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Inventor

Atsushi Ohkoshi

Inventor
Kurashiki, JP

Overview

3→
Patents
1988–2000
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.

C07Cprimary
C07CAcyclic or carbocyclic compounds33%
C07DHeterocyclic compounds33%
H04MTelephonic communication33%
PatentTitleYear
6,063,938'Process for producing .epsilon.-caprolactone'20005,895,820'Process for the production of trimellitic acid and process for the production of trimellitic acid anhydride'19994,776,008'Key-in sound-generating circuit'1988

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1988Patents assigned to TOSHIBA KK (1)· patent assignee history
1988Based in Yokohama, JP· patent location history
1999–2000Patents assigned to MITSUBISHI GAS CHEMICAL CO (2)· patent assignee history
1999–2000Based in Kurashiki, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
MITSUBISHI GAS CHEMICAL CO21999–2000
TOSHIBA KK11988
Locations
LocationPatentsSpan
Kurashiki, JP21999–2000
Yokohama, JP11988