Inventor · disambiguated record
Keiichi Iizuka
Also filed as: IIZUKA KEIICHI
5 granted patents·62 citations·filing 1998–2003
81Inventor score
Technology areasG03B
Top patents by PatentIndex Score
5 records- 0174USD420028SMicroscopeOLYMPUS OPTICAL CO·Filed 1998·Granted Feb 1, 2000·20 cites·1 claims
- 0269USD502194SStereomicroscopeOLYMPUS CORP·Filed 2003·Granted Feb 22, 2005·17 cites·1 claims
- 0369USD417880SMicroscopeOLYMPUS OPTICAL CO·Filed 1998·Granted Dec 21, 1999·16 cites·1 claims
- 0458US6505004B2Photometric apparatus for microscopeOLYMPUS OPTICAL CO·Filed 2002·Granted Jan 7, 2003·5 cites·7 claims
- 0551US6385403B1Photometric apparatus for microscopeOLYMPUS OPTICAL CO·Filed 1999·Granted May 7, 2002·4 cites·4 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →