Inventor
Hitoshi Ogasawara
Inventor
Hitachi, JP
Overview
Patents· 6 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
C02Fprimary
C02FTreatment of water, waste water, sewage, or sludge22%
G01SRadio direction-finding22%
Y02WClimate change mitigation technologies related to wastewater treatment or waste management22%
G05BControl or regulating systems in general11%
G05DSystems for controlling or regulating non-electric variables11%
G06FElectric digital data processing11%
PatentTitleYear
11,073,997Storage system and data management method of storage system20218,299,965'Positioning system, position information transmitter, communication terminal, and control method of the positioning system'20127,994,970'Positioning system, position information transmitter, communication terminal, and control method of the positioning system'20114,960,512'Apparatus for sludge thickening'19904,904,388'Process for sludge thickening'19904,335,341'Automatic control method and apparatus'1982Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1982–2021Patents assigned to HITACHI LTD (5)· patent assignee history
1982–1990Based in Hitachi, JP· patent location history
2011–2012Based in Kawasaki, JP· patent location history
2012Patents assigned to EBATA TOMOICHI (1)· patent assignee history
2012Patents assigned to HITACHI IND EQUIPMENT SYS (1)· patent assignee history
2012Patents assigned to KAWAGUCHI TAKAMASA (1)· patent assignee history
2012Patents assigned to OGASAWARA HITOSHI (1)· patent assignee history
2021Based in Tokyo, JP· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| HITACHI LTD | 5 | 1982–2021 |
| EBATA TOMOICHI | 1 | 2012 |
| HITACHI IND EQUIPMENT SYS | 1 | 2012 |
| KAWAGUCHI TAKAMASA | 1 | 2012 |
| OGASAWARA HITOSHIself | 1 | 2012 |
Locations
| Location | Patents | Span |
|---|---|---|
| Hitachi, JP | 3 | 1982–1990 |
| Kawasaki, JP | 2 | 2011–2012 |
| Tokyo, JP | 1 | 2021 |