Inventor
Mitsuru Nagata
Inventor
Yokohama, JP
Overview
Patents· 15 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
H03Mprimary
H03MCoding43%
H03FAmplifiers19%
H03LAutomatic control, starting, synchronisation or stabilisation of generators of electronic oscillations or pulses10%
B41MPrinting, duplicating, marking, or copying processes5%
C09BOrganic dyes or closely-related compounds for producing dyes, e.g. pigments5%
G05FSystems for regulating electric or magnetic variables5%
G11BInformation storage based on relative movement between record carrier and transducer5%
H03KPulse technique5%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests5%
PatentTitleYear
6,900,752'Stepwise zero-data-detection mute circuit'20056,366,228'Selecting circuit, digital/analog converter and analog/digital converter'20026,236,349'Analog-digital converter analog-digital converting method and volume controller system'20016,204,789'Variable resistor circuit and a digital-to-analog converter'20016,114,981'D/A converter'20005,841,308'Amplifier for cancelling noise between circuit systems'19985,789,980'Amplifier and semiconductor device which are operated at a low voltage'19985,610,606'1-bit D/A conversion circuit'19975,345,233'Digital .SIGMA.-.DELTA. modulator'19945,225,835'Sigma delta type digital/analog converter system'19935,202,685'Digital sigma-delta modulator having a limiter circuit'19934,733,162'Thermal shutoff circuit'19884,580,100'Phase locked loop clock recovery circuit for data reproducing apparatus'19864,379,268'Differential amplifier circuit'19834,271,075'Process for producing 3,3-bis-(4-dimethylaminophenyl)-6-dimethylaminophthalide'1981Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1981Patents assigned to HODOGAYA CHEMICAL CO LTD (1)· patent assignee history
1981–1994Based in Yokohama, JP· patent location history
1983–1986Patents assigned to TOKYO SHIBAURA ELECTRIC CO (2)· patent assignee history
1988–2005Patents assigned to TOSHIBA KK (12)· patent assignee history
1997–2001Based in Kanagawa, JP· patent location history
2001–2005Based in Naka-gun, JP· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| TOSHIBA KK | 12 | 1988–2005 |
| TOKYO SHIBAURA ELECTRIC CO | 2 | 1983–1986 |
| HODOGAYA CHEMICAL CO LTD | 1 | 1981 |
Locations
| Location | Patents | Span |
|---|---|---|
| Yokohama, JP | 7 | 1981–1994 |
| Kanagawa, JP | 5 | 1997–2001 |
| Naka-gun, JP | 3 | 2001–2005 |