Inventor
Masakazu Akiyama
Inventor
Katsuta, JP
Overview
Patents· 4 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
G06Fprimary
G06FElectric digital data processing50%
H04LTransmission of digital information, e.g. telegraphic communication33%
B61LGuiding railway traffic17%
PatentTitleYear
8,462,105'Three-dimensional object display control system and method thereof'20137,201,350'Signaling safety system'20075,010,479'Information processing and storage system with signal transmission loop line'19914,763,254'Information processing system with data storage on plural loop transmission line'1988Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1988–2007Patents assigned to HITACHI LTD (3)· patent assignee history
1988–1991Based in Katsuta, JP· patent location history
2007Based in Hitachinaka, JP· patent location history
2013Patents assigned to AKIYAMA MASAKAZU (1)· patent assignee history
2013Patents assigned to FURUTA MITSUNOBU (1)· patent assignee history
2013Patents assigned to KOBAYASHI RYO (1)· patent assignee history
2013Patents assigned to UNIV HIROSHIMA (1)· patent assignee history
2013Based in Hiroshima, JP· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| HITACHI LTD | 3 | 1988–2007 |
| AKIYAMA MASAKAZUself | 1 | 2013 |
| FURUTA MITSUNOBU | 1 | 2013 |
| KOBAYASHI RYO | 1 | 2013 |
| UNIV HIROSHIMA | 1 | 2013 |
Locations
| Location | Patents | Span |
|---|---|---|
| Katsuta, JP | 2 | 1988–1991 |
| Hiroshima, JP | 1 | 2013 |
| Hitachinaka, JP | 1 | 2007 |