Inventor
Hiroki Murayama
Inventor
Tokyo, JP
Overview
Patents· 8 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
G06Fprimary
G06FElectric digital data processing13%
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 systems13%
Y02BClimate change mitigation technologies related to buildings, e.g. housing, house appliances or related end-user applications13%
C21DModifying the physical structure of ferrous metals6%
C22CAlloys6%
C23CCoating metallic material6%
G01SRadio direction-finding6%
G06KGraphical data reading6%
G11BInformation storage based on relative movement between record carrier and transducer6%
H01QAntennas, i.e. radio aerials6%
PatentTitleYear
10,602,601Creeping discharge element drive device and creeping discharge element drive method202010,277,026Power converter20199,141,133'Information processing apparatus and display screen operating method for scrolling'20159,096,918'Facility for production of high strength steel sheet or hot dip zinc coated high strength steel sheet excellent in elongation and hole expandability'20157,801,491'Wireless communication system and method'20107,605,702'Article position management system, article position management method, terminal device, server, and article position management program'20097,389,938'Radio communication system'20084,977,470'Track-following control system for magnetic disk drive'1990Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1990–2010Patents assigned to NEC CORP (4)· patent assignee history
1990–2010Based in Tokyo, JP· patent location history
2015Patents assigned to MURAYAMA HIROKI (2)· patent assignee history
2015Patents assigned to KATO SATOSHI (1)· patent assignee history
2015Patents assigned to NIPPON STEEL & SUMITOMO METAL CORP (1)· patent assignee history
2015Based in Nagano, JP· patent location history
2015Based in Tokai, JP· patent location history
2019–2020Patents assigned to TOSHIBA KK (2)· patent assignee history
2019Based in Minato-ku, JP· patent location history
2020Based in Yokohama, JP· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| NEC CORP | 4 | 1990–2010 |
| MURAYAMA HIROKIself | 2 | 2015 |
| TOSHIBA KK | 2 | 2019–2020 |
| KATO SATOSHI | 1 | 2015 |
| NIPPON STEEL & SUMITOMO METAL CORP | 1 | 2015 |
Locations
| Location | Patents | Span |
|---|---|---|
| Tokyo, JP | 4 | 1990–2010 |
| Yokohama, JP | 1 | 2020 |
| Minato-ku, JP | 1 | 2019 |
| Nagano, JP | 1 | 2015 |
| Tokai, JP | 1 | 2015 |