Inventor · disambiguated record
Jun Nitta
Also filed as: NITTA JUN
8 granted patents·57 citations·filing 1980–1989
85Inventor score
Top patents by PatentIndex Score
8 records- 0188US4698352A4-oxo-1,4-dihydronicotinic acid derivatives, salts thereof, and antibacterial agents containing the sameTOYAMA CHEMICAL CO LTD·Filed 1983·Granted Oct 6, 1987·30 cites·13 claims
- 0268US4990508APyridone carboxylic acid derivatives and salts thereof, process for producing the same and antibacterial agents comprising the sameTOYAMA CHEMICAL CO LTD·Filed 1989·Granted Feb 5, 1991·18 cites·50 claims
- 0366US4436921A1-(4-Aminobenzyl)-2,3-dioxopiperazine derivatives, acid addition salts thereof and process for producing sameTOYAMA CHEMICAL CO LTD·Filed 1980·Granted Mar 13, 1984·4 cites·4 claims
- 0448US4477666A1-(4-Aminobenzyl)-2,3-dioxopiperazine derivatives, acid addition salts thereof and process for producing sameTOYAMA CHEMICAL CO LTD·Filed 1982·Granted Oct 16, 1984·2 cites·3 claims
- 0546US4460774A1-(4-Aminobenzyl)-2,3-dioxopiperazine derivatives, acid addition salts thereof and process for producing sameTOYAMA CHEMICAL COMPANY LIMITE·Filed 1982·Granted Jul 17, 1984·1 cites·2 claims
- 0641US4477664ANovel 1-(4-piperidiniobenzyl)-2,3-dioxopiperazine derivatives or acid addition salts thereofTOYAMA CHEMICAL CO LTD·Filed 1982·Granted Oct 16, 1984·1 cites·3 claims
- 0741US4448963A4-[4-(Thiazolyl-amino)benzyl]-2,3-dioxopiperazine derivatives, acid addition salts thereof and process for producing sameTOYAMA CHEMICAL CO LTD·Filed 1982·Granted May 15, 1984·1 cites·2 claims
- 0831US4459407A1-(4-Aminobenzyl)-2,3-dioxopiperazine derivatives and salts thereofTOYAMA CHEMICAL CO LTD·Filed 1982·Granted Jul 10, 1984·0 cites·5 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →