Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
MO

Masahiko Otomo — 8 Patents

NINikon: 7 patents #587 of 2,493Top 25%
ULUlvac: 1 patents #339 of 680Top 50%
Yokohama, JP: #12,186 of 49,234 inventorsTop 25%
Overall (All Time): #600,572 of 4,157,543Top 15%
8 Patents All Time
Masahiko Otomo has been granted 8 US patents while listed as an inventor at Nikon. The first was granted in 1997 and the most recent in April 2010. Masahiko Otomo ranks #600,572 of 4,157,543 US inventors in our database (top 14.4%). Patent records list Masahiko Otomo in Yokohama, JP.

Patents per Year

Patents granted per year, 1997 to 2010Bar chart with a peak of 4 patents in 1998.peak 41997: 1 patents19971998: 4 patents19982000: 2 patents20002010: 1 patents2010

Issued Patents All Time

Showing 1–8 of 8 patents

Patent #TitleCo-InventorsDate
7690960 Production method of organic EL device and cleaning method of organic EL device production apparatus Natsuki Takahashi, Koichi Sakasegawa, Takeshi Igarashi, Yasuki Nishinobo, Osamu Irisawa +1 more 2010-04-06
6133561 Electric revolver and electric microscope Kunio Toshimitsu 2000-10-17
6064519 Electrically-driven coarse and fine movement apparatus Kazumasa Aoyama 2000-05-16
5825531 Electrical moving apparatus for microscope 1998-10-20
5719699 Electric revolver apparatus of microscope 1998-02-17
5714749 Focus detecting apparatus and microscope apparatus equipped with the foregoing apparatus Yasuo Yonezawa, Jiro Mizuno 1998-02-03
5706127 Electrically driven microscope Hiroko Saito 1998-01-06
5668716 Controller for two-way serial transmission and adapter for serial port 1997-09-16