Kikuo Okamura

1.6k total citations · 1 hit paper
76 papers, 1.2k citations indexed

About

Kikuo Okamura is a scholar working on Urology, Surgery and Rheumatology. According to data from OpenAlex, Kikuo Okamura has authored 76 papers receiving a total of 1.2k indexed citations (citations by other indexed papers that have themselves been cited), including 36 papers in Urology, 30 papers in Surgery and 27 papers in Rheumatology. Recurrent topics in Kikuo Okamura's work include Urinary Bladder and Prostate Research (24 papers), Pelvic floor disorders treatments (23 papers) and Urological Disorders and Treatments (16 papers). Kikuo Okamura is often cited by papers focused on Urinary Bladder and Prostate Research (24 papers), Pelvic floor disorders treatments (23 papers) and Urological Disorders and Treatments (16 papers). Kikuo Okamura collaborates with scholars based in Japan, United States and Türkiye. Kikuo Okamura's co-authors include Shinichi Ohshima, Koji Miyake, Yoshinari Ono, Takashi Koshikawa, Junpei Asai, Chikako Tange, Richard Sylvester, Cosimo De Nunzio, Sigurður Guðjónsson and Jorg R. Oddens and has published in prestigious journals such as SHILAP Revista de lepidopterología, PLoS ONE and Cancer.

In The Last Decade

Kikuo Okamura

74 papers receiving 1.1k citations

Hit Papers

align trajectories

What are hit papers?

Hit papers significantly outperform the citation benchmark for their cohort. A paper qualifies if it has ≥500 total citations, achieves ≥1.5× the top-1% citation threshold for papers in the same subfield and year (this is the minimum needed to enter the top 1%, not the average within it), or reaches the top citation threshold in at least one of its specific research topics.

Systematic Review and Individual Patient Data Meta-analysis of Randomized Trials Comparing a Single Immediate Instillation of Chemotherapy After Transurethral Resection with Transurethral Resection Alone in Patients with Stage pTa–pT1 Urothelial Carcinoma of the Bladder: Which Patients Benefit from the Instillation?

2015 247 citations Kikuo Okamura et al. European Urology profile →

Peers

Countries citing papers authored by Kikuo Okamura

Since Specialization

Citations

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

Fields of papers citing papers by Kikuo Okamura

Since Specialization

Physical SciencesHealth SciencesLife SciencesSocial Sciences

This network shows the impact of papers produced by Kikuo Okamura. 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 Kikuo Okamura. The network helps show where Kikuo Okamura may publish in the future.

Co-authorship network of co-authors of Kikuo Okamura

This figure shows the co-authorship network connecting the top 25 collaborators of Kikuo Okamura. A scholar is included among the top collaborators of Kikuo Okamura 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 Kikuo Okamura. Kikuo Okamura is excluded from the visualization to improve readability, since they are connected to all nodes in the network.

All Works

Sort: Min cites: Since: Top N: Style:

20 of 20 papers shown

#	Work	Indexed citations
1	Interleukin-1beta (IL-1β)-induced Notch ligand Jagged1 suppresses mitogenic action of IL-1β on human dystrophic myogenic cells 2017 ·PLoS ONE ·(unknown), Tohru Kiyono, Kikuo Okamura, Yu‐ichi Goto, Masafumi Matsuo, Madoka Ikemoto‐Uezumi, Naohiro Hashimoto	15
2	Twelve Months Follow‐up of Injection of OnabotulinumtoxinA into Vesical Submucosa for Refractory Non‐neurogenic Overactive Bladder 2012 ·LUTS Lower Urinary Tract Symptoms ·Kikuo Okamura, Mineo Takei, (unknown), Atsushi Otsuka, (unknown), Yoshiko Maeda, Tetsuya Fujimura, Teruhiko Yokoyama, Momokazu Gotoh, Yukio Homma	2
3	CDK4 and cyclin D1 allow human myogenic cells to recapture growth property without compromising differentiation potential 2011 ·Gene Therapy ·(unknown), Tohru Kiyono, Kikuo Okamura, (unknown), Yu‐ichi Goto, S Yasumoto, (unknown), Naohiro Hashimoto	104
4	Botulinum toxin A submucosal injection for refractory non‐neurogenic overactive bladder: Early outcomes 2011 ·International Journal of Urology ·Kikuo Okamura, (unknown), Kaname Ameda, Takashige Namima, Masahito Suzuki, Katsumi Inoue, (unknown), Momokazu Gotoh, Yukio Homma	12
5	Effects of Purified Newly Developed Botulinum Neurotoxin Type A in Rat Prostate 2009 ·Urology ·Yasuhiro Nishiyama, Teruhiko Yokoyama, Kazuhito Tomizawa, Kikuo Okamura, Yumiko Yamamoto, Hideki Matsui, Keiji Oguma, Atsushi Nagai, Hiromi Kumon	14
6	Reliability and validity of the King’s Health Questionnaire for lower urinary tract symptoms in both genders 2009 ·British Journal of Urology ·Kikuo Okamura, (unknown), (unknown)	31
7	Diagnosis and treatment of lower urinary tract symptoms in the elderly by general practitioners 2008 ·Geriatrics and gerontology international ·Kikuo Okamura, Tomonori Hasegawa, (unknown), Mineo Kobayashi, Toshiyuki Murase, Takashi Yanagihara, (unknown)	7
8	CONTINUOUS BLADDER IRRIGATION FOLLOWING TRANSURETHRAL RESECTION OF THE PROSTATE (TURP) 2007 ·The Japanese Journal of Urology ·(unknown), Kikuo Okamura, Tsuneo Kinukawa, Hideo Ozawa, Shiro Saito, (unknown), Akito Terai, Mineo Takei	8
9	QUESTIONNAIRE SURVEY OF PERI-OPERATIVE MANAGEMENT OF RADICAL PROSTATECTOMY FOR THE EDUCATIONAL INSTITUTIONS OF JAPANESE UROLOGICAL ASSOCIATION 2007 ·The Japanese Journal of Urology ·Kikuo Okamura, Hidehisa Soejima, Shiro Saito, Akito Terai, (unknown), Tatsuya Nagai, Osamu Kamihira, Mutsushi Kawakita, Tomoyasu Tsushima, (unknown)	4
10	Questionnaire survey on lower urinary tract symptoms (LUTS) for people consulting general practice clinics 2006 ·Nippon Ronen Igakkai Zasshi Japanese Journal of Geriatrics ·Kikuo Okamura, (unknown), (unknown), Mineo Kobayashi, (unknown), Tadashi Yasui	5
11	ASSESSMENT CRITERIA OF LOWER URINARY TRACT SYMPTOMS SEVERITY FOR GENERAL PRACTITIONERS 2006 ·The Japanese Journal of Urology ·Kikuo Okamura, Hirohiko Nagata, (unknown), (unknown), (unknown), (unknown)	3
12	Measurement of prostate specific antigen complexed to α1‐antichymotrypsin to avoid unnecessary biopsy in patients with serum prostate specific antigen levels 4–20 ng/mL 2005 ·International Journal of Urology ·(unknown), Kikuo Okamura, (unknown), Noriko Okamoto, (unknown), Yasushi Yoshino, Ryohei Hattori, Yoshinari Ono, Shinichi Ohshima, Tetsuro Nagasaka	3
13	Determination of the relative probability for prostate cancer to avoid unnecessary biopsy 2005 ·International Journal of Urology ·Kikuo Okamura, (unknown), Osamu Kamihira, Tsuneo Kinukawa, Yoshinari Ono, Shinichi Ohshima, Tetsuro Nagasaka	5
14	IMPLEMENTATION OF A COMMON CLINICAL PATH FOR TRANSURETHRAL RESECTION OF PROSTATE (TURP) IN MULTIPLE HOSPITALS 2004 ·The Japanese Journal of Urology ·Kikuo Okamura, Hideo Ozawa, Tsuneo Kinukawa, Masaaki Imamura, Shiro Saito, (unknown), Mineo Takei, Tomonori Hasegawa	2
15	“Quality of Life” Assessment of Urination in Elderly Japanese Men and Women with Some Medical Problems Using International Prostate Symptom Score and King's Health Questionnaire 2002 ·European Urology ·Kikuo Okamura	47
16	Randomized study of single early instillation of (2″R)‐4′‐O‐tetrahydropyranyl‐doxorubicin for a single superficial bladder carcinoma 2002 ·Cancer ·Kikuo Okamura, Yoshinari Ono, (unknown), Osamu Matsuura, Shin Yamada, Tadashi Ando, Toshiaki Fukatsu, Yoshiyuki Ohno, Shinichi Ohshima	62
17	[The effect of continuous intra-articular and intra-bursal infusion of lidocaine on postoperative pain following shoulder arthroscopic surgery]. 2001 ·PubMed ·Yukitoshi Niiyama, Keiichi Omote, Shinichi Sumita, Tomoyuki Kawamata, Kikuo Okamura, A Namiki	12
18	Growth fractions of human renal cell carcinoma defined by monoclonal antibody Ki‐67. Predictive values for prognosis 2001 ·International Journal of Urology ·(unknown), Kikuo Okamura, Yoshinari Ono, Shinichi Ohshima	10
19	A comparative study of endoscopic trigonoplasty for vesicoureteral reflux in children and in adults 1999 ·International Journal of Urology ·Kikuo Okamura, Norio Kato, (unknown), Yoshinari Ono, Shinichi Ohshima	16
20	Small Hyperechoic Renal Tumors Displaying No Fat Content on CT 1992 ·Urologia Internationalis ·Kikuo Okamura, Soichiro Hasegawa, (unknown), Masahiko Saito, (unknown), Koji Miyake	1

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.

Explore authors with similar magnitude of impact