Growing community of inventors

Tokyo, Japan

Okai Kazuhisa

Average Co-Inventor Count = 14.01

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 = 11

Okai KazuhisaKaoru Sato (1 patent)Okai KazuhisaMasaaki Yamashita (1 patent)Okai KazuhisaAkira Matsuzaki (1 patent)Okai KazuhisaTakahiro Kubota (1 patent)Okai KazuhisaNaoto Yoshimi (1 patent)Okai KazuhisaReijiro Nishida (1 patent)Okai KazuhisaShoichi Tanaka (1 patent)Okai KazuhisaHisato Noro (1 patent)Okai KazuhisaHaruo Nakamichi (1 patent)Okai KazuhisaMasahiro Murata (1 patent)Okai KazuhisaHiroyasu Matsuki (1 patent)Okai KazuhisaYoshikazu Morohoshi (1 patent)Okai KazuhisaShingo Amaki (1 patent)Okai KazuhisaKajiyama Hiroshi (0 patent)Okai KazuhisaKawano Takashi (0 patent)Okai KazuhisaEndo Reona (0 patent)Okai KazuhisaOkai Kazuhisa (1 patent)Kaoru SatoKaoru Sato (82 patents)Masaaki YamashitaMasaaki Yamashita (45 patents)Akira MatsuzakiAkira Matsuzaki (31 patents)Takahiro KubotaTakahiro Kubota (22 patents)Naoto YoshimiNaoto Yoshimi (18 patents)Reijiro NishidaReijiro Nishida (10 patents)Shoichi TanakaShoichi Tanaka (9 patents)Hisato NoroHisato Noro (8 patents)Haruo NakamichiHaruo Nakamichi (7 patents)Masahiro MurataMasahiro Murata (5 patents)Hiroyasu MatsukiHiroyasu Matsuki (4 patents)Yoshikazu MorohoshiYoshikazu Morohoshi (2 patents)Shingo AmakiShingo Amaki (2 patents)Kajiyama HiroshiKajiyama Hiroshi (0 patent)Kawano TakashiKawano Takashi (0 patent)Endo ReonaEndo Reona (0 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Jfe Steel Corporation (1 from 1,792 patents)

2. Kansai Paint Company, Ltd. (1 from 861 patents)


1 patent:

1. 7291402 - Surface-treated steel sheets of good white rust resistance, and method for producing them

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