YK

Yutaka Kohtani

Canon: 7 patents #7,830 of 19,416Top 45%
Overall (All Time): #764,747 of 4,157,543Top 20%
7
Patents All Time

Issued Patents All Time

Showing 1–7 of 7 patents

Patent #TitleCo-InventorsDate
5608457 Video camera apparatus Masamichi Tohyama 1997-03-04
4956726 Information signal reproducing apparatus in which control signal condition and information signal level are varied so as to correspond Hiroyuki Takimoto, Yoshiyuki Saitoh 1990-09-11
4591919 Automatic focus control system and camera using same Naoya Kaneda, Masamichi Toyama, Susumu Kozuki, Akihiro Fujiwara 1986-05-27
4396955 Muting device Tadao Udagawa 1983-08-02
4311369 Sound motion picture camera 1982-01-19
4274718 Sound motion picture camera Yoshio Komine 1981-06-23
4208108 Sound motion picture projector Takashi Amikura, Kiyoshi Takahashi 1980-06-17