Percentage of documents with some author with more than one academic affiliations

Name: Scimago Institutions Rankings
Creator: Scimago Lab
Keywords: scientific information, scopus, universities, institutions, scientometrics, bibliometrics, hospitals

2025 Edition - Period 2019-2023

JPN

Top 50 authors

	University	Total %	National %	International %
1	Obihiro University of Agriculture and Veterinary Medicine	33.83	15.33	20.50
2	Okinawa Institute of Science and Technology Graduate University	31.39	7.33	25.04
3	Nippon Dental University *	25.17	17.73	7.71
4	University of Kitakyushu	24.59	0.78	24.07
5	Hoshi University	21.47	20.00	1.47
6	Tohoku Medical and Pharmaceutical University *	21.44	20.33	1.24
7	International University of Health and Welfare *	21.08	18.93	2.29
8	Japan Advanced Institute of Science and Technology	19.92	3.62	16.53
9	Meijo University	19.89	15.05	6.26
10	St. Luke's International University	19.88	14.94	5.06
11	Tokyo Medical and Dental University	18.01	13.68	4.93
12	Kochi University of Technology	17.82	10.82	9.82
13	University of Tokyo *	17.45	11.41	6.50
14	Nagasaki University *	17.34	8.68	9.47
15	Kyoto Pharmaceutical University	17.34	16.05	1.46
16	Kyoto University *	17.13	11.31	6.39
17	Kyoto Sangyo University	16.75	15.55	1.30
18	Osaka University *	16.61	11.89	5.44
19	Hokkaido University of Health Sciences	16.58	11.90	4.81
20	Ryukoku University	16.54	15.46	1.25
21	Chubu University	16.39	14.58	3.84
22	Tokyo University of Agriculture and Technology	16.08	9.83	7.16
23	Fujita Health University *	15.91	12.83	3.30
24	Tohoku University *	15.79	8.48	7.79
25	Tokyo Institute of Technology	15.75	7.78	8.46
26	Kyoto Prefectural University	15.60	14.43	1.46
27	Waseda University	15.57	9.39	6.79
28	The Jikei University School of Medicine *	15.53	8.72	6.93
29	Yokohama City University *	15.16	12.46	4.55
30	Ehime University *	15.15	11.08	4.63
31	Tokyo University of Technology	15.10	7.41	7.79
32	Kanazawa University *	15.09	8.56	6.94
33	University of the Ryukyus *	14.96	9.91	5.74
34	Tokyo University of Marine Science and Technology	14.93	4.90	10.26
35	Niigata University of Health and Welfare	14.89	13.87	1.02
36	Kumamoto University *	14.76	7.19	7.99
37	Keio University *	14.62	11.45	3.76
38	University of Shizuoka	14.58	13.46	1.37
39	Graduate University for Advanced Studies	14.47	12.10	2.88
40	Nara Institute of Science and Technology	14.26	8.87	5.94
41	Hokkaido University *	14.25	7.28	7.50
42	Kanagawa University	14.21	10.47	3.99
43	Shiga University of Medical Science *	14.20	11.92	2.87
44	Gifu University *	14.18	10.47	4.38
45	Kyushu University *	14.12	7.64	6.86
46	Kagoshima University *	14.08	10.36	4.71
47	Osaka Dental University *	14.00	12.47	1.53
48	University of Tsukuba *	13.86	8.79	5.70
49	Tokyo Metropolitan University	13.86	8.89	5.41
50	Fukushima Medical University *	13.84	13.31	2.36
51	Shimane University *	13.83	6.76	8.35
52	Nagoya University *	13.70	9.33	4.93
53	Tokyo University of Pharmacy and Life Science	13.62	12.23	1.54
54	Tokushima Bunri University	13.54	12.37	1.31
55	Osaka Institute of Technology	13.43	4.24	9.27
56	Chiba Institute of Technology	13.39	12.51	1.52
57	Kagawa University *	13.16	5.71	7.98
58	Teikyo University *	13.11	11.71	1.57
59	Iwate University	13.07	10.68	3.35
60	Sojo University	12.82	7.40	5.42
61	Tokyo Gakugei University	12.82	12.09	1.28
62	Tokyo University of Agriculture	12.65	11.14	1.50
63	Nagoya City University *	12.42	10.92	1.76
64	Juntendo University *	12.41	10.07	2.84
65	Ochanomizu University	12.38	11.78	0.80
66	Gifu Pharmaceutical University	12.30	11.75	0.82
67	Saitama University	12.25	6.03	6.65
68	Kyoto Prefectural University of Medicine	12.24	11.04	2.08
69	Dokkyo Medical University *	12.24	11.26	1.01
70	Yokohama National University	12.18	7.16	5.68
71	Hiroshima University *	12.11	6.12	6.20
72	Aichi Medical University *	12.05	10.79	1.33
73	Nara Women's University	12.02	8.35	4.40
74	Shinshu University *	11.96	8.17	4.13
75	Chiba University *	11.93	8.11	4.41
76	Tokyo University of Science	11.90	10.27	2.15
77	Tokyo Medical University *	11.88	10.83	3.26
78	St Marianna University School of Medicine *	11.77	8.20	3.69
79	Utsunomiya University	11.70	9.13	3.86
80	Kanazawa Medical University *	11.68	10.68	0.93
81	Tokushima University *	11.61	6.76	4.98
82	Gakushuin University	11.51	10.80	1.28
83	Kobe University *	11.51	8.10	3.65
84	Toyo University	11.49	9.28	2.33
85	Saga University *	11.48	9.83	2.32
86	Rikkyo University	11.47	9.45	2.02
87	Ritsumeikan University	11.44	8.11	3.80
88	Aichi Gakuin University	11.43	7.13	4.30
89	Osaka Metropolitan University *	11.32	8.66	2.86
90	International Christian University	11.26	6.08	4.95
91	Okayama University *	11.12	5.67	5.87
92	Japan Women's University	11.11	10.27	1.05
93	Shizuoka University	10.99	5.66	5.98
94	Kochi University *	10.96	8.11	3.27
95	Hitotsubashi University	10.88	5.58	7.00
96	Kwansei Gakuin University	10.80	8.90	1.91
97	Setsunan University	10.67	10.67
98	Kansai Medical University *	10.66	8.67	1.86
99	Kurume University *	10.64	6.48	4.59
100	Akita Prefectural University	10.58	6.69	4.01
101	Kyoto Institute of Technology	10.56	7.19	4.47
102	University of Fukui *	10.52	8.59	2.10
103	Okayama University of Science	10.50	9.55	1.02
104	Tokyo Womens Medical University *	10.48	9.23	1.25
105	University of Yamanashi *	10.45	6.76	3.88
106	Nagoya Institute of Technology	10.42	3.87	6.65
107	Ibaraki University	10.40	8.32	2.50
108	Toyohashi University of Technology	10.38	3.40	7.15
109	Showa University *	10.35	8.81	1.60
110	University of Toyama *	10.33	6.31	4.21
111	Wakayama Medical University *	10.32	8.98	1.46
112	University of Hyogo	10.28	9.03	1.38
113	Niigata University *	10.07	7.48	3.90
114	National Defense Medical College *	10.07	9.33	0.80
115	Tottori University *	10.04	5.99	4.45
116	Azabu University	9.87	9.27	0.71
117	Mie University *	9.87	5.45	4.53
118	Oita University *	9.84	5.57	4.68
119	Kyushu Institute of Technology	9.73	3.32	6.55
120	Yamaguchi University *	9.72	5.33	4.73
121	Gunma University *	9.59	6.56	3.24
122	Chuo University	9.55	8.12	1.56
123	Aoyama Gakuin University	9.49	7.93	1.76
124	Toyama Prefectural University	9.48	7.30	2.75
125	Shibaura Institute of Technology	9.46	3.45	6.07
126	Hamamatsu University School of Medicine *	9.45	7.10	2.81
127	Fukushima University	9.41	6.48	2.93
128	Soka University	9.38	4.44	5.26
129	Doshisha University	9.32	8.19	1.22
130	Asahikawa Medical University	9.22	7.03	2.49
131	University of Shiga Prefecture	9.17	8.10	1.07
132	Hirosaki University *	9.09	6.17	3.05
133	Nippon Veterinary and Life Science University	9.09	7.61	1.48
134	Osaka Medical and Pharmaceutical University *	9.05	7.68	1.41
135	Wakayama University	9.01	2.25	6.91
136	Kitasato University *	8.80	7.83	1.30
137	Meiji University	8.68	6.74	1.99
138	Toho University *	8.62	6.19	2.49
139	Tokyo City University	8.56	4.39	4.45
140	Sophia University	8.51	6.13	2.91
141	Rakuno Gakuen University	8.48	6.82	1.97
142	Kansai University	8.39	7.42	1.37
143	Konan University	8.31	7.32	1.42
144	Kyorin University *	8.28	7.63	0.74
145	Nihon University *	8.19	6.53	1.77
146	Kawasaki Medical School *	8.12	7.11	0.73
147	Yamagata University *	8.11	6.33	2.19
148	Kindai University *	8.10	7.23	1.02
149	University of Miyazaki *	8.00	5.09	3.06
150	Toyota Technological Institute	7.93	5.72	2.95
151	Aichi Center for Industry and Science Technology	7.84	6.68	1.16
152	Akita University *	7.79	5.96	1.95
153	Hosei University	7.75	2.91	4.92
154	Nagaoka University of Technology	7.70	2.48	5.39
155	Jichi Medical University *	7.55	6.20	1.68
156	University of Occupational and Environmental Health	7.55	5.87	1.68
157	Hyogo College of Medicine *	7.50	6.70	0.80
158	Kogakuin University	7.41	3.47	4.07
159	Seikei University	7.37	6.94	0.43
160	Meiji Pharmaceutical University	7.35	6.75	0.60
161	University of Electro-Communications	7.29	4.63	3.04
162	Hiroshima City University	6.87	5.52	1.34
163	Tokyo Dental College *	6.71	4.72	1.91
164	Saitama Medical University *	6.68	4.01	0.23
165	Tokai University *	6.64	4.35	2.67
166	Nippon Medical School *	6.34	5.70	0.71
167	Fukuoka University *	6.32	4.88	1.53
168	Iwate Medical University *	6.13	5.23	0.99
169	Tokyo Denki University	6.12	5.71	0.40
170	Nara Medical University *	6.03	4.66	1.34
171	National Defense Academy of Japan	5.99	1.97	4.02
172	University of Aizu	5.98	1.81	4.17
173	Muroran Institute of Technology	5.59	2.50	3.09
174	Kitami Institute of Technology	4.75	3.86	0.88
175	Sapporo Medical University *	4.72	4.33	0.39
176	Kanagawa Institute of Technology	4.67	4.36	0.31
177	Nagasaki Institute of Applied Science	4.28	0.82	3.46
178	Fukuoka Institute of Technology	4.04	2.18	1.86
179	Kanazawa Institute of Technology	2.37	1.78	0.59
180	Kyoto University of Education	0.68	0.23	0.45