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Researcher · The University of Osaka · Japan

Koji Hirano

Koji Hirano publishes mostly in Organic Chemistry, Inorganic Chemistry and Mechanical Engineering, on topics such as Catalytic C–H Functionalization Methods, Catalytic Cross-Coupling Reactions and Synthesis and Catalytic Reactions.

ORCID 0000-0001-9752-1985 OpenAlex
World rank
#213,622
of 7,710,434 ranked researchers
Rank in Japan
#1,644
of 383,136
Works
672
Citations
22k
Citations per work
32.1
h-index
85
i10-index 258Top 0.2% in Organic Chemistry
Koji Hirano

What does Koji Hirano research?

Koji Hirano's work is mostly in Chemistry (79%), Engineering (5%), Pharmacology, Toxicology and Pharmaceutics (2%).

Physical Sciences: 564 works · 83.9% of their workChemistry: 532 works · 79.2% of their workOrganic Chemistry: 494 works · 73.5% of their workInorganic Chemistry: 38 works · 5.7% of their workEngineering: 32 works · 4.7% of their workMechanical Engineering: 17 works · 2.6% of their workElectrical and Electronic Engineering: 14 works · 2.1% of their workEverything else: 83 works · 12.3% of their workLife Sciences: 26 works · 3.8% of their workPharmacology, Toxicology and Pharmaceutics: 15 works · 2.3% of their workPharmaceutical Science: 15 works · 2.3% of their workBiochemistry, Genetics and Molecular Biology: 10 works · 1.5% of their workMolecular Biology: 10 works · 1.5% of their workTHEIR WORKKoji Hirano672works
Life Sciences4%Physical Sciences84%

Their six largest subfields, inside their fields and domains; the grey slice is everything else they publish. The interactive view splits every one of their works down to single topics.

The fields and subfields, with their numbers
    1. Chemistry53279.2%
    2. Engineering324.7%
  2. Everything else8312.3%
    1. Pharmacology, Toxicology and Pharmaceutics152.3%
    2. Biochemistry, Genetics and Molecular Biology101.5%
  1. 1Organic Chemistry74% of their works
  2. 2Inorganic Chemistry6% of their works
  3. 3Mechanical Engineering3% of their works
  4. 4Pharmaceutical Science2% of their works
  5. 5Electrical and Electronic Engineering2% of their works
  6. 6Molecular Biology2% of their works

Research topics

Which keywords describe Koji Hirano's research?

The keywords of their largest research topics: Transition Metal Catalysis, Metal-Catalyzed Reactions, Organic Synthesis, Carbon–Carbon Bond Formation, C–H Activation, Aryl Halides, Cross-Coupling Reactions and Palladium-Catalyzed.

Size is their works in the topics tagged with each word, from their 8 largest topics. Each links to the topic it comes from most. The words come from the keyword list OpenAlex gives each topic, not from the text of the papers, so a word can appear that none of the papers uses.

All 22 words, with their numbers
  1. Transition Metal Catalysis5972 topics
  2. Metal-Catalyzed Reactions4342 topics
  3. Organic Synthesis3733 topics
  4. Carbon–Carbon Bond Formation3701 topic
  5. C–H Activation3701 topic
  6. Aryl Halides3232 topics
  7. Cross-Coupling Reactions2271 topic
  8. Palladium-Catalyzed2271 topic
  9. Medicinal Chemistry2162 topics
  10. Transition Metal Complexes1873 topics
  11. Amination1201 topic
  12. Catalytic1201 topic
  13. Sulfur Bond Formation961 topic
  14. Transition-Metal-Catalyzed961 topic
  15. Asymmetric Catalysis711 topic
  16. Hydrogenation711 topic
  17. Frustrated Lewis Pairs661 topic
  18. Metal-Free Hydrogen Activation661 topic
  19. Carbene Chemistry641 topic
  20. Cyclopropanation641 topic
  21. Electrochemical Methods501 topic
  22. Visible Light Photoredox Catalysis501 topic

Where does Koji Hirano work?

Koji Hirano's main affiliation in the publication record is The University of Osaka, Japan.

How many publications and citations does Koji Hirano have?

OpenAlex counts 672 works and 21,563 citations for Koji Hirano, an h-index of 85, ranking #213,622 of 7,710,434 researchers worldwide on the quality score.

Ranked on field-normalised citation excellence (50%), output (30%) and citations (20%). Counts come from OpenAlex author records, which occasionally merge different people who share a name or split one person into several.

Other researchers named Koji Hirano

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