Inventor · disambiguated record
Osamu Yoshioka
Also filed as: UMEZAWA HAMAO · YOSHIOKA OSAMU
5 granted patents·13 citations·filing 1978–1979
74Inventor score
Files withNIPPON KAYAKU KK5
Top patents by PatentIndex Score
5 records- 0161US4215049AAntitumorigenic lactone derivativeNIPPON KAYAKU KK·Filed 1978·Granted Jul 29, 1980·4 cites·1 claims
- 0244US4273761AMethod of enhancing absorption of antitumor agent into gastrointestinal tumor site and orally administrable antitumor compositions thereforNIPPON KAYAKU KK·Filed 1978·Granted Jun 16, 1981·4 cites·12 claims
- 0338US4195018A3-[(S)-1'-Phenylethylamino]propylaminobleomycin, non-toxic salt thereof, and method for producing sameNIPPON KAYAKU KK·Filed 1978·Granted Mar 25, 1980·4 cites·2 claims
- 0435US4238391A3-[(S)-1'-phenylethylamino]propylaminobleomycin, non-toxic salt thereof, and method for producing sameNIPPON KAYAKU KK·Filed 1979·Granted Dec 9, 1980·1 cites·5 claims
- 0531US4327081AMethod of enhancing absorption of antitumor agent into gastro-intestinal tumor site and orally administrable antitumor compositions thereforNIPPON KAYAKU KK·Filed 1979·Granted Apr 27, 1982·0 cites·12 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →