Inventor · disambiguated record
Shigeru Toyosumi
Also filed as: TOYOSUMI SHIGERU
4 granted patents·59 citations·filing 1974–1993
77Inventor score
Top patents by PatentIndex Score
4 records- 0163US5222922AInscribed meshing planetary gear constructionSUMITOMO HEAVY INDUSTRIES·Filed 1992·Granted Jun 29, 1993·19 cites·4 claims
- 0256US5116291AMotor driven wheel using hypocyclic planetary bearing with axial positive engagement meansSUMITOMO HEAVY INDUSTRIES·Filed 1991·Granted May 26, 1992·21 cites·10 claims
- 0348US5352163AStep-up or reduction gear series using internally meshing planetary gear structureSUMITOMO HEAVY INDUSTRIES·Filed 1993·Granted Oct 4, 1994·12 cites·6 claims
- 0437US3946620AGear with a trochoidal curved diskSUMITOMO SHIPBUILD MACHINERY·Filed 1974·Granted Mar 30, 1976·7 cites·2 claims
Join the waitlist — get patent alerts
Get an alert when Shigeru Toyosumi files or is granted a new patent.
We store only your email — no account needed. See our privacy policy.
Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →