Growing community of inventors

Hamakita, Japan

Keiichi Katagiri

Average Co-Inventor Count = 3.75

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 = 17

Keiichi KatagiriHiroshi Morikawa (1 patent)Keiichi KatagiriKyoji Kitajima (1 patent)Keiichi KatagiriShunichi Nogami (1 patent)Keiichi KatagiriHiroaki Yamashita (1 patent)Keiichi KatagiriToshimi Hara (1 patent)Keiichi KatagiriNaomi Muramatsu (1 patent)Keiichi KatagiriKeiichi Katagiri (2 patents)Hiroshi MorikawaHiroshi Morikawa (6 patents)Kyoji KitajimaKyoji Kitajima (4 patents)Shunichi NogamiShunichi Nogami (3 patents)Hiroaki YamashitaHiroaki Yamashita (2 patents)Toshimi HaraToshimi Hara (2 patents)Naomi MuramatsuNaomi Muramatsu (1 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Toyo Roki Seizo Kabushiki Kaisha (2 from 41 patents)

2. Honda Giken Kogyo Kabushiki Kaisha (1 from 10,092 patents)


2 patents:

1. 6230900 - Filter assembly and process for producing the same

2. 5538633 - Filter apparatus having a casing with improved structure for holding

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