The chart shows the distribution of publications by all Research.com ranked scientists in the field of Materials Science in 2026. The highlighted bar marks where Koichi Niihara sits on this spectrum.
This scientist: 780 publications — 97th percentile
97% of scientists in this discipline score the same or lower.
The last bar groups every scientist with 1,163 publications or more.
The chart shows the D-index (discipline H-index) distribution of Materials Science scientists ranked by Research.com in 2026. The highlighted bar marks where Koichi Niihara sits on this spectrum.
This scientist: 73 D-Index — 71st percentile
71% of scientists in this discipline score the same or lower.
The last bar groups every scientist with 165 D-Index or more.
Koichi Niihara is affiliated with Nagaoka University of Technology in Japan and has contributed extensively to the fields of engineering and materials science. Their research encompasses multiple subfields including materials chemistry, civil and structural engineering, mechanical engineering, ceramics, composites, and biomedical engineering.
The scientist's work covers a variety of main topics such as advanced ceramic materials synthesis, advanced materials and composites, dielectric materials and actuators, vibration control and rheological fluids, concrete and cement materials research, transition metal oxide nanomaterials, and ferroelectric and piezoelectric materials.
Koichi Niihara has published frequently in several journals, with notable repeated publication venues including:
The scientist's collaborative network includes multiple frequent co-authors such as Tadachika Nakayama, Hisayuki Suematsu, Thi Mai Dung, Ayahisa Okawa, and Son Thanh Nguyen.
Representative recent papers authored or co-authored by Koichi Niihara include:
Tomoko Kasuga;Masayoshi Hiramatsu;Akihiko Hoson;Toru Sekino
Tomoko Kasuga;Masayoshi Hiramatsu;Akihiko Hoson;Tohru Sekino
Koichi Niihara
Unknown
Atsushi Nakahira;Koichi Niihara
F. Wakai;Y. Kodama;S. Sakaguchi;N. Murayama
Tohru Sekino;Toshio Nakajima;Satoru Ueda;Koichi Niihara
Tatsuki Ohji;Young-Keun Jeong;Yong-Ho Choa;Koichi Niihara
Katsuaki Suganuma;Koichi Niihara;Takeshi Shoutoku;Yoshikazu Nakamura
Takeo Oku;Takanori Hirano;Masaki Kuno;Takafumi Kusunose
Manwar Hussain;Atsushi Nakahira;Koichi Niihara
Wei Feng;Enhai Sun;Akihiko Fujii;Hongcai Wu
K.B. Zhang;Z.Y. Fu;J.Y. Zhang;W.M. Wang
Z. J. Shen;E. Adolfsson;M. Nygren;L. Gao
Masahiro Nawa;Syoichi Nakamoto;Tohru Sekino;Koichi Niihara
Koichi Niihara;Atsushi Nakahira;Toshio Hirai
M. Nawa;T. Sekino;K. Niihara
Hyoungjoon Park;Hyoun-Ee Kim;Koichi Niihara
Sung Tag Oh;Tohru Sekino;Koichi Niihara
Manwar Hussain;Yong-Ho Choa;Koichi Niihara
Akihiro Sawaguchi;Kohji Toda;Koichi Niihara
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