Inventor · disambiguated record
Shigehara Koyama
Also filed as: KOYAMA SHIGEHARA
1 granted patent·13 citations·filing 1990–1990
35Inventor score
Technology areasA01N
Files withBAYER AGROCHEM KK1
Top patents by PatentIndex Score
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →