Growing community of inventors

Osaka, Japan

Hiroyuki Yumoto

Average Co-Inventor Count = 4.00

ph-index = 1

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 = 0

Hiroyuki YumotoMasami Igi (2 patents)Hiroyuki YumotoShigeya Yamazaki (2 patents)Hiroyuki YumotoYoshihiro Kawada (1 patent)Hiroyuki YumotoTaro Ishibashi (1 patent)Hiroyuki YumotoTaichi Yoshikawa (1 patent)Hiroyuki YumotoHiroyuki Yumoto (2 patents)Masami IgiMasami Igi (20 patents)Shigeya YamazakiShigeya Yamazaki (7 patents)Yoshihiro KawadaYoshihiro Kawada (17 patents)Taro IshibashiTaro Ishibashi (6 patents)Taichi YoshikawaTaichi Yoshikawa (2 patents)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Sumika Fine Chemicals, Co.,ltd. (2 from 55 patents)


2 patents:

1. 6433168 - Highly pure phenothiazine compound, production method thereof, production method of intermediate therefor, and hydrate and novel crystal as starting materials for the intermediate

2. 6316628 - L-tartrate of trans-(-)-4-(4-fluorophenyl)-3-hydroxymethylpiperidine compound and process for preparing the same

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12/18/2025
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