Inventor · disambiguated record
Keiji Oyoshi
Also filed as: OYOSHI KEIJI
3 granted patents·32 citations·filing 1990–1992
70Inventor score
Files withNIPPON SHEET GLASS CO LTD3
Top patents by PatentIndex Score
3 records- 0147US5066514AMethod of forming optical waveguides by ion implantationNIPPON SHEET GLASS CO LTD·Filed 1990·Granted Nov 19, 1991·15 cites·10 claims
- 0238US4986841AMethod of preparing an alkali metal diffusion preventive layerNIPPON SHEET GLASS CO LTD·Filed 1990·Granted Jan 22, 1991·9 cites·4 claims
- 0333US5234843AMethod of making a semiconductor film where the hydrogen and/or fluorine is released prior to ion beam crystallizationNIPPON SHEET GLASS CO LTD·Filed 1992·Granted Aug 10, 1993·8 cites·1 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →