Inventor
Reizo Kubota
Inventor
Tokyo, JP
Overview
Patents· 1 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
E21Bprimary
E21BEarth or rock drilling33%
E21DShafts33%
G01FMeasuring volume, volume flow, mass flow or liquid level33%
Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1976Patents assigned to TEKKEN CONSTR CO (1)· patent assignee history
1976Based in Tokyo, JP· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| TEKKEN CONSTR CO | 1 | 1976 |
Locations
| Location | Patents | Span |
|---|---|---|
| Tokyo, JP | 1 | 1976 |