Inventor · disambiguated record
Keiji Yada
Also filed as: YADA KEIJI
3 granted patents·112 citations·filing 1983–2003
74Inventor score
Top patents by PatentIndex Score
3 records- 0190US7218703B2X-ray microscopic inspection apparatusTOHKEN CO LTD·Filed 2003·Granted May 15, 2007·52 cites·8 claims
- 0289US7221731B2X-ray microscopic inspection apparatusTOHKEN CO LTD·Filed 2003·Granted May 22, 2007·56 cites·1 claims
- 0338US4570072AElectromagnetic lens polepiece structureHITACHI LTD·Filed 1983·Granted Feb 11, 1986·4 cites·12 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →