Growing community of inventors

Tokyo, Japan

Takao Kumagai

Average Co-Inventor Count = 4.07

ph-index = 3

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 = 83

Takao KumagaiNobuyuki Minami (2 patents)Takao KumagaiNariyasu Hamahata (2 patents)Takao KumagaiSeisuke Oba (2 patents)Takao KumagaiHitoshi Fukudome (2 patents)Takao KumagaiEiji Ohshima (1 patent)Takao KumagaiHiromitsu Baba (1 patent)Takao KumagaiMasanori Maehara (1 patent)Takao KumagaiShuji Yoshida (1 patent)Takao KumagaiManabu Tsuyama (1 patent)Takao KumagaiTakao Kumagai (4 patents)Nobuyuki MinamiNobuyuki Minami (13 patents)Nariyasu HamahataNariyasu Hamahata (6 patents)Seisuke ObaSeisuke Oba (3 patents)Hitoshi FukudomeHitoshi Fukudome (2 patents)Eiji OhshimaEiji Ohshima (16 patents)Hiromitsu BabaHiromitsu Baba (6 patents)Masanori MaeharaMasanori Maehara (5 patents)Shuji YoshidaShuji Yoshida (4 patents)Manabu TsuyamaManabu Tsuyama (1 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Sony Corporation (4 from 58,132 patents)


4 patents:

1. 6160574 - Stereoscopic image generation method and apparatus thereof

2. 5959663 - Stereoscopic image generation method and apparatus thereof

3. 4870517 - Magnetic tape cassette loading mechanism in recording and/or reproducing

4. 4796115 - Tape loading device for a cassette type tape recording and/or

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