Growing community of inventors

Shimodate, Japan

Nobuyoshi Katakai

Average Co-Inventor Count = 5.00

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 = 14

Nobuyoshi Katakai ↔ Tatsuya Uchida (1 patent)Nobuyoshi Katakai ↔ Toru Miyagi (1 patent)Nobuyoshi Katakai ↔ Minondo Kimura (1 patent)Nobuyoshi Katakai ↔ Masanori Narita (1 patent)Nobuyoshi KatakaiNobuyoshi Katakai (1 patent)Tatsuya UchidaTatsuya Uchida (4 patents)Toru MiyagiToru Miyagi (1 patent)Minondo KimuraMinondo Kimura (1 patent)Masanori NaritaMasanori Narita (1 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Hitachi Chemical Company, Ltd. (1 from 1,641 patents)


1 patent:

1. 3980561 - Device for purifying sewage

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