Inventor · disambiguated record
Ichirou Sugiyama
Also filed as: SUGIYAMA ICHIROU
3 granted patents·57 citations·filing 1980–1996
73Inventor score
Top patents by PatentIndex Score
3 records- 0163US4368552AMethod of making self tapping thread forming screwCROWN SCREW CORP·Filed 1980·Granted Jan 18, 1983·22 cites·7 claims
- 0255US5761983AOutput shaft of boosterJIDOSHA KIKI CO·Filed 1996·Granted Jun 9, 1998·15 cites·10 claims
- 0348US4659246AStructure for screwing object on sheet metalCROWN SCREW CORP·Filed 1986·Granted Apr 21, 1987·20 cites·5 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →