TK

Tomomitsu Kuroyanagi

HI Hitachi: 14 patents #2,889 of 28,497Top 15%
HI Hitachi Video Engineering, Incorporated: 1 patents #69 of 181Top 40%
Overall (All Time): #358,219 of 4,157,543Top 9%
14
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
5047866 Comb filter type luminance/chrominance signal separation circuit Katsuyuki Watanabe, Atsushi Yoshioka, Michio Masuda, Toshiro Aizawa 1991-09-10
4858030 Reproducing apparatus of a video disc player Masuo Oku, Yoshimichi Kudo, Kazuo Kondo, Hisanobu Tsukazaki, Tetsuya Ikeda +2 more 1989-08-15
4782246 Phase shift circuit for electrical signal Yukinari Ueki, Shuzo Matsumoto, Masanori Kamiya 1988-11-01
4748422 Amplifier circuit suitable for use as an active filter circuit Shuzo Matsumoto, Yukinari Ueki, Masanori Kamiya 1988-05-31
4612585 Chrominance signal recording and reproducing apparatus Osamu Takase 1986-09-16
4607292 Automatic phase control color signal circuit for video tape recorders operating in the NTSC or PAL systems Noboru Kojiam, Akira Shibata, Isao Nakagawa 1986-08-19
4586083 Ghost reduction circuit arrangement for a television receiver 1986-04-29
4554596 Color video signal recording apparatus Akira Shibata, Noboru Kojima 1985-11-19
4550345 Magnetic video pilot signal recording/reproducing system Toshimichi Terada, Noboru Kozima, Akira Shibata 1985-10-29
4524380 Chroma signal recording and reproducing circuit Akira Shibata, Keiichi Komatsu, Noboru Kojima 1985-06-18
4476491 Ghost reduction circuit for television receiver Toshinori Murata, Masafumi Kazumi 1984-10-09
4367484 Picture-in-picture color television receiver Hitoshi Miyagawa 1983-01-04
4249213 Picture-in-picture television receiver Takuya Imaide, Michio Masuda 1981-02-03
4205335 Circuit arrangement for separating chrominance and luminance information in a composite video signal of an NTSC system Isao Nakagawa, Hiroaki Nabeyama 1980-05-27