Inventor
Masahiro Higashikawa
Inventor
Kadoma, JP
Overview
Patents· 3 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
H01Jprimary
H01JElectric discharge tubes or discharge lamps75%
G03GElectrography25%
Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1989–1991Patents assigned to MATSUSHITA ELECTRIC WORKS LTD (2)· patent assignee history
1989–1991Based in Kadoma, JP· patent location history
2012Patents assigned to HASEGAWA KENJI (1)· patent assignee history
2012Patents assigned to HIGASHIKAWA MASAHIRO (1)· patent assignee history
2012Patents assigned to PANASONIC CORP (1)· patent assignee history
2012Patents assigned to TOYODA IZUMI (1)· patent assignee history
2012Based in Osaka, JP· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| MATSUSHITA ELECTRIC WORKS LTD | 2 | 1989–1991 |
| HASEGAWA KENJI | 1 | 2012 |
| HIGASHIKAWA MASAHIROself | 1 | 2012 |
| PANASONIC CORP | 1 | 2012 |
| TOYODA IZUMI | 1 | 2012 |
Locations
| Location | Patents | Span |
|---|---|---|
| Kadoma, JP | 2 | 1989–1991 |
| Osaka, JP | 1 | 2012 |