Inventor · disambiguated record
Yoshio Hamashima
Also filed as: HAMASHIMA YOSHIO · TSUJI TERUJI
38 granted patents·1 pending application·545 citations·filing 1976–2003
98Inventor score
Top patents by PatentIndex Score
39 records- 0198US4634697ACarboxyalkenamidocephalosporinsSHIONOGI & CO·Filed 1985·Granted Jan 6, 1987·101 cites·18 claims
- 0288US4066641AMethod for cyclization to give cephem ringHAMASHIMA YOSHIO·Filed 1976·Granted Jan 3, 1978·25 cites·8 claims
- 0387US4812561ACrystalline hydrate of oral cephalosporin and its compositionSHIONOGI & CO·Filed 1987·Granted Mar 14, 1989·97 cites·4 claims
- 0487US4346218ACyclization process to form cephem ringSHIONOGI & CO·Filed 1980·Granted Aug 24, 1982·14 cites·4 claims
- 0584US4183855AOxazolinoazetidinylbutyric acid derivativesSHIONOGI & CO·Filed 1978·Granted Jan 15, 1980·12 cites·1 claims
- 0683US4079181ACertain 7-oxo-4-thio-2,6-diazabicyclo-3,2,0-hept-2-ene compoundsSHIONOGI & CO·Filed 1976·Granted Mar 14, 1978·19 cites·11 claims
- 0782US4220766AOxazolinesSHIONOGI & CO·Filed 1978·Granted Sep 2, 1980·9 cites·4 claims
- 0879US4366316A1-Oxadethiacepham compounds and process for producing said compoundsSHIONOGI & CO·Filed 1981·Granted Dec 28, 1982·11 cites·21 claims
- 0978US4933443AMethod for preparing crystalline hydrate of oral celphalosporin and its compositionSHIONOGI & CO·Filed 1988·Granted Jun 12, 1990·55 cites·8 claims
- 1078US4232151ADihydrotriazinylthiooxacephalosporinsSHIONOGI & CO·Filed 1978·Granted Nov 4, 1980·11 cites·56 claims
- 1177US4532233AFluoromethylthiooxacephalosporinsSHIONOGI & CO·Filed 1983·Granted Jul 30, 1985·15 cites·9 claims
- 1272US4081595AReduction giving 3-cephem compoundsSHIONOGI & CO·Filed 1976·Granted Mar 28, 1978·8 cites·6 claims
- 1371US4731362AAlkylcarbamoyloxymethylcephem compoundsSHIONOGI & CO·Filed 1986·Granted Mar 15, 1988·18 cites·5 claims
- 1471US4604460A1-oxadethiacepham compoundsSHIONOGI & CO·Filed 1983·Granted Aug 5, 1986·7 cites·2 claims
- 1570US5017380AGelatin hard capsule containing crystalline hydrate of oral cephalosporinSHIONOGI & CO·Filed 1990·Granted May 21, 1991·44 cites·3 claims
- 1670US4647658AProcess for preparing aminohydroxycephamcarboxylatesSHIONOGI & CO·Filed 1985·Granted Mar 3, 1987·12 cites·6 claims
- 1770US4332722ACyclization to form cephem ring and intermediates thereforSHIONOGI & CO·Filed 1980·Granted Jun 1, 1982·7 cites·6 claims
- 1870US4130557AMethod for the hydrolysis of azetidinothiazoline compoundsSHIONOGI & CO·Filed 1976·Granted Dec 19, 1978·6 cites·5 claims
- 1968US4143038ACephalosporin analoguesSHIONOGI & CO·Filed 1977·Granted Mar 6, 1979·5 cites·2 claims
- 2067US4478997A1-Oxadethiacepham compoundsSHIONOGI & CO·Filed 1983·Granted Oct 23, 1984·4 cites·4 claims
- 2166US4226864A7-Substituted aminoacetamido oxadethiacephalosporinsSHIONOGI & CO·Filed 1977·Granted Oct 7, 1980·14 cites·16 claims
- 2265US4731361AAlkeneamidocephalosporin estersSHIONOGI & CO·Filed 1986·Granted Mar 15, 1988·7 cites·17 claims
- 2365US4160085ACyclization to form cephem ring and intermediates thereforSHIONOGI & CO·Filed 1977·Granted Jul 3, 1979·9 cites·5 claims
- 2463US4254119A3-Unsubstituted-3-cephem compoundsSHIONOGI & CO·Filed 1979·Granted Mar 3, 1981·11 cites·44 claims
- 2562US4443598A1-Oxadethiacepham compoundsSHIONOGI & CO·Filed 1982·Granted Apr 17, 1984·5 cites·4 claims
- 2660US4491547AFluoromethylthioacetic acid compoundsSHIONOGI & CO·Filed 1981·Granted Jan 1, 1985·4 cites·4 claims
- 2759US4578378A(Oxoheterocyclic carbonamido)cephem carboxylic acid derivativesSHIONOGI & CO·Filed 1984·Granted Mar 25, 1986·4 cites·14 claims
- 2850US4748170ACarboxyalkenamidocephalosporinsSHIONOGI & CO·Filed 1986·Granted May 31, 1988·2 cites·9 claims
- 2945US4271295AOxazolinesSHIONOGI & CO·Filed 1980·Granted Jun 2, 1981·4 cites·1 claims
- 3045US4197402ACephalosporin analoguesSHIONOGI & CO·Filed 1979·Granted Apr 8, 1980·1 cites·10 claims
- 3144US4569993AMalonyloxacephemcarboxylic acid derivativesSHIONOGI & CO·Filed 1984·Granted Feb 11, 1986·1 cites·4 claims
- 3244US2006110781A1Cholesterol detection reagentRIKEN·Filed 2003·Application pending·0 cites
- 3341US4271296AOxazolinesSHIONOGI & CO·Filed 1980·Granted Jun 2, 1981·3 cites·6 claims
- 3436US4912224ACarboxyalkenamidocephalosporinsSHIONOGI & CO·Filed 1987·Granted Mar 27, 1990·0 cites·8 claims
- 3536US4533730A1-Oxadethiacepham compoundsSHIONOGI & CO·Filed 1983·Granted Aug 6, 1985·0 cites·6 claims
- 3636US4504659A1-Oxadethiacepham compoundsSHIONOGI & CO·Filed 1983·Granted Mar 12, 1985·0 cites·3 claims
- 3732US4283333Aα-[4-Oxoazetidin-1-yl]-acetic acid compounds useful as intermediates in preparing 1-oxadethiacephalosporinsSHIONOGI & CO·Filed 1979·Granted Aug 11, 1981·0 cites·23 claims
- 3831US4592865AAzetidinone intermediates for cephalosporin analogsSHIONOGI & CO·Filed 1984·Granted Jun 3, 1986·0 cites·7 claims
- 3930US4183928AHaloarylmalonamidooxacephalosporinsSHIONOGI & CO·Filed 1978·Granted Jan 15, 1980·0 cites·8 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →