Inventor
Kenjiro Ohiwa
Inventor
Urawa, JP
Overview
Patents· 1 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
F16Lprimary
F16LPipes100%
PatentTitleYear
4,026,582'Connected part of concrete pipe'1977Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1977Patents assigned to NIPPON CONCRETE IND CO LTD (1)· patent assignee history
1977Based in Urawa, JP· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| NIPPON CONCRETE IND CO LTD | 1 | 1977 |
Locations
| Location | Patents | Span |
|---|---|---|
| Urawa, JP | 1 | 1977 |