Growing community of inventors

Kanagawa, Japan

Ai Kato

Average Co-Inventor Count = 3.46

ph-index = 2

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 = 40

Ai KatoAtsushi Itoh (1 patent)Ai KatoYasuhiko Kato (1 patent)Ai KatoKenichiro Kobayashi (1 patent)Ai KatoYoshikazu Takahashi (1 patent)Ai KatoMasanori Omote (1 patent)Ai KatoTadashi Araki (1 patent)Ai KatoKazunori Takatsu (1 patent)Ai KatoTatsuya Shirai (1 patent)Ai KatoAi Kato (3 patents)Atsushi ItohAtsushi Itoh (73 patents)Yasuhiko KatoYasuhiko Kato (40 patents)Kenichiro KobayashiKenichiro Kobayashi (33 patents)Yoshikazu TakahashiYoshikazu Takahashi (25 patents)Masanori OmoteMasanori Omote (16 patents)Tadashi ArakiTadashi Araki (16 patents)Kazunori TakatsuKazunori Takatsu (12 patents)Tatsuya ShiraiTatsuya Shirai (7 patents)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Ricoh Company, Ltd. (2 from 28,584 patents)

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


3 patents:

1. 8520230 - Image processing system, image processing apparatus, image forming apparatus, image processing method, program, and recording medium with login management and authentication tickets

2. 7984033 - Data control system capable of present current image of writer with data

3. 6725155 - Method and apparatus for information processing, and medium for information processing

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as of
1/10/2026
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