Patent Leaderboard
USPTO Patent Rankings Data through Sept 30, 2025
KK

Kazuyuki Kazami — 108 Patents

NINikon: 93 patents #9 of 2,493Top 1%
NKNippon Kogaku K.K.: 15 patents #13 of 382Top 4%
Overall (All Time): #12,471 of 4,157,543Top 1%
108 Patents All Time

Issued Patents All Time

Showing 101–108 of 108 patents

Patent #TitleCo-InventorsDate
4511233 Charge control device in a flash device for a camera Yoshiaki Ohtsubo 1985-04-16
4441774 Flash device of a camera Yoshiaki Ohtsubo 1984-04-10
4423470 Lens barrel suitable for flash photography Hideshi Naito, Hideyo Nozawa 1983-12-27
4407573 Pop up flash device control for a camera Hiroshi Wakabayashi, Yoshiaki Ohtsubo, Shigeo Akasaka 1983-10-04
4373792 Flashlight photographing device Hideyo Nozawa, Hideshi Naito 1983-02-15
4362369 Camera having a data photographing device Nobuyoshi Hagyuda 1982-12-07
4362373 Shutter control device for a camera having a shutter release lock device Yoshiaki Ohtsubo 1982-12-07
4302085 Shutter time adjustment for a flash mode and/or film-leader location Yoshiaki Ohtsubo, Yasunori Kitamura 1981-11-24