Growing community of inventors

Kanagawa, Japan

Kiichi Ishikawa

Average Co-Inventor Count = 1.60

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

Kiichi IshikawaHiroshi Takahashi (1 patent)Kiichi IshikawaRyoichi Nakamura (1 patent)Kiichi IshikawaHidenobu Tsugawa (1 patent)Kiichi IshikawaKiichi Ishikawa (2 patents)Hiroshi TakahashiHiroshi Takahashi (224 patents)Ryoichi NakamuraRyoichi Nakamura (7 patents)Hidenobu TsugawaHidenobu Tsugawa (4 patents)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Sony Corporation (1 from 58,130 patents)

2. Sony Semiconductor Solutions Corporation (1 from 2,877 patents)


2 patents:

1. 12376400 - Imaging device

2. 7167582 - Mask inspection method, mask defect inspection system, and method of production of mask

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12/17/2025
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