Growing community of inventors

Hachioji, Japan

Keiichi Ishida

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 = 26

Keiichi IshidaTetsushi Yoshida (1 patent)Keiichi IshidaToshiharu Nishino (1 patent)Keiichi IshidaKazuhito Sato (1 patent)Keiichi IshidaTomoko Tano (1 patent)Keiichi IshidaYoshiaki Sawano (1 patent)Keiichi IshidaKeiichi Ishida (1 patent)Tetsushi YoshidaTetsushi Yoshida (46 patents)Toshiharu NishinoToshiharu Nishino (21 patents)Kazuhito SatoKazuhito Sato (9 patents)Tomoko TanoTomoko Tano (2 patents)Yoshiaki SawanoYoshiaki Sawano (1 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Casio Computer Co., Ltd. (1 from 5,219 patents)


1 patent:

1. 6822711 - Liquid crystal display apparatus using polarizing element transmitting one of two polarizing components crossing at right angles and reflecting the other component

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as of
12/5/2025
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