Growing community of inventors

Kanagawa, Japan

Takafumi Oka

Average Co-Inventor Count = 2.19

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 = 8

Takafumi OkaMichiko Takei (1 patent)Takafumi OkaShuji Ishikawa (1 patent)Takafumi OkaMasashi Nakazawa (1 patent)Takafumi OkaHiroyuki Bamba (1 patent)Takafumi OkaAyano Nakamura (1 patent)Takafumi OkaShuuji Ishikawa (1 patent)Takafumi OkaShinya Ishizaki (1 patent)Takafumi OkaYasumasa Sekigami (1 patent)Takafumi OkaNayu Noumachi (1 patent)Takafumi OkaTakafumi Oka (3 patents)Michiko TakeiMichiko Takei (21 patents)Shuji IshikawaShuji Ishikawa (9 patents)Masashi NakazawaMasashi Nakazawa (8 patents)Hiroyuki BambaHiroyuki Bamba (6 patents)Ayano NakamuraAyano Nakamura (3 patents)Shuuji IshikawaShuuji Ishikawa (3 patents)Shinya IshizakiShinya Ishizaki (3 patents)Yasumasa SekigamiYasumasa Sekigami (2 patents)Nayu NoumachiNayu Noumachi (2 patents)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Kyocera Corporation (3 from 6,652 patents)


3 patents:

1. 9024900 - Electronic device and method of controlling same

2. 9024868 - Mobile electronic device

3. 8730173 - Electronic device with predictive candidate selection based on character input

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as of
12/15/2025
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