Inventor
Katsuyo Iwasaki
Inventor
Nishinomiya, JP
Overview
Patents· 27 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
H01Jprimary
H01JElectric discharge tubes or discharge lamps87%
A45FTravelling or camp equipment: sacks or packs carried on the body3%
H01FMagnets3%
H04NPictorial communication, e.g. television3%
H05KPrinted circuits3%
PatentTitleYear
7,385,341'Cathode-ray tube apparatus with magnetic spacers between magnetic rings'20087,227,301'Cathode-ray tube device capable of reducing misconvergence'20077,138,755'Color picture tube apparatus having beam velocity modulation coils overlapping with convergence and purity unit and ring shaped ferrite core'20067,129,628'Velocity modulation coil apparatus and cathode-ray tube apparatus'20067,126,292'Cathode-ray tube apparatus'20067,119,485'Cathode-ray tube apparatus'20067,061,170'Deflection yoke having magnets for correcting raster distortion and cathode-ray tube apparatus having the deflection yoke'20067,038,368'Color picture tube apparatus having a pair of bar shaped magnets for correcting misconvergence due to the rotational shift of the electron beams'20067,012,360'Cathode ray tube apparatus having velocity modulation coil'20066,838,811'Deflection yoke and CRT device'20056,791,287'Deflection yoke device'20046,753,644'Color cathode-ray tube and color cathode-ray tube apparatus'20046,630,791'Cathode ray tube device that reduces magnetic field leakage'20036,404,133'Cathode ray tube device that reduces magnetic field leakage'20026,326,742'Color CRT with cross-misconvergence correction device'20016,304,044'Color display tube device'20016,160,363'Cathode ray tube having vertical and horizontal line misconvergence correction'20005,920,149'Terminal board cover and picture tube device using the same'19995,880,660'Cathode ray tube apparatus'1999RE035183'Deflection yoke for use in color cathode ray tubes'19965,233,267'Dynamic convergence system for color cathode ray tubes having an in line electron gun'19935,179,319'Deflection yoke for a color CRT'19935,157,301'Color cathode ray tube unit'19925,115,170'Deflection yoke for use in color cathode ray tubes'19924,939,415'Deflection yoke'19904,728,915'Deflection yoke for a color cathode ray tube'19884,600,858'Color cathode ray tube apparatus to modify deflection magnetic fields'1986Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1986–2000Patents assigned to MATSUSHITA ELECTRONICS CORP (11)· patent assignee history
1986–2008Based in Nishinomiya, JP· patent location history
1993–2007Patents assigned to MATSUSHITA ELECTRIC INDUSTRIAL CO LTD (11)· patent assignee history
1996–2004Based in Hyogo, JP· patent location history
2006–2008Patents assigned to MATSUSHITA TOSHIBA PICTURE (6)· patent assignee history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| MATSUSHITA ELECTRIC INDUSTRIAL CO LTD | 11 | 1993–2007 |
| MATSUSHITA ELECTRONICS CORP | 11 | 1986–2000 |
| MATSUSHITA TOSHIBA PICTURE | 6 | 2006–2008 |
Locations
| Location | Patents | Span |
|---|---|---|
| Nishinomiya, JP | 22 | 1986–2008 |
| Hyogo, JP | 5 | 1996–2004 |