Inventor · disambiguated record
Kunikatsu Shirahata
Also filed as: ISHII SHINZO · MATSUBARA ISAO · NARA TAKASHI · SHIRAHATA KUNIKATSU
36 granted patents·253 citations·filing 1975–1988
97Inventor score
Files withKYOWA HAKKO KOGYO KK27ABBOTT LAB7KYOWA HAKKO KOGYO COMPANY LTD1KYOWA HAKKO KOGYO KABUSHIKI1
Top patents by PatentIndex Score
36 records- 0193US4691024ANew mitomycin derivatives, preparation thereof and pharmaceutical compositions containing themKYOWA HAKKO KOGYO KK·Filed 1986·Granted Sep 1, 1987·87 cites·5 claims
- 0289US4555402APhysiologically active substance K-252, process for producing same and pharmaceutical composition containing sameKYOWA HAKKO KOGYO KK·Filed 1984·Granted Nov 26, 1985·41 cites·3 claims
- 0385US4395558A9-Epi-mitomycin B and D compoundsKYOWA HAKKO KOGYO KK·Filed 1981·Granted Jul 26, 1983·15 cites·4 claims
- 0484US4055715AMethod of producing 1-N-[L-(-)-α-hydroxy-γ-aminobutyryl]XK-62-2ABBOTT LAB·Filed 1975·Granted Oct 25, 1977·22 cites·6 claims
- 0574US4511560AAntibiotic substances DC-45, and their use as medicamentsKYOWA HAKKO KOGYO KK·Filed 1982·Granted Apr 16, 1985·14 cites·5 claims
- 0669US4459291ACompounds having antibiotic activity, processes for their preparation, pharmaceutical compositions containing them and their use as medicamentsKYOWA HAKKO KOGYO KK·Filed 1982·Granted Jul 10, 1984·10 cites·5 claims
- 0761US4264504AMitomycin derivativesKYOWA HAKKO KOGYO KK·Filed 1979·Granted Apr 28, 1981·5 cites·5 claims
- 0860US4522812ANovel physiologically active substance K-4, a process for preparation thereof and a pharmaceutical composition containing the sameKYOWA HAKKO KOGYO KK·Filed 1982·Granted Jun 11, 1985·7 cites·2 claims
- 0958US4374774AMitomycinsKYOWA HAKKO KOGYO KK·Filed 1980·Granted Feb 22, 1983·6 cites·5 claims
- 1052US4894362AEel growth hormoneKYOWA HAKKO KOGYO KK·Filed 1986·Granted Jan 16, 1990·9 cites·10 claims
- 1151US4771068AMitomycin derivatives having anti-tumor and antibacterial utilityKYOWA HAKKO KOGYO KK·Filed 1986·Granted Sep 13, 1988·3 cites·6 claims
- 1249US4346075AAntibiotic DC-11 and process for production thereofKYOWA HAKKO KOGYO KK·Filed 1981·Granted Aug 24, 1982·4 cites·4 claims
- 1348US4241182AFortimicin factors KG1, KG2 and KG3 and processes for production thereofKYOWA HAKKO KOGYO KK·Filed 1979·Granted Dec 23, 1980·3 cites·5 claims
- 1448US4132846A1-N-(α-Hydroxy-β-aminopropionyl) XK-62-2 and method of production thereofABBOTT LAB·Filed 1977·Granted Jan 2, 1979·3 cites·1 claims
- 1543US4209612AFortimicin factors KF and KG and process for production thereofABBOTT LAB·Filed 1978·Granted Jun 24, 1980·2 cites·2 claims
- 1642US4393056AAntibiotics tetronolide compounds and process for production thereofKYOWA HAKKO KOGYO KK·Filed 1981·Granted Jul 12, 1983·3 cites·2 claims
- 1738US4216308AFortimicin factors D and KE compoundsABBOTT LAB·Filed 1978·Granted Aug 5, 1980·4 cites·3 claims
- 1837US4645755AFish growth hormoneKYOWA HAKKO KOGYO KK·Filed 1985·Granted Feb 24, 1987·3 cites·4 claims
- 1936US4218562AAntibiotic derivatives of XK-62-2ABBOTT LAB·Filed 1978·Granted Aug 19, 1980·1 cites·5 claims
- 2035US4623722AFortimicin factor KG3KYOWA HAKKO KOGYO KK·Filed 1980·Granted Nov 18, 1986·0 cites·1 claims
- 2135US4298690AAntibiotics XK-62-3 and XK-62-4 and process for production thereofKYOWA HAKKO KOGYO KK·Filed 1978·Granted Nov 3, 1981·3 cites·10 claims
- 2235US4296040AAntibiotic nanaomycin E and a process for producing the sameKYOWA HAKKO KOGYO KK·Filed 1979·Granted Oct 20, 1981·1 cites·1 claims
- 2335US4109077AAntibiotic derivatives of xk-62-2 compoundsABBOTT LAB·Filed 1976·Granted Aug 22, 1978·1 cites·5 claims
- 2434US4353986AProcess for producing antibiotic nanaomycin EKYOWA HAKKO KOGYO KK·Filed 1981·Granted Oct 12, 1982·0 cites·4 claims
- 2533US4692310ASubstance K-259-2 and a process for producing the sameKYOWA HAKKO KOGYO KK·Filed 1986·Granted Sep 8, 1987·1 cites·5 claims
- 2633US4145253AProcess for producing fortimicin factorsABBOTT LAB·Filed 1977·Granted Mar 20, 1979·3 cites·11 claims
- 2732US4853385A7-N,8-N-Ethylenemitomycin 8-iminesKYOWA HAKKO KOGYO KK·Filed 1988·Granted Aug 1, 1989·0 cites·5 claims
- 2831US4748251A7-n-aminomethylenemitomycin derivativeKYOWA HAKKO KOGYO KK·Filed 1986·Granted May 31, 1988·0 cites·1 claims
- 2931US4683220ANovel physiologically active substances K-26, a process for preparation thereof and a pharmaceutical composition containing the sameKYOWA HAKKO KOGYO KK·Filed 1986·Granted Jul 28, 1987·0 cites·3 claims
- 3030US4733000AOptially active 1-amino-2-(4-hydroxyphenyl)ethylphosphonic acid and derivatives thereofKYOWA HAKKO KOGYO KK·Filed 1986·Granted Mar 22, 1988·0 cites·4 claims
- 3129US4563462ASubstance AX-2, a process for producing the same and an antitumor composition containing the sameKYOWA HAKKO KOGYO KABUSHIKI·Filed 1983·Granted Jan 7, 1986·1 cites·4 claims
- 3229US4310661AAntibiotics XK-62-3 and XK-62-4 and process for production thereofKYOWA HAKKO KOGYO KK·Filed 1980·Granted Jan 12, 1982·0 cites·3 claims
- 3328US4438197ACompound DC-38-V and process for production thereofKYOWA HAKKO KOGYO KK·Filed 1982·Granted Mar 20, 1984·0 cites·4 claims
- 3428US4340725ANovel compound DC-38-V and process for production thereofKYOWA HAKKO KOGYO KK·Filed 1980·Granted Jul 20, 1982·0 cites·1 claims
- 3526US4962125ANovel substance KS-619-1, preparation process and pharmaceutical compositionKYOWA HAKKO KOGYO KK·Filed 1988·Granted Oct 9, 1990·0 cites·3 claims
- 3626US4618613APreventive and healing composition for diseases due to lipoxygenase metabolic productsKYOWA HAKKO KOGYO COMPANY LTD·Filed 1985·Granted Oct 21, 1986·1 cites·9 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →