Growing community of inventors

Osaka, Japan

Hisao Ogiyama

Average Co-Inventor Count = 7.00

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 = 5

Hisao Ogiyama ↔ Masayoshi Ichiki (1 patent)Hisao Ogiyama ↔ Hideya Inaba (1 patent)Hisao Ogiyama ↔ Yasumi Kamino (1 patent)Hisao Ogiyama ↔ Kenichi Nagai (1 patent)Hisao Ogiyama ↔ Masami Suzuki (1 patent)Hisao Ogiyama ↔ Nobuo Matsumoto (1 patent)Hisao OgiyamaHisao Ogiyama (1 patent)Masayoshi IchikiMasayoshi Ichiki (15 patents)Hideya InabaHideya Inaba (13 patents)Yasumi KaminoYasumi Kamino (10 patents)Kenichi NagaiKenichi Nagai (8 patents)Masami SuzukiMasami Suzuki (7 patents)Nobuo MatsumotoNobuo Matsumoto (1 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Hitachi Shipbuilding and Engineering Co., Ltd. (1 from 80 patents)


1 patent:

1. 4176091 - Denitrating catalysts having porous coating and process for producing

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as of
12/7/2025
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