Growing community of inventors

Osaka, Japan

Keiji Fujiwara

Average Co-Inventor Count = 4.44

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 = 2

Keiji FujiwaraTakahiko Murata (3 patents)Keiji FujiwaraKoji Motomura (2 patents)Keiji FujiwaraHiroto Sumida (2 patents)Keiji FujiwaraShinjiro Tsuji (2 patents)Keiji FujiwaraTakatoshi Mitsushima (2 patents)Keiji FujiwaraKozo Odawara (1 patent)Keiji FujiwaraRyouichirou Katano (1 patent)Keiji FujiwaraMasaya Watanabe (1 patent)Keiji FujiwaraKeiji Fujiwara (4 patents)Takahiko MurataTakahiko Murata (79 patents)Koji MotomuraKoji Motomura (24 patents)Hiroto SumidaHiroto Sumida (23 patents)Shinjiro TsujiShinjiro Tsuji (16 patents)Takatoshi MitsushimaTakatoshi Mitsushima (15 patents)Kozo OdawaraKozo Odawara (8 patents)Ryouichirou KatanoRyouichirou Katano (6 patents)Masaya WatanabeMasaya Watanabe (2 patents)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Panasonic Corporation (2 from 16,453 patents)

2. Panasonic Intellectual Property Management Co., Ltd. (2 from 13,247 patents)


4 patents:

1. 10464003 - Filter

2. 10195556 - Laminated nonwoven fabric and air purifier

3. 7799142 - Apparatus and method for cleaning a board terminal

4. 7716818 - Method for transferring a substrate

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as of
12/6/2025
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