Surgery research in Japan

#	Institution	World rank	Score	Top-10% rate	Works
1	The University of TokyoTokyo	#144	32.2	9.5%	548
2	Kyoto UniversityKyoto	#219	26.5	7.5%	491
3	The University of OsakaOsaka	#265	23.9	9.4%	410
4	Nagoya UniversityNagoya	#289	22.7	7.2%	397
5	Tokyo Medical and Dental UniversityTokyo	#308	21.9	10.9%	249
6	Keio UniversityTokyo	#312	21.7	9.4%	373
7	Kyushu UniversityFukuoka	#342	20.5	8.0%	353
8	Tohoku UniversitySendai	#360	19.8	8.8%	352
9	Hokkaido UniversitySapporo	#386	18.8	6.0%	318
10	National Cancer Center Hospital EastKashiwa	#440	17.0	14.1%	184
11	Kobe UniversityKobe	#454	16.6	8.9%	357
12	Korea UniversityTokyo	#483	15.7	12.3%	76
13	Hiroshima UniversityHiroshima	#488	15.6	8.5%	324
14	Yokohama City UniversityYokohama	#494	15.4	6.2%	355
15	Japanese Foundation For Cancer ResearchTokyo	#500	15.3	9.2%	194
16	Chiba UniversityChiba	#514	14.9	6.9%	299
17	Okayama UniversityOkayama	#524	14.6	7.6%	326
18	University of TsukubaTsukuba	#546	14.1	5.5%	292
19	Juntendo UniversityTokyo	#553	13.9	7.0%	388
20	Kumamoto UniversityKumamoto	#604	12.7	8.7%	163
21	Kanazawa UniversityKanazawa	#607	12.6	6.0%	225
22	Jichi Medical UniversityShimotsuke	#630	12.1	8.0%	311
23	Osaka International Cancer InstituteOsaka	#640	11.9	11.9%	76
24	Wakayama Medical UniversityWakayama	#661	11.5	8.1%	159
25	Jikei University School of MedicineTokyo	#677	11.1	6.8%	321
26	Gifu UniversityGifu City	#720	10.3	9.0%	158
27	Kindai UniversityOsaka	#726	10.2	9.8%	178
28	Teikyo UniversityTokyo	#734	10.0	9.2%	180
29	Kansai Medical UniversityOsaka	#735	10.0	7.7%	161
30	Aichi Cancer CenterNagoya	#737	10.0	10.3%	78
31	Shinshu UniversityMatsumoto	#743	9.9	6.0%	168
32	Ehime UniversityMatsuyama	#763	9.5	7.2%	96
33	Fujita Health UniversityToyoake	#770	9.4	8.4%	204
34	National Center for Global Health and MedicineTokyo	#774	9.3	8.3%	94
35	Osaka Metropolitan UniversityOsaka	#781	9.2	6.2%	125
36	Tokai UniversityTokyo	#782	9.2	9.2%	176
37	Kitasato UniversityTokyo	#783	9.1	6.6%	153
38	Nippon Medical SchoolTokyo	#793	9.0	7.3%	244
39	St. Marianna University School of MedicineKawasaki	#800	8.9	7.4%	136
40	Takatsuki General HospitalTakatsuki	#816	8.6	7.6%	60
41	Osaka University of Pharmaceutical SciencesTakatsuki	#818	8.6	6.8%	175
42	Hamamatsu University School of MedicineHamamatsu	#819	8.5	7.2%	145
43	Osaka City UniversityOsaka	#821	8.5	7.3%	77
44	Tokyo Women's Medical UniversityTokyo	#823	8.5	5.5%	215
45	Tokyo Medical UniversityTokyo	#826	8.4	6.4%	232
46	Niigata UniversityNiigata	#836	8.3	6.3%	170
47	Mie UniversityTsu	#840	8.2	6.9%	173
48	Kyoto Prefectural University of MedicineKyoto	#842	8.2	8.4%	159
49	University of FukuiFukui-shi	#865	7.8	7.3%	77
50	Tottori UniversityTottori-shi	#867	7.8	8.1%	103
51	International University of Health and WelfareŌtawara	#868	7.8	6.9%	178
52	Tokushima UniversityTokushima	#869	7.7	6.4%	158
53	Shizuoka Cancer CenterShizuoka	#873	7.7	8.3%	109
54	Hyogo UniversityKakogawa	#879	7.6	8.2%	73
55	Tohoku Medical and Pharmaceutical UniversitySendai	#881	7.5	8.6%	62
56	Toranomon HospitalTokyo	#886	7.5	5.6%	85
57	Toho UniversityTokyo	#894	7.3	5.9%	183
58	Sapporo Medical UniversitySapporo	#897	7.3	7.2%	161
59	Saitama Medical UniversityMorohongō	#899	7.3	6.4%	188
60	Hirosaki UniversityHirosaki	#900	7.2	7.1%	109

Institutions in Japan above the floor of 40 fractional works in Surgery, ordered by their worldwide rank on research quality, 2022-now.

Yoshio Yamaoka, Masatoshi Kudo and Norihiro Kokudo rank highest among researchers based in Japan, on their papers in Surgery that reached the world top 10%, beyond the 10% expected.

1. 1Yoshio Yamaoka#182,834 worldwide overall72.2 of 304 papers here in the top 10%
2. 2Masatoshi Kudo#95,747 worldwide overall62.5 of 248 papers here in the top 10%
3. 3Norihiro Kokudo#160,114 worldwide overall56.7 of 254 papers here in the top 10%
4. 4Takao Itoi#306,444 worldwide overall65.8 of 311 papers here in the top 10%
5. 5Takeshi Kimura#245,384 worldwide overall53.3 of 276 papers here in the top 10%
6. 6Takashi Akasaka#288,185 worldwide overall45.1 of 197 papers here in the top 10%
7. 7Go Wakabayashi#153,250 worldwide overall42.0 of 152 papers here in the top 10%
8. 8Kiyoshi Hasegawa#295,104 worldwide overall41.4 of 168 papers here in the top 10%
9. 9Yuko Kitagawa#595,799 worldwide overall61.9 of 381 papers here in the top 10%
10. 10Teruo Okano#135,795 worldwide overall38.9 of 137 papers here in the top 10%
11. 11Yousuke Nakai#628,810 worldwide overall46.8 of 226 papers here in the top 10%
12. 12Ken Kato#167,989 worldwide overall33.3 of 129 papers here in the top 10%
13. 13Takuji Gotoda#144,450 worldwide overall32.3 of 123 papers here in the top 10%
14. 14Kazuhiko Koike#383,666 worldwide overall41.3 of 224 papers here in the top 10%
15. 15Atsushi Ohtsu#160,410 worldwide overall27.2 of 85 papers here in the top 10%

Ranked among researchers based in Japan on their work in Surgery alone: how many more of their papers here reached the world top 10% for their subfield and year than the 10% expected.