Growing community of inventors

Kanagawa, Japan

Hiroyuki Kumagai

Average Co-Inventor Count = 8.14

ph-index = 2

The patent ph-index is calculated by counting the number of publications for which an author has been cited by other authors at least that same number of times.

Forward Citations = 12

Hiroyuki KumagaiTomio Takeuchi (4 patents)Hiroyuki KumagaiTakeo Yoshioka (3 patents)Hiroyuki KumagaiMasaaki Ishizuka (3 patents)Hiroyuki KumagaiKunio Isshiki (2 patents)Hiroyuki KumagaiTomohiro Sameshima (2 patents)Hiroyuki KumagaiNaoki Agata (2 patents)Hiroyuki KumagaiDonald W Kufe (1 patent)Hiroyuki KumagaiMasa Hamada (1 patent)Hiroyuki KumagaiHiroshi Naganawa (1 patent)Hiroyuki KumagaiRalph R Weichselbaum (1 patent)Hiroyuki KumagaiKenji Maeda (1 patent)Hiroyuki KumagaiTakashi Nakashima (1 patent)Hiroyuki KumagaiHironobu Iinuma (1 patent)Hiroyuki KumagaiTsutomu Sawa (1 patent)Hiroyuki KumagaiHiroshi Tone (1 patent)Hiroyuki KumagaiHiroyuki Inoue (1 patent)Hiroyuki KumagaiNaoto Kawamura (1 patent)Hiroyuki KumagaiNaoki Matsumoto (1 patent)Hiroyuki KumagaiTetsuya Someno (1 patent)Hiroyuki KumagaiMotoko Matsufuji (1 patent)Hiroyuki KumagaiShin-ichi Hirano (1 patent)Hiroyuki KumagaiTadashi Fujii (1 patent)Hiroyuki KumagaiHiroshi Iguchi (1 patent)Hiroyuki KumagaiKazuya Sakai (1 patent)Hiroyuki KumagaiMasaaki Ishizuki (1 patent)Hiroyuki KumagaiToshiyuki Mase (1 patent)Hiroyuki KumagaiCorinne L Reimer (1 patent)Hiroyuki KumagaiHiroyuki Kumagai (5 patents)Tomio TakeuchiTomio Takeuchi (186 patents)Takeo YoshiokaTakeo Yoshioka (41 patents)Masaaki IshizukaMasaaki Ishizuka (34 patents)Kunio IsshikiKunio Isshiki (16 patents)Tomohiro SameshimaTomohiro Sameshima (7 patents)Naoki AgataNaoki Agata (5 patents)Donald W KufeDonald W Kufe (59 patents)Masa HamadaMasa Hamada (51 patents)Hiroshi NaganawaHiroshi Naganawa (34 patents)Ralph R WeichselbaumRalph R Weichselbaum (34 patents)Kenji MaedaKenji Maeda (24 patents)Takashi NakashimaTakashi Nakashima (22 patents)Hironobu IinumaHironobu Iinuma (15 patents)Tsutomu SawaTsutomu Sawa (13 patents)Hiroshi ToneHiroshi Tone (13 patents)Hiroyuki InoueHiroyuki Inoue (7 patents)Naoto KawamuraNaoto Kawamura (7 patents)Naoki MatsumotoNaoki Matsumoto (6 patents)Tetsuya SomenoTetsuya Someno (5 patents)Motoko MatsufujiMotoko Matsufuji (5 patents)Shin-ichi HiranoShin-ichi Hirano (4 patents)Tadashi FujiiTadashi Fujii (4 patents)Hiroshi IguchiHiroshi Iguchi (3 patents)Kazuya SakaiKazuya Sakai (1 patent)Masaaki IshizukiMasaaki Ishizuki (1 patent)Toshiyuki MaseToshiyuki Mase (1 patent)Corinne L ReimerCorinne L Reimer (1 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Mercian Corporation (3 from 40 patents)

2. Zaidan Hojin Biseibutsu Kagaku Kenkyu Kai (2 from 212 patents)

3. Other (1 from 832,912 patents)

4. 501 Azidan Hojin Biseibutsu Kagaku Kenkyu Kai (1 from 1 patent)


5 patents:

1. 7060821 - Osteoclast differentiation inhibitors

2. 6589981 - Tumor radiosensitization and/or chemopotentiation using isocoumarin derivatives

3. 6030951 - Chrysomycin derivative compounds and use as antitumor agents

4. 6020363 - Isocoumarin derivatives and use thereof in drugs

5. 5096924 - Anticancer antibiotic MI43-37F11 substance

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