JH

John G. N. Henderson

HA Hitachi America: 15 patents #5 of 97Top 6%
RC Rca: 14 patents #47 of 1,739Top 3%
HI Hitachi: 4 patents #8,942 of 28,497Top 35%
H( Hitachi Home Electronics (Amerca): 2 patents #7 of 11Top 65%
GE: 1 patents #19,878 of 36,430Top 55%
📍 Princeton, NJ: #99 of 2,186 inventorsTop 5%
🗺 New Jersey: #1,729 of 69,400 inventorsTop 3%
Overall (All Time): #99,219 of 4,157,543Top 3%
35
Patents All Time

Issued Patents All Time

Showing 26–35 of 35 patents

Patent #TitleCo-InventorsDate
4398303 Signal-seeking tuning system with automatic bandswitching for a television receiver Danny Chin, Robert J. Maturo 1983-08-09
4390902 Tuning display for a television receiver Danny Chin, Robert J. Maturo 1983-06-28
4387401 Carrier detector apparatus useful in a multiband sweep type tuning system Robert J. Maturo 1983-06-07
4349840 Apparatus for automatically steering an electrically steerable television antenna 1982-09-14
4342999 Loop antenna arrangements for inclusion in a television receiver Oakley M. Woodward 1982-08-03
4339827 Automatic tuning circuit arrangement with switched impedances Rafael Torres 1982-07-13
4317225 Channel identification apparatus useful in a sweep type tuning system Charles M. Wine 1982-02-23
4291413 Search type tuning system with direct address channel selection apparatus Robert J. Maturo 1981-09-22
4254506 Channel identification apparatus useful in a multiband sweep type tuning system Robert J. Maturo 1981-03-03
4181916 Liquid crystal channel number display responsive to ambient light level 1980-01-01