Inventor · disambiguated record
Yujiro Sei
Also filed as: SEI YUJIRO
3 granted patents·99 citations·filing 2001–2002
72Inventor score
Files withHAMAMATSU PHOTONICS KK3
Top patents by PatentIndex Score
3 records- 0194US6601972B2Deuterium lamp box and portable light source apparatusHAMAMATSU PHOTONICS KK·Filed 2002·Granted Aug 5, 2003·87 cites·10 claims
- 0266US6637913B2Portable light source apparatusHAMAMATSU PHOTONICS KK·Filed 2001·Granted Oct 28, 2003·7 cites·16 claims
- 0352US6644835B2Portable light source apparatusHAMAMATSU PHOTONICS KK·Filed 2001·Granted Nov 11, 2003·5 cites·5 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →