Inventor
Shoichi Muramoto
Inventor
Tokyo, JP
Overview
Patents· 7 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
H01Jprimary
H01JElectric discharge tubes or discharge lamps56%
B41JTypewriters11%
F23NRegulating or controlling combustion11%
H05KPrinted circuits11%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests11%
PatentTitleYear
4,349,767'Cathode ray tube resistance of ruthenium oxide and glass containing alumina powder'19824,088,984'Flame detection'19784,069,436'Flat thermionic cathode'19784,053,807'Thermionic cathode and heater structure on ceramic base plate'19773,979,623'Indicator display tube'19763,976,907'Gas discharge display tube with barrier means for prevention of ion scattering'19763,950,200'Method of fabricating thermal printing head'1976Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1976–1982Patents assigned to SONY CORP (6)· patent assignee history
1976Patents assigned to NIPPON TOKI KK (1)· patent assignee history
1976–1982Based in Tokyo, JP· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| SONY CORP | 6 | 1976–1982 |
| NIPPON TOKI KK | 1 | 1976 |
Locations
| Location | Patents | Span |
|---|---|---|
| Tokyo, JP | 7 | 1976–1982 |