Growing community of inventors

Chosei, Japan

Katsuhiko Ishi

Average Co-Inventor Count = 2.00

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 = 0

Katsuhiko IshiRisa Takahashi (2 patents)Katsuhiko IshiKatsuhiko Ishi (2 patents)Risa TakahashiRisa Takahashi (6 patents)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Hitachi Displays, Ltd. (2 from 1,207 patents)

2. Panasonic Liquid Crystal Display Co., Ltd. (1 from 1,238 patents)


2 patents:

1. 8134667 - Liquid crystal display device

2. 8045108 - Liquid crystal display device

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as of
1/5/2026
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