Growing community of inventors

Naruto, Japan

Takashi Kobunai

Average Co-Inventor Count = 4.14

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 = 7

Takashi KobunaiSetsuo Takeda (3 patents)Takashi KobunaiKonstanty Wierzba (3 patents)Takashi KobunaiJunichi Yamashita (3 patents)Takashi KobunaiMakoto Nomura (3 patents)Takashi KobunaiTadafumi Terada (3 patents)Takashi KobunaiKatsuhiko Fujimoto (3 patents)Takashi KobunaiHideo Yamaguchi (3 patents)Takashi KobunaiHitoshi Saito (1 patent)Takashi KobunaiTeiji Takechi (1 patent)Takashi KobunaiAkio Ooyama (1 patent)Takashi KobunaiTakashi Kobunai (5 patents)Setsuo TakedaSetsuo Takeda (16 patents)Konstanty WierzbaKonstanty Wierzba (8 patents)Junichi YamashitaJunichi Yamashita (8 patents)Makoto NomuraMakoto Nomura (6 patents)Tadafumi TeradaTadafumi Terada (6 patents)Katsuhiko FujimotoKatsuhiko Fujimoto (4 patents)Hideo YamaguchiHideo Yamaguchi (3 patents)Hitoshi SaitoHitoshi Saito (5 patents)Teiji TakechiTeiji Takechi (1 patent)Akio OoyamaAkio Ooyama (1 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Taiho Pharmaceutical Company Limited (5 from 318 patents)


5 patents:

1. 9345767 - Method for selecting chemotherapy for gastric cancer patient using combination drug of tegafur, gimeracil and oteracil potassium and EGFR inhibitor

2. 8440398 - Method for prediction of sensitivity to 5-fluorouracil-type anticancer agent

3. 5571914 - 4-desoxy-4-epipodophyllotoxin derivative or pharmaceutically acceptable

4. 5536847 - 4-desoxy-4-epipodophyllotoxin derivative or pharmaceutically acceptable

5. 5489698 - 4-Desoxy-4-epipodophyllotoxin derivative or pharmaceutically acceptable

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as of
1/10/2026
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