Growing community of inventors

Kanagawa, Japan

Hiroki Kumagai

Average Co-Inventor Count = 4.09

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 = 30

Hiroki Kumagai ↔ Takehiro Takahashi (1 patent)Hiroki Kumagai ↔ Ryoji Hayashi (1 patent)Hiroki Kumagai ↔ Hajimu Kurumatani (1 patent)Hiroki Kumagai ↔ Takashi Kadowaki (1 patent)Hiroki Kumagai ↔ Tetsuya Kubota (1 patent)Hiroki Kumagai ↔ Masafumi Isogaya (1 patent)Hiroki Kumagai ↔ Rie Sasaki (1 patent)Hiroki Kumagai ↔ Naoto Kubota (1 patent)Hiroki Kumagai ↔ Eiji Ohmori (1 patent)Hiroki Kumagai ↔ Mitsuhiro Moriwaki (1 patent)Hiroki KumagaiHiroki Kumagai (3 patents)Takehiro TakahashiTakehiro Takahashi (48 patents)Ryoji HayashiRyoji Hayashi (27 patents)Hajimu KurumataniHajimu Kurumatani (16 patents)Takashi KadowakiTakashi Kadowaki (11 patents)Tetsuya KubotaTetsuya Kubota (5 patents)Masafumi IsogayaMasafumi Isogaya (4 patents)Rie SasakiRie Sasaki (2 patents)Naoto KubotaNaoto Kubota (2 patents)Eiji OhmoriEiji Ohmori (1 patent)Mitsuhiro MoriwakiMitsuhiro Moriwaki (1 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Toray Industries, Inc. (3 from 3,472 patents)

2. The University of Tokyo (1 from 1,281 patents)


3 patents:

1. 9492422 - Therapeutic or prophylactic agent for diabetes

2. 6653345 - C-C chemokine synthesis inhibitor

3. 6642228 - &agr;1b-adrenergic receptor antagonists

Please report any incorrect information to support@idiyas.com
idiyas.com
as of
12/7/2025
Loading…