Inventor · disambiguated record
Tohru Koyanagi
Also filed as: KOYANAGI TOHRU
3 granted patents·22 citations·filing 1980–1983
68Inventor score
Files withISHIHARA MINING & CHEMICAL CO3
Top patents by PatentIndex Score
3 records- 0182US4310530AN-benzoyl N-pyridyloxy phenyl ureaISHIHARA MINING & CHEMICAL CO·Filed 1980·Granted Jan 12, 1982·14 cites·9 claims
- 0266US4504665AProcess for producing chloronicotinic acid compoundsISHIHARA MINING & CHEMICAL CO·Filed 1983·Granted Mar 12, 1985·6 cites·6 claims
- 0350US4344951AN-Benzoyl N'-pyridyloxy phenyl ureaISHIHARA MINING & CHEMICAL CO·Filed 1981·Granted Aug 17, 1982·2 cites·3 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →