Inventor
Nobuyuki Hirata
Inventor
Kyoto, JP
Overview
Patents· 6 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
F16Kprimary
F16KValves20%
G03GElectrography20%
F04DNon-positive-displacement pumps13%
G06KGraphical data reading13%
H01LSemiconductor devices13%
H10PGeneric processes or apparatus for the manufacture or treatment of devices covered by class h1013%
G05DSystems for controlling or regulating non-electric variables7%
PatentTitleYear
10,683,867Vacuum valve, vacuum pump, and vacuum pumping system202010,599,166Valve control device202010,400,775Vacuum valve and vacuum pump20194,811,050'Apparatus for the forming of images with a cleaning device for a corona wire'19894,623,242'Variable speed image-forming apparatus'19864,557,586'Image-forming apparatus'1985Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1985–1989Patents assigned to MITA INDUSTRIAL CO LTD (3)· patent assignee history
1985–1989Based in Sakai, JP· patent location history
2019–2020Patents assigned to SHIMADZU CORP (3)· patent assignee history
2019–2020Based in Kyoto, JP· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| MITA INDUSTRIAL CO LTD | 3 | 1985–1989 |
| SHIMADZU CORP | 3 | 2019–2020 |
Locations
| Location | Patents | Span |
|---|---|---|
| Kyoto, JP | 3 | 2019–2020 |
| Sakai, JP | 3 | 1985–1989 |