Inventor

Yoshihisa Ogawa

Inventor

Chiba, JP

Overview

1977–2001

Patent span

Chemistry

Primary field (CPC C)

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

C09Gprimary

C09GPolishing compositions27%

G06KGraphical data reading18%

B24BMachines, devices, or processes for grinding or polishing9%

B41JTypewriters9%

C01BNon-metallic elements9%

C08KUse of inorganic or non-macromolecular organic substances as compounding ingredients9%

C09KMaterials for miscellaneous applications, not provided for elsewhere9%

H10PGeneric processes or apparatus for the manufacture or treatment of devices covered by class h109%

PatentTitleYear

Assembled from patent assignee/location history and declaration credentials.

1977–1981Patents assigned to NISSAN CHEMICAL IND LTD (2)· patent assignee history

1977Patents assigned to NOZAKI INSATSU SHIGYO KABUSHIK (1)· patent assignee history

1977Based in Onoda, JP· patent location history

1980Patents assigned to NOZAKI TATSUZO (1)· patent assignee history

1980Patents assigned to OGAWA YOSHIHISA (1)· patent assignee history

1980Based in Kyoto Prefecture, JP· patent location history

1981Based in Ichihara, JP· patent location history

1989Patents assigned to DATA CARD CORP (1)· patent assignee history

1989Based in Nagakakyo, JP· patent location history

2001Based in Chiba, JP· patent location history

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
NISSAN CHEMICAL IND LTD	2	1977–1981
DATA CARD CORP	1	1989
NOZAKI INSATSU SHIGYO KABUSHIK	1	1977
NOZAKI TATSUZO	1	1980
OGAWA YOSHIHISAself	1	1980

Locations