Growing community of inventors

Ibaragi, Japan

Ken Nakai

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 = 3

Ken Nakai ↔ Sei Hiraki (1 patent)Ken Nakai ↔ Kazumi Arakawa (1 patent)Ken Nakai ↔ Kenji Sugiura (1 patent)Ken Nakai ↔ Toshiyuki Hirao (1 patent)Ken Nakai ↔ Takao Suzuki (1 patent)Ken Nakai ↔ Satoshi Kuroki (1 patent)Ken NakaiKen Nakai (1 patent)Sei HirakiSei Hiraki (9 patents)Kazumi ArakawaKazumi Arakawa (4 patents)Kenji SugiuraKenji Sugiura (3 patents)Toshiyuki HiraoToshiyuki Hirao (3 patents)Takao SuzukiTakao Suzuki (3 patents)Satoshi KurokiSatoshi Kuroki (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. 4640336 - Refractory for continuous casting

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idiyas.com
as of
12/20/2025
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