Inventor · disambiguated record
Yoshiyuki Koyama
Also filed as: KOYAMA YOSHIYUKI
9 granted patents·4 pending applications·232 citations·filing 1980–2022
88Inventor score
Files withKOYAMA YOSHIYUKI6NIPPON OILS & FATS CO LTD2ZAIDAN HOJIN BISEIBUTSU2MEIJI SEIKA KAISHA1UNIV KEIO1
Top patents by PatentIndex Score
13 records- 0193US10716874B2Material to form a hydrogelKOYAMA YOSHIYUKI·Filed 2017·Granted Jul 21, 2020·21 cites·8 claims
- 0288US5206384AActinonin derivatives and pharmaceutically acceptable salts thereofZAIDAN HOJIN BISEIBUTSU·Filed 1991·Granted Apr 27, 1993·68 cites·6 claims
- 0382US5478575APolymers having benzeneboronic acid groups and insulin complexes of same of a sugar response typeNIPPON OILS & FATS CO LTD·Filed 1993·Granted Dec 26, 1995·73 cites·5 claims
- 0478US5130126APolymer-drug conjugate and a method of producing itNIPPON OILS & FATS CO LTD·Filed 1991·Granted Jul 14, 1992·61 cites·3 claims
- 0567US11045575B2Material to form a hydrogelKOYAMA YOSHIYUKI·Filed 2020·Granted Jun 29, 2021·0 cites·9 claims
- 0666US4393058ACephalosporin compoundsMEIJI SEIKA KAISHA·Filed 1980·Granted Jul 12, 1983·6 cites·3 claims
- 0760US8492142B2Freeze-dried product for introducing nucleic acid, oligonucleic acid or derivative thereofKOYAMA YOSHIYUKI·Filed 2012·Granted Jul 23, 2013·0 cites·4 claims
- 0859US2024277891A1Medical treatment material and method for producing sameKOYAMA YOSHIYUKI·Filed 2022·Application pending·0 cites
- 0953US7550512B2Medical polymers and uses thereofUNIV KEIO·Filed 2004·Granted Jun 23, 2009·0 cites·3 claims
- 1052US2009130761A1Freeze-Dried Product for Introducing Nucleic Acid, Oligonucleic Acid or Derivative ThereofKOYAMA YOSHIYUKI·Filed 2007·Application pending·0 cites
- 1151US2015224222A1Material to form a hydrogelKOYAMA YOSHIYUKI·Filed 2015·Application pending·0 cites
- 1246US5003055AAnthracycline derivatives having inhibitory activity against reverse transcriptase of human immunodeficiency virusZAIDAN HOJIN BISEIBUTSU·Filed 1988·Granted Mar 26, 1991·3 cites·12 claims
- 1336US2004097659A1Medical polymers and uses thereofFiled 2002·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →