The chart shows the distribution of publications by all Research.com ranked scientists in the field of Chemistry in 2026. The highlighted bar marks where Hiromitsu Takayama sits on this spectrum.
This scientist: 403 publications — 80th percentile
80% of scientists in this discipline score the same or lower.
The last bar groups every scientist with 1,295 publications or more.
The chart shows the D-index (discipline H-index) distribution of Chemistry scientists ranked by Research.com in 2026. The highlighted bar marks where Hiromitsu Takayama sits on this spectrum.
This scientist: 68 D-Index — 64th percentile
64% of scientists in this discipline score the same or lower.
The last bar groups every scientist with 159 D-Index or more.
Hiromitsu Takayama is affiliated with Chiba University in Japan and is active in research areas spanning biochemistry, genetics, molecular biology, and chemistry. Their publications reflect a focus on molecular biology and organic chemistry, with notable involvement also in pharmacology, biochemistry, and materials chemistry.
The scientist's research topics concentrate on various aspects of chemical synthesis and alkaloids, cholinesterase and neurodegenerative diseases, as well as alkaloids' synthesis and pharmacology. Other topics include traditional and medicinal uses of Annonaceae, sulfur compounds in biology, redox biology and oxidative stress, and glutathione transferases and polymorphisms.
Frequent collaborators include Mariko Kitajima, Hayato Ishikawa, Shinya Shiomi, Noriyuki Kogure, and Wilailak Kaewsri.
Key publication venues in which Takayama has contributed include:
Recent significant publications by Takayama include:
Other notable papers connected with their research field or coauthors but authored by different primary authors include:
Takayama's research integrates synthetic chemical approaches to biologically relevant alkaloids, studying both their chemical and pharmacological properties. The scientific output suggests significant intersections with neurodegenerative disease-related biochemical pathways through cholinesterase-related studies and redox biology.
Tai-Hyun Kang;Kinzo Matsumoto;Michihisa Tohda;Yukihisa Murakami
Hiromitsu Takayama
Yayoi Kobayashi;Yasumitsu Ogra;Kazuya Ishiwata;Hiromitsu Takayama
Hiromitsu Takayama;Hayato Ishikawa;Mika Kurihara;Mariko Kitajima
Kenjiro Matsumoto;Syunji Horie;Hayato Ishikawa;Hiromitsu Takayama
Tai-Hyun Kang;Yukihisa Murakami;Kinzo Matsumoto;Hiromitsu Takayama
Dhavadee Ponglux;Sumphan Wongseripipatana;Hiromitsu Takayama;Masae Kikuchi
Takayuki Tohge;Regina Wendenburg;Hirofumi Ishihara;Ryo Nakabayashi
Mariko Kitajima;Ikue Mori;Kazumichi Arai;Noriyuki Kogure
K. Saito;H. Sudo;M. Yamazaki;M. Koseki-Nakamura
Yasumitsu Ogra;Kazuya Ishiwata;Hiromitsu Takayama;Norio Aimi
Tai-Hyun Kang;Yukihisa Murakami;Hiromitsu Takayama;Mariko Kitajima
Yasuyo Yamazaki;Akiko Urano;Hiroshi Sudo;Mariko Kitajima
Hiromitsu Takayama;Ikue Mori;Mariko Kitajima;Norio Aimi
Euis H. Hakim;Sjamsul A. Achmad;Lia D. Juliawaty;Lukman Makmur
Ruri Kikura-Hanajiri;Maiko Kawamura;Takuro Maruyama;Mariko Kitajima
Hayato Ishikawa;Hiromitsu Takayama;Norio Aimi
Yohei Matsuda;Mariko Kitajima;Hiromitsu Takayama
Mariko Kitajima;Tomonori Nakamura;Noriyuki Kogure;Mio Ogawa
Klement Foo;Timothy Newhouse;Ikue Mori;Hiromitsu Takayama
Ryo Nakabayashi;Miyako Kusano;Makoto Kobayashi;Takayuki Tohge
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