Growing community of inventors

Tokyo, Japan

Tomiyasu Hirachi

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 = 8

Tomiyasu Hirachi ↔ Katsuhiko Kawakami (1 patent)Tomiyasu Hirachi ↔ Junichi Takano (1 patent)Tomiyasu Hirachi ↔ Toyoo Kaijima (1 patent)Tomiyasu HirachiTomiyasu Hirachi (1 patent)Katsuhiko KawakamiKatsuhiko Kawakami (9 patents)Junichi TakanoJunichi Takano (6 patents)Toyoo KaijimaToyoo Kaijima (1 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Softard Industries Co., Ltd. (1 from 9 patents)

2. Kashima Engineering Co., Ltd. (1 from 3 patents)


1 patent:

1. 4912071 - Method of unloading catalyst

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