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Inventor

Yoshitsugu Hirota

Inventor
Chiba, JP

Overview

3→
Patents
1985–1992
Patent span
General tagging of new technological developments
Primary field (CPC Y)

Patents· 3 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 chemistry30%
C01BNon-metallic elements20%
Y02PClimate change mitigation technologies in the production or processing of goods20%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests20%
C07CAcyclic or carbocyclic compounds10%
PatentTitleYear
5,100,857'Catalyst for steam reforming'19924,990,481'Catalyst for steam reforming'19914,525,482'Process for producing a gas containing methane'1985

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1985–1992Patents assigned to TOYO ENGINEERING CORP (3)· patent assignee history
1985Based in Mobara, JP· patent location history
1991–1992Based in Chiba, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
TOYO ENGINEERING CORP31985–1992
Locations
LocationPatentsSpan
Chiba, JP21991–1992
Mobara, JP11985