Inventor
Nobuhiro Shiramizu
Inventor
Tokyo, JP
Overview
Patents· 11 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
G01Nprimary
G01NInvestigating or analysing materials by determining their chemical or physical properties13%
H03GControl of amplification8%
H03KPulse technique8%
H03MCoding8%
G01BMeasuring length, thickness or similar linear dimensions4%
G01JMeasurement of intensity, velocity, spectral content, polarisation, phase or pulse characteristics of infrared, visible or ultraviolet light4%
G11CStatic stores4%
H01FMagnets4%
H01LSemiconductor devices4%
H03BGeneration of oscillations, directly or by frequency-changing, by circuits employing active elements which operate in a non-switching manner4%
PatentTitleYear
10,018,557Terahertz wave measuring device20189,835,494Terahertz wave phase difference measurement device20179,361,978'Series connected resistance change memory device'20169,335,261'Time-domain spectroscopy and time-domain spectroscopic analysis system'20168,212,615'Variable-gain amplifier circuit and wireless communication device integrated circuit equipped therewith'20128,121,579'Active mixer circuit and a receiver circuit or a millimeter-wave communication unit using it'20127,821,335'Semiconductor integrated circuit with variable gain amplifier'20107,642,618'Semiconductor devices with inductors'20107,592,877'Variable frequency oscillator and communication circuit with it'20097,212,744'Receiver circuit and transmitter circuit'20076,504,140'Optical interconnection receiving module'2003Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
2003–2016Patents assigned to HITACHI LTD (6)· patent assignee history
2003–2010Based in Kokubunji, JP· patent location history
2009–2012Based in Musashino, JP· patent location history
2012–2016Patents assigned to NAKAMURA TAKAHIRO (3)· patent assignee history
2012–2016Patents assigned to SHIRAMIZU NOBUHIRO (3)· patent assignee history
2012Patents assigned to MASUDA TORU (2)· patent assignee history
2016–2018Based in Tokyo, JP· patent location history
2017–2018Patents assigned to HITACHI HIGH TECH CORP (2)· patent assignee history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| HITACHI LTD | 6 | 2003–2016 |
| NAKAMURA TAKAHIRO | 3 | 2012–2016 |
| SHIRAMIZU NOBUHIROself | 3 | 2012–2016 |
| HITACHI HIGH TECH CORP | 2 | 2017–2018 |
| MASUDA TORU | 2 | 2012 |
Locations
| Location | Patents | Span |
|---|---|---|
| Tokyo, JP | 4 | 2016–2018 |
| Musashino, JP | 4 | 2009–2012 |
| Kokubunji, JP | 3 | 2003–2010 |