Inventor
Masataka Hirasawa
Inventor
Yokohama, JP
Overview
Patents· 10 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
H03Kprimary
H03KPulse technique30%
H10DInorganic electric semiconductor devices15%
G04GElectronic time-pieces10%
G11CStatic stores10%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests10%
G04FTime-interval measuring5%
G09GArrangements or circuits for control of indicating devices using static means to present variable information5%
H03HImpedance networks, e.g. resonant circuits5%
H04LTransmission of digital information, e.g. telegraphic communication5%
H10PGeneric processes or apparatus for the manufacture or treatment of devices covered by class h105%
PatentTitleYear
4,797,574'Synchronizing circuit'19894,212,025'Voltage dividing integrated circuit device'19804,173,734'Voltage dividing integrated circuit device'19794,164,666'Electronic apparatus using complementary MOS transistor dynamic clocked logic circuits'19794,158,786'Display device driving voltage providing circuit'19794,069,426'Complementary MOS logic circuit'19784,020,362'Counter using an inverter and shift registers'19773,986,896'Method of manufacturing semiconductor devices'19763,976,984'Level shifting circuit device'19763,949,242'Logical circuit for generating an output having three voltage levels'1976Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1976–1980Patents assigned to TOKYO SHIBAURA ELECTRIC CO (9)· patent assignee history
1976–1989Based in Yokohama, JP· patent location history
1979–1980Based in Ayase, JP· patent location history
1979Based in Kanagawa, JP· patent location history
1989Patents assigned to TOSHIBA KK (1)· patent assignee history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| TOKYO SHIBAURA ELECTRIC CO | 9 | 1976–1980 |
| TOSHIBA KK | 1 | 1989 |
Locations
| Location | Patents | Span |
|---|---|---|
| Yokohama, JP | 6 | 1976–1989 |
| Ayase, JP | 3 | 1979–1980 |
| Kanagawa, JP | 1 | 1979 |