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Inventor

Yoshinari Hirai

Inventor
Himeji, JP

Overview

2→
Patents
2013–2021
Patent span
Chemistry
Primary field (CPC C)

Patents· 2 as inventor

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

B01Jprimary
B01JChemical or physical processes, e.g. catalysis or colloid chemistry17%
C07BGeneral methods of organic chemistry17%
C07CAcyclic or carbocyclic compounds17%
C07DHeterocyclic compounds17%
C22BProduction and refining of metals17%
Y02PClimate change mitigation technologies in the production or processing of goods17%
PatentTitleYear
11,040,334Catalyst for reduction reaction of 3,4-dihydroxytetrahydrofuran, and method for producing 3,4-dihydroxytetrahydrofuran reduced product20218,454,914'Method for recovering ruthenium'2013

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2013Patents assigned to FURUYA METAL CO LTD (1)· patent assignee history
2013Patents assigned to HIRAI YOSHINARI (1)· patent assignee history
2013Patents assigned to MARUKO TOMOHIRO (1)· patent assignee history
2013Patents assigned to SEKI KOHEI (1)· patent assignee history
2013Based in Tokyo, JP· patent location history
2021Patents assigned to DAICEL CORP (1)· patent assignee history
2021Based in Himeji, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
DAICEL CORP12021
FURUYA METAL CO LTD12013
HIRAI YOSHINARIself12013
MARUKO TOMOHIRO12013
SEKI KOHEI12013
Locations
LocationPatentsSpan
Himeji, JP12021
Tokyo, JP12013