Inventor · disambiguated record
Kasumi Koyama
Also filed as: KOYAMA KASUMI
3 granted patents·9 citations·filing 2000–2002
63Inventor score
Technology areasC02F
Files withSURFCERA CO LTD3
Top patents by PatentIndex Score
3 records- 0158US6365193B1Anti-bacteria agent made from shell, and methods for purifying and desalinating water and for washing agricultural products with use thereofSURFCERA CO LTD·Filed 2000·Granted Apr 2, 2002·6 cites·7 claims
- 0251US6863829B2Anti-bacteria agent made from shell, and methods for purifying and desalinating water and for washing agricultural products with use thereofSURFCERA CO LTD·Filed 2002·Granted Mar 8, 2005·3 cites·10 claims
- 0339US6488978B2Anti-bacteria agent made from shell, and methods for purifying and desalinating water and for washing agricultural products with use thereofSURFCERA CO LTD·Filed 2001·Granted Dec 3, 2002·0 cites·8 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →