Top 20 Japanese institutions in Physical Sciences by international MCS

The table shows the top 20 Japanese institutions in the physical sciences ranked by their international multilateral collaboration score (international MCS) from January 2015 to October 2018. The international MCS sums up the contribution of each Japanese institution and their overseas partners to high-quality research papers in the field. Also listed are each institution's total MCS, fractional count (FC) and article count (AC) in the physical sciences in the Nature Index during the same period.

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#Rank	Institution	International MCS	Total MCS	FC	AC
1	The University of Tokyo (UTokyo)	384.93	947.86	779.74	2,199
2	National Institute for Materials Science (NIMS)	255.03	392.19	205.10	684
3	RIKEN	156.58	446.25	239.97	968
4	Kyoto University	151.06	342.99	285.94	939
5	Tohoku University	135.49	352.48	288.73	776
6	Osaka University	77.93	242.55	174.73	739
7	National Institute of Advanced Industrial Science and Technology (AIST)	66.71	181.04	118.68	348
8	Tokyo Institute of Technology (Tokyo Tech)	59.23	195.93	160.13	656
9	Nagoya University	55.52	166.73	126.80	616
10	Kyushu University	45.35	118.90	93.49	455
11	Hokkaido University	43.95	101.43	85.49	208
12	High Energy Accelerator Research Organization (KEK)	41.80	117.93	64.85	556
13	National Institutes of Natural Sciences (NINS)	40.92	99.80	56.84	307
14	Keio University	40.67	92.29	89.24	171
15	Okinawa Institute of Science and Technology Graduate University (OIST)	28.64	33.37	34.33	72
16	University of Tsukuba	28.50	108.51	58.63	496
17	Hiroshima University (HU)	25.06	52.68	37.00	205
18	Toshiba Corporation	23.15	27.71	24.99	44
19	Hitachi, Ltd.	18.64	28.01	15.63	63
20	Japan Atomic Energy Agency (JAEA)	17.95	60.01	27.55	150