Growing community of inventors

Tokyo, Japan

Mitsuhisa Hatashima

Average Co-Inventor Count = 6.00

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 = 2

Mitsuhisa HatashimaKoichi Minato (1 patent)Mitsuhisa HatashimaTakeshi Itoi (1 patent)Mitsuhisa HatashimaSosuke Akao (1 patent)Mitsuhisa HatashimaSatoshi Ohkuma (1 patent)Mitsuhisa HatashimaYoshinori Nagasaki (1 patent)Mitsuhisa HatashimaMitsuhisa Hatashima (1 patent)Koichi MinatoKoichi Minato (17 patents)Takeshi ItoiTakeshi Itoi (15 patents)Sosuke AkaoSosuke Akao (8 patents)Satoshi OhkumaSatoshi Ohkuma (5 patents)Yoshinori NagasakiYoshinori Nagasaki (1 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Toppan Printing Co., Ltd. (1 from 1,268 patents)


1 patent:

1. 7965353 - Color filter with perpendicular optical retardation and liquid crystal display device

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as of
12/27/2025
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