Growing community of inventors

Ninomiya, Japan

Tadashi Harashima

Average Co-Inventor Count = 5.00

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 = 6

Tadashi Harashima ↔ Izumi Kuramochi (2 patents)Tadashi Harashima ↔ Riichiro Mama (1 patent)Tadashi Harashima ↔ Tadanobu Nagumo (1 patent)Tadashi Harashima ↔ Atsunori Agari (1 patent)Tadashi Harashima ↔ Isamu Irie (1 patent)Tadashi Harashima ↔ Tadayoshi Hiraga (1 patent)Tadashi Harashima ↔ Hiroshi Tokizaka (1 patent)Tadashi HarashimaTadashi Harashima (2 patents)Izumi KuramochiIzumi Kuramochi (75 patents)Riichiro MamaRiichiro Mama (9 patents)Tadanobu NagumoTadanobu Nagumo (5 patents)Atsunori AgariAtsunori Agari (3 patents)Isamu IrieIsamu Irie (3 patents)Tadayoshi HiragaTadayoshi Hiraga (2 patents)Hiroshi TokizakaHiroshi Tokizaka (1 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. The Yokohama Rubber Co., Ltd. (2 from 2,763 patents)


2 patents:

1. D290105 - Automobile tire

2. D283809 - Automobile tire

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as of
12/19/2025
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