Koichi Hirayama

66 papers and 777 indexed citations i.

About

Koichi Hirayama is a scholar working on Electrical and Electronic Engineering, Atomic and Molecular Physics, and Optics and Surfaces, Coatings and Films. According to data from OpenAlex, Koichi Hirayama has authored 66 papers receiving a total of 777 indexed citations (citations by other indexed papers that have themselves been cited), including 54 papers in Electrical and Electronic Engineering, 27 papers in Atomic and Molecular Physics, and Optics and 20 papers in Surfaces, Coatings and Films. Recurrent topics in Koichi Hirayama’s work include Photonic and Optical Devices (27 papers), Microwave Engineering and Waveguides (23 papers) and Electromagnetic Simulation and Numerical Methods (23 papers). Koichi Hirayama is often cited by papers focused on Photonic and Optical Devices (27 papers), Microwave Engineering and Waveguides (23 papers) and Electromagnetic Simulation and Numerical Methods (23 papers). Koichi Hirayama collaborates with scholars based in Japan and United States. Koichi Hirayama's co-authors include Yasuhidé Tsuji, M. Koshiba, Takashi Yasui, Elias N. Glytsis and Thomas K. Gaylord and has published in prestigious journals such as Optics Express, Japanese Journal of Applied Physics and IEEE Transactions on Microwave Theory and Techniques.

In The Last Decade

Fields of papers citing papers by Koichi Hirayama

Since Specialization
EngineeringComputer SciencePhysics and AstronomyMathematicsEarth and Planetary SciencesEnergyEnvironmental ScienceMaterials ScienceChemical EngineeringChemistryAgricultural and Biological SciencesVeterinaryDecision SciencesArts and HumanitiesBusiness, Management and AccountingSocial SciencesPsychologyEconomics, Econometrics and FinanceHealth ProfessionsDentistryMedicineBiochemistry, Genetics and Molecular BiologyNeuroscienceNursingImmunology and MicrobiologyPharmacology, Toxicology and Pharmaceutics

This network shows the specialization of papers citing the papers produced by Koichi Hirayama. Nodes represent fields, and links connect fields that are likely to share authors. The network helps show where Koichi Hirayama may publish in the future.

Countries citing papers authored by Koichi Hirayama

Since Specialization
Citations

This map shows the geographic impact of Koichi Hirayama's research. It shows the number of citations coming from papers published by authors working in each country. You can also color the map by specialization and compare the number of citations received by Koichi Hirayama with the expected number of citations based on a country's size and research output (numbers larger than one mean the country cites Koichi Hirayama more than expected).

Rankless by CCL
2025