Inventor
Fumiaki Ishida
Inventor
Narashino, JP
Overview
Patents· 8 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
F04Dprimary
F04DNon-positive-displacement pumps67%
Y10TTechnical subjects covered by former us classification25%
F04CRotary-piston, or oscillating-piston, positive-displacement machines for liquids8%
PatentTitleYear
8,033,783'Diagonal flow fan'20117,806,649'Blower'20107,470,104'Blower'20085,672,052'Blower muffling apparatus'19975,628,615'Vortex flow blower and vane wheel therefor'19975,600,886'Method of making vortex flow blower and vane wheel therefor'19975,569,023'Vortex blower'19965,487,639'Vortex flow blower and vane wheel therefor'1996Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1996–1997Patents assigned to HITACHI LTD (5)· patent assignee history
1996–1997Based in Narashino, JP· patent location history
2008–2011Patents assigned to HITACHI IND EQUIPMENT SYS (3)· patent assignee history
2008–2011Based in Sakura, JP· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| HITACHI LTD | 5 | 1996–1997 |
| HITACHI IND EQUIPMENT SYS | 3 | 2008–2011 |
Locations
| Location | Patents | Span |
|---|---|---|
| Narashino, JP | 5 | 1996–1997 |
| Sakura, JP | 3 | 2008–2011 |