Kimio Hirooka

682 total citations
29 papers, 498 citations indexed

About

Kimio Hirooka is a scholar working on Molecular Biology, Geophysics and Atmospheric Science. According to data from OpenAlex, Kimio Hirooka has authored 29 papers receiving a total of 498 indexed citations (citations by other indexed papers that have themselves been cited), including 21 papers in Molecular Biology, 19 papers in Geophysics and 15 papers in Atmospheric Science. Recurrent topics in Kimio Hirooka's work include Geomagnetism and Paleomagnetism Studies (21 papers), Geology and Paleoclimatology Research (15 papers) and Geological and Geochemical Analysis (13 papers). Kimio Hirooka is often cited by papers focused on Geomagnetism and Paleomagnetism Studies (21 papers), Geology and Paleoclimatology Research (15 papers) and Geological and Geochemical Analysis (13 papers). Kimio Hirooka collaborates with scholars based in Japan, Slovakia and United States. Kimio Hirooka's co-authors include Naoto Kawai, Tadashi Nakajima, Sadao Sasajima, N. Kawai, Hiromi Sakai, G. Brent Dalrymple, Akira Takeuchi, Theo van Leeuwen, Yo‐ichiro Otofuji and Susumu Nishimura and has published in prestigious journals such as Nature, Journal of Geophysical Research Atmospheres and Journal of Applied Physics.

In The Last Decade

Kimio Hirooka

28 papers receiving 398 citations

Peers — A (Enhanced Table)

Peers by citation overlap · career bar shows stage (early→late) cites · hero ref

Name h Career Trend Papers Cites
Kimio Hirooka Japan 16 338 282 267 115 37 29 498
J. S. V. van Zijl South Africa 12 384 1.1× 217 0.8× 137 0.5× 118 1.0× 21 0.6× 16 463
K. W. T. Graham South Africa 7 242 0.7× 303 1.1× 204 0.8× 60 0.5× 32 0.9× 7 347
S. A. Vincenz United States 12 234 0.7× 266 0.9× 156 0.6× 39 0.3× 47 1.3× 24 334
M. Prévôt France 17 454 1.3× 456 1.6× 333 1.2× 21 0.2× 32 0.9× 28 584
G. Pullaiah India 8 653 1.9× 753 2.7× 466 1.7× 103 0.9× 130 3.5× 11 854
Norman D. Watkins United States 12 359 1.1× 218 0.8× 376 1.4× 56 0.5× 104 2.8× 15 611
A. Brock Kenya 17 375 1.1× 408 1.4× 284 1.1× 111 1.0× 184 5.0× 24 649
Hidefumi Tanaka Japan 18 630 1.9× 704 2.5× 623 2.3× 30 0.3× 39 1.1× 40 803
Arthur D. Raff 7 342 1.0× 189 0.7× 168 0.6× 111 1.0× 14 0.4× 10 504
Fritz Theyer United States 12 131 0.4× 184 0.7× 276 1.0× 45 0.4× 110 3.0× 18 338

Countries citing papers authored by Kimio Hirooka

Since Specialization
Citations

This map shows the geographic impact of Kimio Hirooka'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 Kimio Hirooka with the expected number of citations based on a country's size and research output (numbers larger than one mean the country cites Kimio Hirooka more than expected).

Fields of papers citing papers by Kimio Hirooka

Since Specialization
Physical SciencesHealth SciencesLife SciencesSocial Sciences

This network shows the impact of papers produced by Kimio Hirooka. Nodes represent research fields, and links connect fields that are likely to share authors. Colored nodes show fields that tend to cite the papers produced by Kimio Hirooka. The network helps show where Kimio Hirooka may publish in the future.

Co-authorship network of co-authors of Kimio Hirooka

This figure shows the co-authorship network connecting the top 25 collaborators of Kimio Hirooka. A scholar is included among the top collaborators of Kimio Hirooka based on the total number of citations received by their joint publications. Widths of edges represent the number of papers authors have co-authored together. Node borders signify the number of papers an author published with Kimio Hirooka. Kimio Hirooka is excluded from the visualization to improve readability, since they are connected to all nodes in the network.

All Works

20 of 20 papers shown
1.
Sakai, Hideo, M. Funaki, Tomonori Sato, et al.. (1997). PALEOMAGNETIC STUDY OF RAJMAHAL TRAP IN INDIA : DISCUSSION OF GEOMAGNETIC DIPOLE MOMENT AND RECONSTRUCTION OF GONDWANALAND. 10. 68–78. 4 indexed citations
2.
Takigami, Yutaka, et al.. (1995). ^ Ar-^ Ar AGES AND PALEOMAGNETIC DATA FOR METAMORPHIC AND IGNEOUS ROCKS FROM MAHANADI AND GODAVARI GRABENS, EAST INDIA. 8. 277. 1 indexed citations
3.
Hirooka, Kimio. (1991). Quaternary Paleomagnetic Studies in Japan.. The Quaternary Research (Daiyonki-Kenkyu). 30(3). 151–160. 3 indexed citations
4.
Hirooka, Kimio, Ryoji Yamada, Masaru Yamashita, & Akira Takeuchi. (1990). Paleomagnetic evidence of the rotation of central Japan and the paleoposition of Japan. Palaeogeography Palaeoclimatology Palaeoecology. 77(3-4). 345–354. 10 indexed citations
5.
Nakajima, Tadashi & Kimio Hirooka. (1986). Clockwise Rotation of Southwest Japan Inferred from Paleomagnetism of Miocene Rocks in Fukui Prefecture. Journal of geomagnetism and geoelectricity. 38(5). 513–522. 12 indexed citations
6.
Sakai, Hiromi & Kimio Hirooka. (1986). Archaeointensity Determinations from Western Japan. Journal of geomagnetism and geoelectricity. 38(12). 1323–1329. 26 indexed citations
7.
Hirooka, Kimio. (1977). Geomagnetic Variation During the Late Quaternary. The Quaternary Research (Daiyonki-Kenkyu). 16(3). 105–115. 1 indexed citations
8.
Hirooka, Kimio. (1977). Recent Trend in Archaeomagnetic and Palaeomagnetic Studies in Quaternary Research. The Quaternary Research (Daiyonki-Kenkyu). 15(4). 200–203. 8 indexed citations
9.
Hirooka, Kimio, et al.. (1977). Paleomagnetic study of the greenstone in the Mugi-Kamiaso area, Gifu Prefecture, central Japan.. The Journal of the Japanese Association of Mineralogists Petrologists and Economic Geologists. 72(9). 340–353. 8 indexed citations
10.
Larson, E. E., Richard L. Reynolds, M. Ozima, et al.. (1975). Paleomagnetism of Miocene Volcanic Rocks of Guam and the Curvature of the Southern Mariana Island Arc. Geological Society of America Bulletin. 86(3). 346–346. 36 indexed citations
11.
Larson, E. E., Richard L. Reynolds, R. T. Merrill, et al.. (1974). Major-element petrochemistry of some extrusive rocks from the volcanically active Mariana Islands. Bulletin of Volcanology. 38(1). 361–377. 18 indexed citations
12.
Kawai, Naoto, et al.. (1973). The Oscillation of Field in the Matuyama Geomagnetic Epoch. Proceedings of the Japan Academy. 49(8). 619–622. 7 indexed citations
13.
Hirooka, Kimio. (1971). Archaeomagnetic Study for the Past 2,000 Years in Southwest Japan. Kyoto University Research Information Repository (Kyoto University). 38(2). 167–207. 45 indexed citations
14.
Kawai, Naoto, et al.. (1971). On a Possible Land Block Movement of Hokkaido Relative to the Main Island of Japan. Journal of geomagnetism and geoelectricity. 23(2). 243–248. 5 indexed citations
15.
Kawai, Naoto, Kimio Hirooka, & Tadashi Nakajima. (1969). Palaeomagnetic and potassium-argon age informations supporting cretaceous-tertiary hypothetic bend of the main island Japan. Palaeogeography Palaeoclimatology Palaeoecology. 6. 277–282. 24 indexed citations
16.
Kawai, Naoto, Fumihisa Ono, & Kimio Hirooka. (1968). A New Explanation for the Magnetic Memory of α-Fe2O3 on the Basis of a Negative Pressure Effect on the Morin Transition Point. Journal of Applied Physics. 39(2). 712–713. 11 indexed citations
17.
Kawai, Naoto & Kimio Hirooka. (1967). Wobbling Motion of the Geomagnetic Dipole Field in Historic Time During These 2000 Years. Journal of geomagnetism and geoelectricity. 19(3). 217–227. 32 indexed citations
18.
Kawai, N., et al.. (1967). A vibration of geomagnetic axis around the geographic north pole in the historic time. Earth and Planetary Science Letters. 3. 48–50. 17 indexed citations
19.
Kawai, Naoto, Kimio Hirooka, & Sadao Sasajima. (1965). Counterclockwise Rotation of the Geomagnetic Dipole Axis Revealed in the World-Wide Archaeo-Secular Variations. Proceedings of the Japan Academy. 41(5). 398–403. 21 indexed citations
20.
Dalrymple, G. Brent & Kimio Hirooka. (1965). Variation of potassium, argon, and calculated age in a late Cenozoic basalt. Journal of Geophysical Research Atmospheres. 70(20). 5291–5296. 20 indexed citations

Rankless uses publication and citation data sourced from OpenAlex, an open and comprehensive bibliographic database. While OpenAlex provides broad and valuable coverage of the global research landscape, it—like all bibliographic datasets—has inherent limitations. These include incomplete records, variations in author disambiguation, differences in journal indexing, and delays in data updates. As a result, some metrics and network relationships displayed in Rankless may not fully capture the entirety of a scholar's output or impact.

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