Growing community of inventors

Tokyo, Japan

Hitoshi Iwatsubo

Average Co-Inventor Count = 3.00

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 = 4

Hitoshi IwatsuboTakashi Yamazaki (2 patents)Hitoshi IwatsuboTomoya Kitazume (1 patent)Hitoshi IwatsuboTomoya Kitazumo (1 patent)Hitoshi IwatsuboHitoshi Iwatsubo (2 patents)Takashi YamazakiTakashi Yamazaki (80 patents)Tomoya KitazumeTomoya Kitazume (10 patents)Tomoya KitazumoTomoya Kitazumo (1 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Showa Shell Sekiyu Kabushiki Kaisha (2 from 36 patents)


2 patents:

1. 5189204 - Optical active 3-(2-trifluoro-1-hydroxyethyl) propenyl benzyl ether,

2. 5047346 - Optically active 3-(2-trifluoro-1-hydroxyethyl)propenyl benzyl ether,

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1/11/2026
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