TD

Tomohiko Douken

HI Hitachi: 5 patents #7,555 of 28,497Top 30%
HC Hitachi Media Electronics Co.: 1 patents #130 of 214Top 65%
Overall (All Time): #1,052,641 of 4,157,543Top 30%
5
Patents All Time

Issued Patents All Time

Showing 1–5 of 5 patents

Patent #TitleCo-InventorsDate
5793494 CRT display device Isao Kizuya, Kikuo Tomita 1998-08-11
5767632 CRT display device Moritoshi Yoshida, Hidefumi Antoku 1998-06-16
5631517 Ultrasonic motor and driving for the ultrasonic motor Kazuo Kato, Takashi Sase, Kikuo Tomita, Shuzo Oshima, Muneo Chiba +1 more 1997-05-20
5459378 CRT display apparatus Kazuo Kato, Takashi Sase, Fumio Tajima 1995-10-17
5448140 Image display apparatus with a deflection circuit having function for correcting rotational distortion Kikuo Tomita 1995-09-05