TI

Toshiaki Isogawa

SO Sony: 9 patents #4,874 of 25,231Top 20%
Overall (All Time): #587,614 of 4,157,543Top 15%
9
Patents All Time

Issued Patents All Time

Showing 1–9 of 9 patents

Patent #TitleCo-InventorsDate
6633731 Electronic view finder apparatus Yusuke Nanjo 2003-10-14
6466196 Method of driving backlight, circuit for driving backlight, and electronic apparatus Kazuo Hashimoto, Toshitake Terada 2002-10-15
5689676 Sequential EEPROM writing apparatus which sequentially and repetitively replaces a head position pointer with a last position pointer Harumi Hirose, Toshizumi Ando, Yoshiki Takekawa, Shingo Nakata 1997-11-18
5483280 Arrangement for controlling an iris to regulate light in an optical system Yoshikazu Takahashi, Yutaka Satoh, Shuji Shimizu 1996-01-09
5386231 Video camera Shuji Shimizu, Joichi Sato 1995-01-31
5032909 Image enhancer which utilizes a lowpass filter after an outline extracting circuit Mitsuru Sato, Toshizumi Ando, Shingo Nakata 1991-07-16
4630116 Video signal inverting circuit Ryuji Shiono, Tsutomu Niimura, Joichi Sato, Mitsuru Sato 1986-12-16
4623933 Video camera gain control circuit Joichi Sato, Ryuji Shiono, Tsutomu Nimura, Mitsuru Sato 1986-11-18
4589021 Gamma compensating circuit Joichi Sato, Ryuji Shiono, Tsutomu Niimura, Mitsuru Sato 1986-05-13