Inventor · disambiguated record
Keiji Koyanagi
Also filed as: KOYANAGI KEIJI
3 granted patents·62 citations·filing 1993–2008
71Inventor score
Top patents by PatentIndex Score
3 records- 0170US8208600B2X-ray generating apparatus and X-ray CT apparatus using the sameTSUMURAYA YOSHIAKI·Filed 2008·Granted Jun 26, 2012·5 cites·14 claims
- 0270US5561697AMicrotron electron acceleratorHITACHI MEDICAL CORP·Filed 1995·Granted Oct 1, 1996·52 cites·4 claims
- 0337US5399873AMicrotron electron acceleratorHITACHI MEDICAL CORP·Filed 1993·Granted Mar 21, 1995·5 cites·25 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →