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

Kenji Katori — 36 Patents

Sony: 33 patents #1,002 of 25,231Top 4%
YEYokogawa Electric: 2 patents #398 of 1,441Top 30%
DEDexerials: 1 patents #248 of 387Top 65%
Murakami, JP: #4 of 31 inventorsTop 15%
Overall (All Time): #93,510 of 4,157,543Top 3%
36 Patents All Time

Issued Patents All Time

Showing 26–36 of 36 patents

Patent #TitleCo-InventorsDate
6274454 Method for fabricating dielectric capacitor 2001-08-14
6043561 Electronic material, its manufacturing method, dielectric capacitor, non-volatile memory and semiconductor device Katsuyuki Hironaka, Koji Watanabe 2000-03-28
6011284 Electronic material, its manufacturing method, dielectric capacitor, nonvolatile memory and semiconductor device Nicolas Nagel, Koji Watanabe, Masahiro Tanaka 2000-01-04
5994153 Fabrication process of a capacitor structure of semiconductor memory cell Nicolas Nagel 1999-11-30
5991126 Perpendicular magnetic recording and perpendicular magnetic reproducing apparatus Kazuhiko Hayashi, Akihiko Okabe 1999-11-23
5864153 Capacitor structure of semiconductor memory cell and fabrication process thereof Nicolas Nagel 1999-01-26
5837392 Soft magnetic thin film and thin film magnetic head using same Hiroyuki Ohmori, Mitsuharu Shouji, Hiroshi Onuma 1998-11-17
5699214 Magnetic information detecting apparatus Hiroshi Kano, Kazuhiko Hayashi, Akihiko Okabe, Kiyoshi Kagawa, Atsuko Suzuki 1997-12-16
5599635 Magnetic recording system Mitsuharu Shouji, Kazuhiko Hayashi 1997-02-04
5182690 Fe-N-based soft magnetic thin films and magnetic heads using such films Masatoshi Hayakawa, Koichi Aso, Kazuhiko Hayashi, Kazuo Kajiwara 1993-01-26
5057380 Soft magnetic thin films of alloys of FeCoNi or FeCoDy and laminates comprising alternate layers of face centered cubic and body centered cubic crystal structure Kazuhiko Hayashi, Masatoshi Hayakawa, Koichi Aso 1991-10-15