KY

Katsuhiko Yamamoto

HE Hitachi Kokusai Electric: 12 patents #66 of 843Top 8%
Sumitomo Electric Industries: 9 patents #3,076 of 21,551Top 15%
Fujitsu Limited: 6 patents #5,180 of 24,456Top 25%
TT Toshiba Home Technology: 5 patents #1 of 12Top 9%
HC Hitachi Device Engineering Co.: 3 patents #147 of 514Top 30%
RT Renesas Technology: 3 patents #990 of 3,337Top 30%
KT Kabushiki Kaisha Toshiba: 3 patents #8,011 of 21,451Top 40%
RE Renesas Electronics: 3 patents #1,322 of 4,529Top 30%
FC Fuji Photo Optical Co.: 2 patents #214 of 509Top 45%
TL Takeda Pharmaceutical Company Limited: 2 patents #562 of 1,531Top 40%
NT NTT: 2 patents #2,095 of 4,871Top 45%
HI Hitachi: 2 patents #13,388 of 28,497Top 50%
KE Kokusai Electric: 2 patents #237 of 583Top 45%
TO Toyota: 1 patents #15,335 of 26,838Top 60%
Mazda Motor: 1 patents #2,563 of 4,755Top 55%
NE Nec: 1 patents #7,889 of 14,502Top 55%
NP Nippon Telegraph And Telephone Public: 1 patents #297 of 842Top 40%
OI Oiles: 1 patents #134 of 253Top 55%
WU Wakayama University: 1 patents #3 of 13Top 25%
Aisin Seiki Kabushiki Kaisha: 1 patents #2,094 of 3,782Top 60%
Overall (All Time): #47,542 of 4,157,543Top 2%
54
Patents All Time

Issued Patents All Time

Showing 51–54 of 54 patents

Patent #TitleCo-InventorsDate
4425585 Video tape recorder immune to third-order distortion noise Kunio Sekimoto, Chojuro Yamamitsu, Kozo Kurashina 1984-01-10
4400741 Video tape recorder with inter-channel switching circuit for special modes of reproduction Kunio Sekimoto, Chojuro Yamamitsu, Kozo Kurashina 1983-08-23
4399472 Phase difference compensation between separately recorded luminance and chrominance signals Chojuro Yamamitsu, Kunio Sekimoto, Kozo Kurashina 1983-08-16
4185301 Scanning velocity modulation system Katsumi Mitsuda, Katsumi Adachi, Susumu Tsujihara, Taiichi Saeki, Minoru Takeda 1980-01-22