Growing community of inventors

Kashima, Japan

Norifumi Kasai

Average Co-Inventor Count = 6.00

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 = 3

Norifumi Kasai ↔ Kazuhide Kawai (1 patent)Norifumi Kasai ↔ Satoshi Oya (1 patent)Norifumi Kasai ↔ Morio Kawasaki (1 patent)Norifumi Kasai ↔ Seiya Sugita (1 patent)Norifumi Kasai ↔ Hiroyuki Mori (1 patent)Norifumi KasaiNorifumi Kasai (1 patent)Kazuhide KawaiKazuhide Kawai (39 patents)Satoshi OyaSatoshi Oya (2 patents)Morio KawasakiMorio Kawasaki (2 patents)Seiya SugitaSeiya Sugita (1 patent)Hiroyuki MoriHiroyuki Mori (1 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Sumitomo Metal Industries, Inc. (1 from 929 patents)

2. Toshiba Ceramics Co., Ltd. (1 from 189 patents)


1 patent:

1. 5046647 - Nozzle for discharging molten metal used in a casting device

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as of
12/21/2025
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