Inventor

Ryuichiro Takeda

Inventor
Yokohama, JP

Overview

3→
Patents
1979–1984
Patent span
Performing operations
Primary field (CPC B)

Patents· 3 as inventor

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

B01Dprimary
B01DSeparation17%
B28BShaping clay or other ceramic compositions17%
C04BLime, magnesia17%
E04CStructural elements17%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests17%
Y10TTechnical subjects covered by former us classification17%

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1979–1984Patents assigned to ASAHI GLASS CO LTD (3)· patent assignee history
1979–1980Patents assigned to NAKASHIMA MFG CO LTD (2)· patent assignee history
1979–1980Based in Yokohama, JP· patent location history
1984Based in Kamakura, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
ASAHI GLASS CO LTD31979–1984
NAKASHIMA MFG CO LTD21979–1980
Locations
LocationPatentsSpan
Yokohama, JP21979–1980
Kamakura, JP11984