Growing community of inventors

Tokyo, Japan

Kiyokazu Yamamoto

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 = 9

Kiyokazu YamamotoMasao Yamamoto (1 patent)Kiyokazu YamamotoKiyokazu Yamamoto (1 patent)Masao YamamotoMasao Yamamoto (44 patents)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Mitsubishi Chemical Corporation (1 from 2,346 patents)

2. Scalar Corporation (1 from 26 patents)


1 patent:

1. 5442489 - Magnifying observation apparatus

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as of
12/4/2025
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