Masamichi Kojiro

20.9k total citations · 5 hit papers
281 papers, 15.6k citations indexed

About

Masamichi Kojiro is a scholar working on Hepatology, Epidemiology and Surgery. According to data from OpenAlex, Masamichi Kojiro has authored 281 papers receiving a total of 15.6k indexed citations (citations by other indexed papers that have themselves been cited), including 101 papers in Hepatology, 86 papers in Epidemiology and 76 papers in Surgery. Recurrent topics in Masamichi Kojiro's work include Hepatocellular Carcinoma Treatment and Prognosis (86 papers), Liver Disease Diagnosis and Treatment (55 papers) and Cholangiocarcinoma and Gallbladder Cancer Studies (45 papers). Masamichi Kojiro is often cited by papers focused on Hepatocellular Carcinoma Treatment and Prognosis (86 papers), Liver Disease Diagnosis and Treatment (55 papers) and Cholangiocarcinoma and Gallbladder Cancer Studies (45 papers). Masamichi Kojiro collaborates with scholars based in Japan, United States and Australia. Masamichi Kojiro's co-authors include Hirohisa Yano, Osamu Nakashima, Toshiro Nakashima, Masatoshi Makuuchi, Shigeki Arii, Naoyo Nishida, Toshiharu Kamura, Takashi Nishida, Kiwamu Okita and Tania Roskams and has published in prestigious journals such as Gastroenterology, Hepatology and Cancer.

In The Last Decade

Masamichi Kojiro

269 papers receiving 15.1k citations

Hit Papers

Angiogenesis in cancer 1983 2026 1997 2011 2006 2011 2006 2000 1983 250 500 750 1000
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.

  1. Angiogenesis in cancer
    2006 1.1k citations Naoyo Nishida, Hirohisa Yano et al. profile →
  2. Management of Hepatocellular Carcinoma in Japan: Consensus-Based Clinical Practice Guidelines Proposed by the Japan Society of Hepatology (JSH) 2010 Updated Version
    2011 672 citations Osamu Nakashima, Masamichi Kojiro et al. profile →
  3. Prospective Cohort Study of Transarterial Chemoembolization for Unresectable Hepatocellular Carcinoma in 8510 Patients
    2006 652 citations Masamichi Kojiro et al. profile →
  4. Results of Surgical and Nonsurgical Treatment for Small–Sized Hepatocellular Carcinomas: A Retrospective and Nationwide Survey in Japan
    2000 582 citations Masamichi Kojiro et al. Hepatology profile →
  5. Pathology of hepatocellular carcinoma in Japan: 232 consecutive cases autopsied in ten years
    1983 476 citations Toshiro Nakashima, Kunio Okuda et al. profile →

Peers — A (Enhanced Table)

Peers by citation overlap · career bar shows stage (early→late) cites · hero ref

Name h Career Trend Papers Cites
Masamichi Kojiro Japan 66 8.3k 5.0k 4.2k 3.6k 3.3k 281 15.6k
Swan N. Thung United States 69 7.5k 0.9× 6.4k 1.3× 4.3k 1.0× 4.2k 1.2× 2.9k 0.9× 320 17.0k
Shigeki Arii Japan 60 6.5k 0.8× 3.7k 0.7× 3.3k 0.8× 5.4k 1.5× 3.4k 1.0× 307 14.4k
Paulette Bioulac‐Sage France 62 7.2k 0.9× 4.7k 0.9× 4.4k 1.0× 6.2k 1.7× 3.4k 1.0× 353 16.9k
Young Nyun Park South Korea 64 6.8k 0.8× 5.4k 1.1× 3.6k 0.9× 3.7k 1.0× 2.7k 0.8× 391 14.5k
Luigi Bolondi Italy 66 12.4k 1.5× 8.4k 1.7× 4.1k 1.0× 3.0k 0.8× 2.1k 0.6× 278 18.4k
Sheung Tat Fan Hong Kong 79 9.6k 1.2× 5.1k 1.0× 7.0k 1.7× 5.8k 1.6× 5.5k 1.7× 356 20.5k
Joel K. Greenson United States 63 3.6k 0.4× 5.7k 1.1× 4.3k 1.0× 2.9k 0.8× 4.3k 1.3× 201 15.8k
Mengchao Wu China 59 5.2k 0.6× 3.3k 0.6× 3.5k 0.8× 4.8k 1.4× 3.7k 1.1× 312 13.7k
Kiwamu Okita Japan 56 6.7k 0.8× 4.7k 0.9× 3.3k 0.8× 2.3k 0.7× 2.1k 0.6× 297 12.4k
Ken Shirabe Japan 62 8.2k 1.0× 4.8k 0.9× 6.7k 1.6× 2.7k 0.8× 4.8k 1.5× 859 17.4k

Countries citing papers authored by Masamichi Kojiro

Since Specialization
Citations

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

Fields of papers citing papers by Masamichi Kojiro

Since Specialization
Physical SciencesHealth SciencesLife SciencesSocial Sciences

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

Co-authorship network of co-authors of Masamichi Kojiro

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

All Works

20 of 20 papers shown
1.
Ogasawara, Sachiko, Hirohisa Yano, Seiya Momosaki, et al.. (2007). Growth Inhibitory Effects of IFN- β on Human Liver Cancer Cells In Vitro and In Vivo. Journal of Interferon & Cytokine Research. 27(6). 507–516. 15 indexed citations
2.
Yano, Hirohisa, Yuji Basaki, Shinji Oie, et al.. (2007). Effects of IFN- α on α -Fetoprotein Expressions in Hepatocellular Carcinoma Cells. Journal of Interferon & Cytokine Research. 27(3). 231–238. 5 indexed citations
3.
Oie, Shinji, Mayumi Ono, Hirohisa Yano, et al.. (2006). The up-regulation of type I interferon receptor gene plays a key role in hepatocellular carcinoma cells in the synergistic antiproliferative effect by 5-fluorouracil and interferon-α. International Journal of Oncology. 29(6). 1469–78. 14 indexed citations
4.
Aishima, Shinichi, Yuji Basaki, Yoshinao Oda, et al.. (2006). High expression of insulin‐like growth factor binding protein‐3 is correlated with lower portal invasion and better prognosis in human hepatocellular carcinoma. Cancer Science. 97(11). 1182–1190. 47 indexed citations
5.
Yamaguchi, Rin, Yoshinobu Okabe, Atsuo Jimi, et al.. (2006). Pancreatic acinar cell carcinoma extending into the common bile and main pancreatic ducts. Pathology International. 56(10). 633–637. 9 indexed citations
6.
Kojiro, Masamichi. (1997). Peliosis hepatis (liver purpura).. Kanzo. 38(10). 583–586. 2 indexed citations
7.
Yokoyama, Toshiro, et al.. (1995). Cytologic studies on mammary cystic lesion with special reference to intracystic papilloma and intracystic carcinoma.. The Journal of the Japanese Society of Clinical Cytology. 34(4). 614–620. 1 indexed citations
8.
Momosaki, Seiya, et al.. (1995). Expression of intercellular adhesion molecule 1 in human hepatocellular carcinoma.. PubMed. 22(6). 1708–13. 23 indexed citations
9.
Kojiro, Masamichi, et al.. (1994). Comparative studies on cytology, pathomorphology and imaging diagnosis of mammary gland tumors.. The Journal of the Japanese Society of Clinical Cytology. 33(6). 1001–1008. 1 indexed citations
10.
Fukuda, Ken, Masamichi Kojiro, & Jen‐Fu Chiu. (1993). Demonstration of extensive chromatin cleavage in transplanted Morris hepatoma 7777 tissue: apoptosis or necrosis?. PubMed Central. 142(3). 935–46. 120 indexed citations
11.
Fukuda, Kazunori, Masamichi Kojiro, & Jen‐Fu Chiu. (1993). Cross-linked Cytokeratin Polypeptides in Liver and Hepatoma Cells: Possible Association with the Process of Cell Degeneration and Death. Hepatology. 17(1). 118–124. 6 indexed citations
12.
Yano, Hirohisa, Akihiro Iemura, Kazunori Fukuda, et al.. (1993). Establishment of two distinct human hepatocellular carcinoma cell lines from a single nodule showing clonal dedifferentiation of cancer cells. Hepatology. 18(2). 320–327. 65 indexed citations
13.
Hirai, Kenji, Naofumi Ono, Yoshinori Aoki, et al.. (1991). A case of hepatocellular carcinoma metastatic to the left humerus with survival for 6years and 9months.. Kanzo. 32(12). 1163–1168. 1 indexed citations
14.
Nakashima, Osamu, et al.. (1990). Pathomorphologic study on hyperplastic nodule of the liver. A special reference to the containment of cancerous foci.. Kanzo. 31(3). 324–330. 6 indexed citations
15.
Arakawa, Masaaki, Masayoshi Kage, Kazunori Fukuda, & Masamichi Kojiro. (1990). Pathomorphological studies on the relationship between hyperplastic nodule of the liver and portal hypertension.. Kanzo. 31(2). 184–189. 2 indexed citations
16.
Sugihara, Shigetaka, et al.. (1990). Pathomorphologic study on macrophages in hepatocellular carcinoma.. Kanzo. 31(1). 12–18. 10 indexed citations
17.
Hirai, Kenji, Yasuo MAJIMA, Tsutomu Miura, et al.. (1988). The clinical study of hepatocellular carcinoma with sarcoma-like feature.. Kanzo. 29(6). 734–741. 12 indexed citations
18.
Saitsu, Hirotomo, Kouji Yoshida, Mitsuharu Sato, et al.. (1986). Confirmation of the presence of lymph channels in hepatoma nodes for use in the treatment of hepatocellular carcinoma.. Kanzo. 27(9). 1296–1302. 1 indexed citations
19.
Sugihara, Shigetaka, Masamichi Kojiro, Toshiro Nakashima, Hirotomo Saitsu, & Toshimichi Nakayama. (1986). Pathomorphological study on hepatocellular carcinoma - A study of the developmental process of hepatocellular carcinoma in resected cases.. Kanzo. 27(5). 607–614. 2 indexed citations
20.
Kojiro, Masamichi, Toshiro Nakashima, Kazuyoshi Sakamoto, et al.. (1974). Studies on Primary Liver Carcinoma (II). Kanzo. 15(12). 771–778. 4 indexed citations

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.

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