Inventor · disambiguated record
Hisatsugu Tsuda
Also filed as: TSUDA HISATSUGU
12 granted patents·38 citations·filing 1980–1984
88Inventor score
Top patents by PatentIndex Score
12 records- 0174US4444753APharmaceutical composition comprising extract from poison pouch contents of beeTOYAMA CHEMICAL COMPANY LTD·Filed 1982·Granted Apr 24, 1984·13 cites·10 claims
- 0266US4436921A1-(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
- 0359US4744985ANovel substances having carcinostatic and immunostimulating activity, process for preparing the same and carcinostatic agent containing the sameTOYAMA CHEMICAL CO LTD·Filed 1980·Granted May 17, 1988·8 cites·45 claims
- 0451US4370316APharmaceutical composition comprising extract from poison pouch contents of bee useful for treating decreased immunityTOYAMA CHEMICAL COMPANY LTD·Filed 1980·Granted Jan 25, 1983·4 cites·1 claims
- 0548US4477666A1-(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
- 0646US4460774A1-(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
- 0742US4477437ASubstances having carcinostatic and immunostimulating activityTOYAMA CHEMICAL CO LTD·Filed 1982·Granted Oct 16, 1984·3 cites·12 claims
- 0841US4477664ANovel 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
- 0941US4448963A4-[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
- 1033US4547462AProcess for preparing substance having carcinostatic and immunostimulating activityTOYAMA CHEMICAL CO LTD·Filed 1983·Granted Oct 15, 1985·1 cites·11 claims
- 1131US4459407A1-(4-Aminobenzyl)-2,3-dioxopiperazine derivatives and salts thereofTOYAMA CHEMICAL CO LTD·Filed 1982·Granted Jul 10, 1984·0 cites·5 claims
- 1227US4591558ANovel substances having antitumor and immunostimulating activity, process for preparing the same and antitumor agent containing the sameTOYAMA CHEMICAL CO LTD·Filed 1984·Granted May 27, 1986·0 cites·50 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →