Inventor
Norimasa Nakai
Inventor
Tokyo, JP
Overview
Patents· 4 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
G01Rprimary
G01RMeasuring electric variables33%
A61BDiagnosis22%
B32BLayered products, i.e. products built-up of strata of flat or non-flat, e.g. cellular or honeycomb, form11%
B60JWindows, windscreens, non-fixed roofs, doors, or similar devices for vehicles11%
C03CChemical composition of glasses, glazes or vitreous enamels11%
Y10TTechnical subjects covered by former us classification11%
Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
2011Patents assigned to HITACHI MEDICAL CORP (1)· patent assignee history
2011Based in Chiba, JP· patent location history
2017–2019Patents assigned to HITACHI LTD (2)· patent assignee history
2017–2019Based in Tokyo, JP· patent location history
2021Patents assigned to CENTRAL GLASS CO LTD (1)· patent assignee history
2021Based in Matsusaka, JP· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| HITACHI LTD | 2 | 2017–2019 |
| CENTRAL GLASS CO LTD | 1 | 2021 |
| HITACHI MEDICAL CORP | 1 | 2011 |
Locations
| Location | Patents | Span |
|---|---|---|
| Tokyo, JP | 2 | 2017–2019 |
| Matsusaka, JP | 1 | 2021 |
| Chiba, JP | 1 | 2011 |