Japan

ranking	World Rank	Instituto	Size	Visibility	Files Rich	scholar
1	67	JAMSTEC Repository Japan Agency for Marine-Earth Science and Technology	86	10	112	861
2	71	Kyoto University Research Information Repository	48	136	9	211
3	102	Kyushu University Institutional Repository	334	163	73	182
4	115	Hokkaido University Collection of Scholarly and Academic Papers	84	139	41	432
5	172	University of Tokyo Repository	224	283	74	266
6	180	Nagasaki University Academic Output NAOSITE	320	249	130	276
7	207	(1) Okayama University Scientific Achievement Repository	226	597	70	76
8	244	OUKA Osaka University Knowledge Archive	305	394	90	361
9	273	Kanazawa University Repository for Academic Resources	100	298	54	735
10	284	Kumamoto University Repository	249	570	126	286
11	288	Chiba University Repository	941	277	172	496
12	319	Shinshu University Institutional Repository	265	414	150	523
13	373	Shizuoka University Repository	555	575	287	358
14	396	Nagoya University Repository	472	498	205	535
15	423	Kagoshima University Repository	278	380	264	833
16	427	Waseda University Institutional Repository	324	254	71	1108
17	428	Ochanomizu University Web Library Institutional Repository TeaPot	357	593	40	683
18	439	Osaka Kyoiku University Repository	176	640	265	582
19	458	Saitama United Cyber Repository of Academic Resources	774	526	1323	125
20	468	Japan Advanced Institute of Science and Technology Repository	168	667	202	656
21	474	Shiga University Repository	177	536	418	762
22	479	Yokohama National University Repository	432	404	299	895
23	490	Hirosaki University Repository for Academic Resources	293	581	352	738
24	511	Kansai University Institutional Repository	483	753	405	520
25	530	Aichi University of Education Repository	603	591	462	738
26	539	Tokyo Institute of Technology Tokyo Tech Research Repository	31	897	724	505
27	546	Saga University Institutional Repository	264	842	512	527
28	560	Tohoku University Repository	266	470	49	1156
29	565	Yamaguchi University Navigator for Open Access Collection and Archives YUNOCA	530	795	278	625
30	568	Hosei University Repository	986	821	316	506
31	571	Gunma University Academic Information Repository	604	702	424	725
32	578	Tokyo Gakugei University Repository System	689	315	406	1153
33	580	Mie University Scholarly e-Collections	885	564	333	879
34	583	YOU Campus Repository Yamagata Prefecture Universities	376	784	361	696
35	603	Kanagawa University Repository	888	571	224	971
36	611	Keio University Academic Resource Archive	249	563	1417	410
37	617	Tokyo Metropolitan University Institutional Repository	652	755	562	696
38	647	Nara University of Education Academic Repository	778	768	455	757
39	647	Ryukoku University Institutional Repository	662	811	518	709
40	661	Hitotsubashi University Repository	189	281	115	1343
41	666	Nara Womens University Digital Information Repository	742	697	568	869
42	675	Akita University Institutional Repository System	550	789	689	771
43	709	Japan Aerospace Exploration Agency Repository	1076	657	568	937
44	730	University of Toyama Repository	467	895	260	937
45	749	Tokyo Women's Medical University Information & Knowledge Database TWINKLE	257	441	85	1332
46	757	National Museum of Ethnology Minpaku Repository	526	461	459	1249
47	765	Iwate University Repository	1413	552	1116	713
48	776	Obihiro University of Agriculture and Veterinary Medicine Academic Repository	569	962	473	863
49	776	Digital Library of Nara Institute of Science and Technology	397	744	829	1028
50	781	Kochi University Digital Repository for Academic Resources	996	664	411	1110
51	782	Asahikawa Medical College Repository	681	485	1456	723
52	793	Kyushu Institute of Technology Academic Repository	381	879	445	1044
53	794	Oita University Institutional Repository	381	1031	167	998
54	801	Otaru University of Commerce Academic Collection	801	728	419	1123
55	805	Tokyo University of Foreign Studies Prometheus Academic Collections	166	416	317	1348
56	808	Institute of Developing Economies Academic Research Repository	1029	649	751	1087
57	828	Osaka Prefecture University Repository	853	781	229	1153
58	843	Muroran Institute of Technology Academic Resource Archive	843	992	652	867
59	876	University of Fukui Repository	681	1235	441	758
60	884	University of Miyazaki Repository	785	1079	480	944
61	906	GINMU Global Institutional Repository Nara Medical University	925	982	623	1011
62	917	Kyoto University of Education Repository	515	1195	743	827
63	926	Tottori University Research Result Repository	952	1158	540	893
64	928	Hiroshima University Institutional Repository	399	256	105	1440
65	934	Gakushuin University Institution Repository	1019	1005	694	1018
66	940	Nagoya Institute of Technology Repository System	628	1127	432	1043
67	945	Joetsu University of Education Repository	748	881	683	1171
68	948	Kanto Gakuin University Institutional Repository iLisSurf	1099	994	968	946
69	959	St Luke's College of Nursing Repository	473	976	769	1151
70	960	Gifu University Institutional Repository	148	921	285	1298
71	969	Bunka Women’s University Academic Repository	1109	1080	919	906
72	972	Sapporo Medical University Information and Knowledge Repository	684	1218	420	1023
73	973	Kinki University Academic Resource Repository	876	1118	1417	433
74	981	(1) Utsunomiya University Academic Information Repository	610	819	379	1298
75	986	Hokkaido University Department of Mathematics Institutional Repository	1273	1194	645	863
76	1006	HEART Hyokyo Educational Academic Resources for Teachers	761	743	568	1318
77	1013	Kagoshima Academic Repository Network Kagoshima University	567	1248	931	951
78	1015	Kochi University of Technology Academic Resource Repository	1119	1085	809	1061
79	1017	Sophia University Institutional Repository	701	815	271	1336
80	1021	Shiga University of Medical Science Repository	959	1284	636	953
81	1025	Kwansei Gakuin University Repository	669	590	359	1386
82	1037	Fukuoka University of Education Research Information Repository	1058	1291	785	887
83	1044	Hamamatsu University School of Medicine Repository	879	1040	636	1198
84	1048	National Institute for Fusion Science Repository	577	1295	446	1096
85	1060	Kitami Institute of Technology Repository	846	1028	743	1212
86	1073	Tokyo Dental College Repository	913	582	580	1386
87	1081	Kyoto Institute of Technology Repository	1147	1078	1007	1101
88	1085	Josai University Repository of Academia JURA	1063	1414	551	925
89	1086	Ritsumeikan Asia Pacific University Institutional Repository	718	613	655	1386
90	1108	Mukogawa Wome's University Repository	1178	1308	915	928
91	1114	Chubu University Digital Archives	1224	1305	920	921
92	1131	Chugoku Gakuen University Repository	1199	1217	849	1103
93	1152	Meiji University Academic Repository	471	615	245	1440
94	1160	Beppu University Information Library for Documentation	1085	1123	1375	978
95	1163	Faculty of Science and Technology Archives Keio University	697	1402	658	1138
96	1178	Osaka Jogakuin Research Repository	1023	1508	865	878
97	1182	FUKURO Fukushima University Repository	718	845	465	1402
98	1186	Graduate University for Advanced Studies SOKENDAI Institutional Repository	866	991	1456	1103
99	1192	HARP Hiroshima Associated Repository Portal	427	729	247	1440
100	1206	TsuyamaA National College of Technology Repository	1246	1391	838	1094

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