Growing community of inventors

Ibaraki, Japan

Chang-qiu Zhao

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 = 0

Chang-qiu ZhaoMasato Tanaka (1 patent)Chang-qiu ZhaoLi-Biao Han (1 patent)Chang-qiu ZhaoChang-qiu Zhao (1 patent)Masato TanakaMasato Tanaka (29 patents)Li-Biao HanLi-Biao Han (10 patents)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. National Institute of Advanced Industrial Science and Technology (1 from 1,714 patents)

2. Japan Science and Technology Corporation (1 from 373 patents)


1 patent:

1. 7135583 - Process for preparation of alkenylphosphine oxides or alkenylphosphinic esters

Please report any incorrect information to support@idiyas.com
idiyas.com
as of
12/17/2025
Loading…