Inventor

Jun Okawa

Inventor

Chiyoda-ku, JP

Overview

1997–2021

Patent span

Performing operations

Primary field (CPC B)

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, form19%

C03CChemical composition of glasses, glazes or vitreous enamels19%

B60JWindows, windscreens, non-fixed roofs, doors, or similar devices for vehicles13%

Y10TTechnical subjects covered by former us classification13%

B60RVehicles, vehicle fittings, or vehicle parts, not otherwise provided for6%

C08JWorking-up6%

C08KUse of inorganic or non-macromolecular organic substances as compounding ingredients6%

C23CCoating metallic material6%

E04HBuildings or like structures for particular purposes6%

G10KSound-producing devices6%

PatentTitleYear

Assembled from patent assignee/location history and declaration credentials.

1997Patents assigned to KAJIMA CORP (1)· patent assignee history

1997–2016Based in Tokyo, JP· patent location history

2016Patents assigned to ASAHI GLASS CO LTD (1)· patent assignee history

2019–2021Patents assigned to AGC INC (2)· patent assignee history

2019–2021Based in Chiyoda-ku, JP· patent location history

2021Patents assigned to DAIO SEISHI KK (1)· patent assignee history

2021Patents assigned to NISHIKAWA RUBBER CO LTD (1)· patent assignee history

2021Based in Ehime, JP· patent location history

Assignee and location history derived from the patent record.

Assignees

Locations