationPatentsSpan
Tokyo, JP21994–2018
Kyoto, JP12016