Inventor
Akira Tsuchiya
Inventor
Tokyo, JP
Overview
Patents· 11 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
H05Gprimary
H05GX-ray technique22%
G06FElectric digital data processing11%
H01FMagnets11%
A01GHorticulture6%
G02BOptical elements, systems or apparatus6%
H01LSemiconductor devices6%
H02MApparatus for conversion between ac and ac, between ac and dc, or between dc and dc, and for use with mains or similar power supply systems6%
H03FAmplifiers6%
H03HImpedance networks, e.g. resonant circuits6%
H04LTransmission of digital information, e.g. telegraphic communication6%
PatentTitleYear
10,979,505Distributed storage system and data migration method202110,936,243Storage system and data transfer control method202110,891,166Storage system and information management method having a plurality of representative nodes and a plurality of general nodes including a plurality of resources20219,082,543'Inductor'20155,434,936'Mechanical optical switch'19955,363,286'High voltage generator'19944,710,860'Ripple-free DC high voltage generating apparatus for X-ray tube'19874,700,372'X-ray generating apparatus'19874,670,893'X-ray diagnostic apparatus'19874,653,082'High voltage generating device for X-ray apparatus'19874,467,561'Water-level controlled hydroponic container'1984Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1984–2015Patents assigned to TSUCHIYA AKIRA (2)· patent assignee history
1984Based in Hino, JP· patent location history
1987–1994Patents assigned to TOSHIBA KK (5)· patent assignee history
1987Based in Ootawara, JP· patent location history
1994Based in Otawara, JP· patent location history
1995–2015Patents assigned to NIPPON TELEGRAPH & TELEPHONE (2)· patent assignee history
1995–2021Based in Tokyo, JP· patent location history
2015Patents assigned to KATSURAI HIROAKI (1)· patent assignee history
2015Based in Kyoto, JP· patent location history
2021Patents assigned to HITACHI LTD (3)· patent assignee history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| TOSHIBA KK | 5 | 1987–1994 |
| HITACHI LTD | 3 | 2021 |
| NIPPON TELEGRAPH & TELEPHONE | 2 | 1995–2015 |
| TSUCHIYA AKIRAself | 2 | 1984–2015 |
| KATSURAI HIROAKI | 1 | 2015 |
Locations
| Location | Patents | Span |
|---|---|---|
| Tokyo, JP | 4 | 1995–2021 |
| Ootawara, JP | 4 | 1987 |
| Kyoto, JP | 1 | 2015 |
| Otawara, JP | 1 | 1994 |
| Hino, JP | 1 | 1984 |