TT

Tadao Takagi

NI Nikon: 103 patents #7 of 2,493Top 1%
NK Nippon Kogaku K.K.: 5 patents #67 of 382Top 20%
SO Sony: 4 patents #8,966 of 25,231Top 40%
Overall (All Time): #12,498 of 4,157,543Top 1%
108
Patents All Time

Issued Patents All Time

Showing 101–108 of 108 patents

Patent #TitleCo-InventorsDate
4914337 Power supply frequency regulating device for vibration wave driven motor 1990-04-03
4905035 Camera Toru Fukuhara 1990-02-27
4809030 Camera Toru Fukuhara 1989-02-28
4743788 Input frequency control device for surface acoustic wave motor Shigemasa Sato, Kazuo Hakamada 1988-05-10
4627699 Automatic focusing adaptor for camera lens 1986-12-09
4510411 Drive circuit for surface-wave driven motor utilizing ultrasonic vibration Kazuo Hakamata, Yukio Hyodo 1985-04-09
4482234 Automatic focusing device Nobuo Okabe 1984-11-13
4451729 Automatic focusing device and lens motor control Nobuo Okabe 1984-05-29