Growing community of inventors

Osaka, Japan

Nobuyuki Oka

Average Co-Inventor Count = 3.83

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 = 5

Nobuyuki OkaShinya Kaneko (1 patent)Nobuyuki OkaChiyo Takagi (1 patent)Nobuyuki OkaTamio Okada (1 patent)Nobuyuki OkaHideaki Ohashi (1 patent)Nobuyuki OkaHirokazu Asada (1 patent)Nobuyuki OkaMasaoki Nakabayashi (1 patent)Nobuyuki OkaYukihiro Otani (1 patent)Nobuyuki OkaPiao Long Yun (1 patent)Nobuyuki OkaMasanori Shibasaki (1 patent)Nobuyuki OkaShinya Kaneko (0 patent)Nobuyuki OkaNobuyuki Oka (3 patents)Shinya KanekoShinya Kaneko (32 patents)Chiyo TakagiChiyo Takagi (17 patents)Tamio OkadaTamio Okada (6 patents)Hideaki OhashiHideaki Ohashi (2 patents)Hirokazu AsadaHirokazu Asada (2 patents)Masaoki NakabayashiMasaoki Nakabayashi (1 patent)Yukihiro OtaniYukihiro Otani (1 patent)Piao Long YunPiao Long Yun (1 patent)Masanori ShibasakiMasanori Shibasaki (1 patent)Shinya KanekoShinya Kaneko (0 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Nippon Crucible Co., Ltd. (2 from 23 patents)

2. Unicharm Corporation (1 from 1,645 patents)


3 patents:

1. 10202230 - Animal litter box package body

2. 8460601 - Vessel for molten metal

3. D654520 - Crucible for melting

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as of
1/5/2026
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