LexDanaLexDanabeta
Inventor

Fumio Tanaka

Inventor
Niigata, JP

Overview

5→
Patents
1997–2010
Patent span
Chemistry
Primary field (CPC C)

Patents· 5 as inventor

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

C07Cprimary
C07CAcyclic or carbocyclic compounds57%
B01DSeparation14%
C01CAmmonia14%
C07DHeterocyclic compounds14%
PatentTitleYear
7,785,556'Method of recovering ammonia'20107,307,181'Process for producing a nitrile compound'20077,161,021'Process for producing a polynitrile compound'20075,756,842'Process for preparing lactamide'19985,618,953'Process for producing 3-methyltetrahydrofuran'1997

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1997–2010Patents assigned to MITSUBISHI GAS CHEMICAL CO (5)· patent assignee history
1997–2007Based in Niigata, JP· patent location history
2010Based in Nigata, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
MITSUBISHI GAS CHEMICAL CO51997–2010
Locations
LocationPatentsSpan
Niigata, JP41997–2007
Nigata, JP12010