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

Mitsuru Oonuma — 107 Patents

HHHitachi High-Technologies: 93 patents #1 of 1,917Top 1%
Hitachi: 10 patents #4,206 of 28,497Top 15%
UNUnknown: 4 patents #4,220 of 83,584Top 6%
SCSumitomo Chemical: 1 patents #2,469 of 4,033Top 65%
TFThermo Fisher: 1 patents #1,332 of 2,015Top 70%
Overall (All Time): #12,732 of 4,157,543Top 1%
107 Patents All Time

Issued Patents All Time

Showing 101–107 of 107 patents

Patent #TitleCo-InventorsDate
D457646 Diagnostic instrument Jason Dominik Hool, Osamu Ohno, Seiji Kamimura 2002-05-21
D456728 Chemical analyzer Atsushi Ninomiya, Kiyotoshi Mori, Toshinobu Shirato, Kazunori Yanagisawa 2002-05-07
D430304 DNA detector Seiji Kamimura, Atsushi Ninomiya, Isamu Takekoshi, Kazumichi Imai 2000-08-29
6042786 Apparatus for automatically analyzing sample Atushi Ninomiya, Atsushi Katayama, Isamu Takekoshi, Ryuji Tao, Hiroyasu Uchida 2000-03-28
5986260 Mass analyzer Seiji Kamimura, Tadao Mimura 1999-11-16
5855847 Apparatus for automatically analyzing sample Atushi Ninomiya, Atsushi Katayama, Isamu Takekoshi, Ryuji Tao, Hiroyasu Uchida 1999-01-05
D394613 Atomic absorption spectrometer Seiji Kamimura, Hayato Tobe, Hiromi Yamashita, Hisashi Kimoto 1998-05-26