Growing community of inventors

Kamagaya, Japan

Keiji Okada

Average Co-Inventor Count = 10.00

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 = 0

Keiji Okada ↔ Shigenobu Sekine (1 patent)Keiji Okada ↔ Hiroji Sato (1 patent)Keiji Okada ↔ Kazushi Suzuki (1 patent)Keiji Okada ↔ Kenji Sakaguchi (1 patent)Keiji Okada ↔ Minoru Narita (1 patent)Keiji Okada ↔ Yuko Kawasaki (1 patent)Keiji Okada ↔ Koichi Tono (1 patent)Keiji Okada ↔ Mitsuhisa Hirata (1 patent)Keiji Okada ↔ Yoshiki Kuwabara (1 patent)Keiji OkadaKeiji Okada (1 patent)Shigenobu SekineShigenobu Sekine (48 patents)Hiroji SatoHiroji Sato (15 patents)Kazushi SuzukiKazushi Suzuki (6 patents)Kenji SakaguchiKenji Sakaguchi (4 patents)Minoru NaritaMinoru Narita (2 patents)Yuko KawasakiYuko Kawasaki (2 patents)Koichi TonoKoichi Tono (1 patent)Mitsuhisa HirataMitsuhisa Hirata (1 patent)Yoshiki KuwabaraYoshiki Kuwabara (1 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Sanei Kasei Co., Ltd. (1 from 13 patents)


1 patent:

1. 6368551 - Method for preparation of sintered permanent magnet

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12/15/2025
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