Growing community of inventors

Tokyo, Japan

Keizo Ohtomo

Average Co-Inventor Count = 8.00

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

Keizo Ohtomo ↔ Takao Konno (1 patent)Keizo Ohtomo ↔ Mayumi Fukuyama (1 patent)Keizo Ohtomo ↔ Yoshihiro Dozono (1 patent)Keizo Ohtomo ↔ Toshihiko Horiuchi (1 patent)Keizo Ohtomo ↔ Michiya Sakai (1 patent)Keizo Ohtomo ↔ Kazuhiro Umekita (1 patent)Keizo Ohtomo ↔ Yutaka Hagiwara (1 patent)Keizo OhtomoKeizo Ohtomo (1 patent)Takao KonnoTakao Konno (3 patents)Mayumi FukuyamaMayumi Fukuyama (1 patent)Yoshihiro DozonoYoshihiro Dozono (1 patent)Toshihiko HoriuchiToshihiko Horiuchi (1 patent)Michiya SakaiMichiya Sakai (1 patent)Kazuhiro UmekitaKazuhiro Umekita (1 patent)Yutaka HagiwaraYutaka Hagiwara (1 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Hitachi Plant Technologies, Ltd. (1 from 136 patents)

2. Central Research Institute of Electric Power Industry (1 from 110 patents)


1 patent:

1. 7114394 - Vibration test system and method for structures

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