Inventor
Yasuo Ohtomo
Inventor
Yokohama, JP
Overview
Patents· 12 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
H04Bprimary
H04BTransmission23%
H04LTransmission of digital information, e.g. telegraphic communication23%
G06FElectric digital data processing14%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests14%
H04JMultiplex communication9%
H03HImpedance networks, e.g. resonant circuits5%
H03KPulse technique5%
H03LAutomatic control, starting, synchronisation or stabilisation of generators of electronic oscillations or pulses5%
H03MCoding5%
PatentTitleYear
10,931,485Adaptive equalization circuit and optical receiver202110,560,199Signal processing circuit and optical receiving device202010,177,855Amplitude adjustment circuit, digital coherent receiver, and amplitude adjustment method20199,680,667'Adaptive equalization circuit, digital coherent receiver, and adaptive equalization method'20179,660,733'Signal processing apparatus, signal processing method, and signal processing system'20178,861,980'Loop filter'20147,649,482'Signal modulation method, signal modulation apparatus, electronic device, and computer program product'20107,539,670'Data search system and method for displaying data search results'20096,910,031'Data search system and method for displaying data search results'20056,647,398'Data managing method and apparatus, and recording medium'20035,638,409'Data receiving device for reproducing a received symbol from a received data signal'19975,399,985'Digital PLL circuit'1995Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1995–2021Patents assigned to FUJITSU LTD (9)· patent assignee history
1995–2014Based in Kawasaki, JP· patent location history
2003–2005Patents assigned to BEACON INF TECHNOLOGY INC (2)· patent assignee history
2003–2009Based in Tokyo, JP· patent location history
2009Patents assigned to BEACON INTERNAT TECHNOLOGY INC (1)· patent assignee history
2014Patents assigned to KOIZUMI NOBUKAZU (1)· patent assignee history
2014Patents assigned to OHTOMO YASUO (1)· patent assignee history
2017–2021Based in Yokohama, JP· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| FUJITSU LTD | 9 | 1995–2021 |
| BEACON INF TECHNOLOGY INC | 2 | 2003–2005 |
| BEACON INTERNAT TECHNOLOGY INC | 1 | 2009 |
| KOIZUMI NOBUKAZU | 1 | 2014 |
| OHTOMO YASUOself | 1 | 2014 |
Locations
| Location | Patents | Span |
|---|---|---|
| Yokohama, JP | 5 | 2017–2021 |
| Kawasaki, JP | 4 | 1995–2014 |
| Tokyo, JP | 3 | 2003–2009 |