Growing community of inventors

Hiroshima, Japan

Haiyan Leng

Average Co-Inventor Count = 11.00

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 = 3

Haiyan Leng ↔ Takayuki Ichikawa (1 patent)Haiyan Leng ↔ Kazuhiko Tokoyoda (1 patent)Haiyan Leng ↔ Hironobu Fujii (1 patent)Haiyan Leng ↔ Shigeru Matsuura (1 patent)Haiyan Leng ↔ Shinkichi Tanabe (1 patent)Haiyan Leng ↔ Shigehito Isobe (1 patent)Haiyan Leng ↔ Nobuko Hanada (1 patent)Haiyan Leng ↔ Kenji Ogawa (1 patent)Haiyan Leng ↔ Toyoyuki Kubokawa (1 patent)Haiyan Leng ↔ Keisuke Okamoto (1 patent)Haiyan LengHaiyan Leng (1 patent)Takayuki IchikawaTakayuki Ichikawa (5 patents)Kazuhiko TokoyodaKazuhiko Tokoyoda (4 patents)Hironobu FujiiHironobu Fujii (2 patents)Shigeru MatsuuraShigeru Matsuura (1 patent)Shinkichi TanabeShinkichi Tanabe (1 patent)Shigehito IsobeShigehito Isobe (1 patent)Nobuko HanadaNobuko Hanada (1 patent)Kenji OgawaKenji Ogawa (1 patent)Toyoyuki KubokawaToyoyuki Kubokawa (1 patent)Keisuke OkamotoKeisuke Okamoto (1 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Hiroshima University (1 from 246 patents)

2. Taiheiyo Cement Corporation (1 from 90 patents)


1 patent:

1. 7537748 - Hydrogen storage matter and manufacturing method and apparatus for the same

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as of
1/3/2026
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