Inventor

Yoshio Koga

Inventor
Ibaraki, JP

Overview

4→
Patents
1979–2006
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.

B32Bprimary
B32BLayered products, i.e. products built-up of strata of flat or non-flat, e.g. cellular or honeycomb, form20%
C03BManufacture, shaping, or supplementary processes20%
C07CAcyclic or carbocyclic compounds20%
G11BInformation storage based on relative movement between record carrier and transducer20%
H01JElectric discharge tubes or discharge lamps20%

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1979Patents assigned to TOKYO SHIBAURA ELECTRIC CO (1)· patent assignee history
1979Based in Yokohama, JP· patent location history
1984Patents assigned to MITSUBISHI ELECTRIC CORP (1)· patent assignee history
1984Based in Nagaokakyo, JP· patent location history
1988Patents assigned to ASAHI GLASS CO LTD (1)· patent assignee history
1988Based in Toyoda, JP· patent location history
2006Patents assigned to MITSUBISHI CHEM CORP (1)· patent assignee history
2006Based in Ibaraki, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
ASAHI GLASS CO LTD11988
MITSUBISHI CHEM CORP12006
MITSUBISHI ELECTRIC CORP11984
TOKYO SHIBAURA ELECTRIC CO11979
Locations
LocationPatentsSpan
Ibaraki, JP12006
Toyoda, JP11988
Nagaokakyo, JP11984
Yokohama, JP11979