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

Kazuhiro Oki — 56 Patents

FUFujifilm: 42 patents #105 of 4,519Top 3%
Fujitsu Limited: 6 patents #5,180 of 24,456Top 25%
Canon: 5 patents #9,253 of 19,416Top 50%
FCFuji Electric Co.: 1 patents #1,354 of 2,643Top 55%
IBM: 1 patents #44,794 of 70,183Top 65%
Overall (All Time): #44,504 of 4,157,543Top 2%
56 Patents All Time

Issued Patents All Time

Showing 51–56 of 56 patents

Patent #TitleCo-InventorsDate
6454858 Curtain coating apparatus Yoshinobu Katagiri 2002-09-24
6387455 Coating method and apparatus including an air shielding device Yoshinobu Katagiri, Kiyoshi Kobayashi, Satoru Fujisaki, Kimio Yukawa 2002-05-14
6294023 Curtain coating apparatus and method Yoshinobu Katagiri, Yasushi Suga 2001-09-25
6287384 Curtain coating method and apparatus for photographic printing paper Yoshinobu Katagiri 2001-09-11
5665275 Optical device and optical apparatus including same Naoki Kobayashi, Shoichi Shimura 1997-09-09
5117104 Angular displacement detecting device utilizing a tubular casing having a chamber wherein a fluoroliquid is sealed Naoki Kobayashi, Shoichi Shimura 1992-05-26