Inventor · disambiguated record
Keiji Toei
Also filed as: TOEI KEIJI
5 granted patents·553 citations·filing 1983–1991
84Inventor score
Files withDAINIPPON SCREEN MFG5
Top patents by PatentIndex Score
5 records- 0197US5022961AMethod for removing a film on a silicon layer surfaceDAINIPPON SCREEN MFG·Filed 1990·Granted Jun 11, 1991·452 cites·20 claims
- 0263US5200025AMethod of forming small through-holes in thin metal plateDAINIPPON SCREEN MFG·Filed 1991·Granted Apr 6, 1993·44 cites·32 claims
- 0363US5112437AOxide film removing apparatus and removing method thereof using azeotropic vapor mixtureDAINIPPON SCREEN MFG·Filed 1991·Granted May 12, 1992·38 cites·14 claims
- 0461US4599295APhotosensitive material with two photosensitive layers for forming separate imaged elementsDAINIPPON SCREEN MFG·Filed 1983·Granted Jul 8, 1986·17 cites·7 claims
- 0522US4568627AFilm for chromatic proofreadingDAINIPPON SCREEN MFG·Filed 1983·Granted Feb 4, 1986·2 cites·5 claims
Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →