Inventor · disambiguated record
Toshiyuki Umehara
Also filed as: UMEHARA TOSHIYUKI
4 granted patents·52 citations·filing 1991–1993
75Inventor score
Files withNISSAN CHEMICAL IND LTD4
Top patents by PatentIndex Score
4 records- 0187US5116404AUracil derivatives and pesticides containing the same as active ingredientNISSAN CHEMICAL IND LTD·Filed 1991·Granted May 26, 1992·39 cites·13 claims
- 0250US5278163APyridazinone derivatives and compositions for controlling and/or preventing insect pestsNISSAN CHEMICAL IND LTD·Filed 1992·Granted Jan 11, 1994·6 cites·15 claims
- 0347US5516514AInsect controlling agent from strains of Bacillus thuringiensis var. KurstakiNISSAN CHEMICAL IND LTD·Filed 1993·Granted May 14, 1996·5 cites·9 claims
- 0437US5266483ABacillus strain and insect pest controlling agentNISSAN CHEMICAL IND LTD·Filed 1992·Granted Nov 30, 1993·2 cites·3 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →