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

Sakae Higashidate

JAJasco: 1 patents #46 of 125Top 40%
NKNihon Bunko Kogyo Kabushiki Kaisha: 1 patents #6 of 20Top 30%
UNUnknown: 1 patents #29,356 of 83,584Top 40%
Overall (All Time): #2,287,485 of 4,157,543Top 60%
2 Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
5424216 No radical measuring method and apparatus Tetsuo Nagano, Kazuya Kikuchi, Masaaki Hirobe, Hiroshi Hayakawa, Yasunobu Hirata +1 more 1995-06-13
5013443 Extraction and separation method and apparatus using supercritical fluid Yoshio Yamauchi, Muneo Saito 1991-05-07