Growing community of inventors

Hitachi, Japan

Hiroaki Chiba

Average Co-Inventor Count = 5.00

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 = 1

Hiroaki Chiba ↔ Hiroyuki Doi (1 patent)Hiroaki Chiba ↔ Masahiko Arai (1 patent)Hiroaki Chiba ↔ Takashi Haneishi (1 patent)Hiroaki Chiba ↔ Shinichi Kobayasji (1 patent)Hiroaki Chiba ↔ Shinichi Kobayashi (1 patent)Hiroaki ChibaHiroaki Chiba (1 patent)Hiroyuki DoiHiroyuki Doi (44 patents)Masahiko AraiMasahiko Arai (21 patents)Takashi HaneishiTakashi Haneishi (1 patent)Shinichi KobayasjiShinichi Kobayasji (1 patent)Shinichi KobayashiShinichi Kobayashi (17 patents)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Hitachi, Ltd. (1 from 42,485 patents)


1 patent:

1. 8225672 - Method for assessing remaining lifespan of bolt used at high temperatures

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12/7/2025
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