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Inventor

Katsumi Oka

Inventor
Asaka, JP

Overview

4→
Patents
1978–2003
Patent span
Chemistry
Primary field (CPC C)

Patents· 4 as inventor

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

B60Rprimary
B60RVehicles, vehicle fittings, or vehicle parts, not otherwise provided for40%
C08LCompositions of macromolecular compounds40%
C08KUse of inorganic or non-macromolecular organic substances as compounding ingredients20%
PatentTitleYear
6,531,546'Rubber composition'20035,691,413'Ethylene-.alpha.-olefin-non-conjugated diene copolymer rubber composition'19974,111,458'Safety air cushion bag in automotive vehicles'19784,097,065'Safety air cushion bag in automotive vehicles'1978

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1978Patents assigned to HONDA MOTOR CO LTD (2)· patent assignee history
1978Based in Asaka, JP· patent location history
1997Patents assigned to JAPAN SYNTHETIC RUBBER CO LTD (1)· patent assignee history
1997Based in Yokkaichi, JP· patent location history
2003Patents assigned to JSR CORP (1)· patent assignee history
2003Based in Tokyo, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
HONDA MOTOR CO LTD21978
JAPAN SYNTHETIC RUBBER CO LTD11997
JSR CORP12003
Locations
LocationPatentsSpan
Asaka, JP21978
Tokyo, JP12003
Yokkaichi, JP11997