Inventor
Tatsuo Saka
Inventor
Nara, JP
Overview
Patents· 5 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
H05Bprimary
H05BElectric heating31%
H02MApparatus for conversion between ac and ac, between ac and dc, or between dc and dc, and for use with mains or similar power supply systems23%
G05FSystems for regulating electric or magnetic variables15%
F23NRegulating or controlling combustion8%
H02HEmergency protective circuit arrangements8%
H03BGeneration of oscillations, directly or by frequency-changing, by circuits employing active elements which operate in a non-switching manner8%
Y10TTechnical subjects covered by former us classification8%
PatentTitleYear
4,787,410'Gas shut-off system'19884,351,999'Heating apparatus provided with a voice synthesizing circuit'19824,317,975'Induction heating apparatus with means for detecting zero crossing point of high-frequency oscillation to determine triggering time'19824,145,592'Induction heating apparatus with means for detecting zero crossing point of high-frequency oscillation to determine triggering time'19794,076,996'Power supplier for magnetron'1978Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1978–1988Patents assigned to MATSUSHITA ELECTRIC INDUSTRIAL CO LTD (5)· patent assignee history
1978–1988Based in Nara, JP· patent location history
1979–1982Based in Kadoma, JP· patent location history
1982Based in Ikoma, JP· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| MATSUSHITA ELECTRIC INDUSTRIAL CO LTD | 5 | 1978–1988 |
Locations
| Location | Patents | Span |
|---|---|---|
| Nara, JP | 2 | 1978–1988 |
| Kadoma, JP | 2 | 1979–1982 |
| Ikoma, JP | 1 | 1982 |