Inventor
Makoto Furihata
Inventor
Tamamura, JP
Overview
Patents· 19 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
H04Nprimary
H04NPictorial communication, e.g. television28%
H03KPulse technique16%
H10DInorganic electric semiconductor devices13%
G06FElectric digital data processing6%
H03MCoding6%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests6%
G11BInformation storage based on relative movement between record carrier and transducer3%
H03BGeneration of oscillations, directly or by frequency-changing, by circuits employing active elements which operate in a non-switching manner3%
H03DDemodulation or transference of modulation from one carrier to another3%
H03HImpedance networks, e.g. resonant circuits3%
PatentTitleYear
5,982,239'Phase locked loop circuit and a picture reproducing device'19995,526,126'Signal processor for VTR which converts color under signals to color signals'19965,351,089'Video signal processing device and method'19945,132,806'Semiconductor integrated circuit device'19924,942,536'Method of automatic circuit translation'19904,841,484'Tri-state IIL gate'19894,803,636'Circuit translator'19894,725,745'Bi-MOS PLA'19884,697,102'Bipolar logic circuit having two multi-emitter transistors with an emitter of one connected to the collector of the other to prevent saturation'19874,670,859'Logic circuit'19874,659,947'PLA with forward-conduction bipolar \"and\" array and I.sup.2 L \"OR\" array'19874,543,499'I.sup.2 L circuitry having operating current supplied by higher-voltage circuitry fabricated on same chip'19854,509,036'A/D Converter with bit extension capability using wired-OR outputs'19854,504,792'FM Detector using monostable multivibrators'19854,368,354'Discriminator apparatus for detecting the presence of a signal by using a differential beat signal having an inaudible frequency'19834,349,834'Chroma signal gain control circuit'19824,328,513'Synchronizing signal generator device for television'19824,136,289'Phase control circuit and oscillator circuit using it'19793,961,360'Synchronizing detector circuit'1976Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1976–1999Patents assigned to HITACHI LTD (18)· patent assignee history
1979Based in Kokubunji, JP· patent location history
1982–1985Based in Tachikawa, JP· patent location history
1985–1989Based in Gunma, JP· patent location history
1987–1990Patents assigned to HITACHI MICROCUMPUTER ENG (3)· patent assignee history
1987–1990Based in Tamamura, JP· patent location history
1992Patents assigned to HITACHI MICROCOMPUTER (1)· patent assignee history
1992–1999Based in Maebashi, JP· patent location history
1994Patents assigned to FURIHATA MAKOTO (1)· patent assignee history
1996Patents assigned to HITACHI MICROCOMPUTER SYST (1)· patent assignee history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| HITACHI LTD | 18 | 1976–1999 |
| HITACHI MICROCUMPUTER ENG | 3 | 1987–1990 |
| FURIHATA MAKOTOself | 1 | 1994 |
| HITACHI MICROCOMPUTER | 1 | 1992 |
| HITACHI MICROCOMPUTER SYST | 1 | 1996 |
Locations
| Location | Patents | Span |
|---|---|---|
| Tamamura, JP | 5 | 1987–1990 |
| Maebashi, JP | 4 | 1992–1999 |
| Gunma, JP | 4 | 1985–1989 |
| Tachikawa, JP | 4 | 1982–1985 |
| Kokubunji, JP | 1 | 1979 |