Inventor
Hiroaki Tazawa
Inventor
Ootawara, JP
Overview
Patents· 7 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
H01Hprimary
H01HElectric switches33%
H01JElectric discharge tubes or discharge lamps33%
F16CShafts11%
H02BBoards, substations or switching arrangements for the supply or distribution of electric power11%
Y10TTechnical subjects covered by former us classification11%
PatentTitleYear
5,210,781'Rotary anode type X-ray tube having a jacket to prevent lubricant from being scattered'19935,195,119'Rotary-anode type X-ray tube'19935,189,688'Rotary-anode type X-ray tube'19934,671,697'Apparatus for mounting electrical appliance on frame'19874,642,429'Switch'19874,539,451'Switch'19854,450,328'Electromagnetic contactor means with improved arc runner'1984Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1984–1987Patents assigned to MITSUBISHI ELECTRIC CORP (4)· patent assignee history
1984Based in Aichi, JP· patent location history
1985–1987Based in Nagoya, JP· patent location history
1987Based in Kani, JP· patent location history
1993Patents assigned to TOSHIBA KK (3)· patent assignee history
1993Based in Ootawara, JP· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| MITSUBISHI ELECTRIC CORP | 4 | 1984–1987 |
| TOSHIBA KK | 3 | 1993 |
Locations
| Location | Patents | Span |
|---|---|---|
| Ootawara, JP | 3 | 1993 |
| Nagoya, JP | 2 | 1985–1987 |
| Kani, JP | 1 | 1987 |
| Aichi, JP | 1 | 1984 |