Growing community of inventors

Osaka, Japan

Katumi Shimizu

Average Co-Inventor Count = 2.57

ph-index = 3

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 = 144

Katumi ShimizuMasahiro Oshima (3 patents)Katumi ShimizuTaturo Otani (2 patents)Katumi ShimizuKatumi Shimizu (3 patents)Masahiro OshimaMasahiro Oshima (9 patents)Taturo OtaniTaturo Otani (2 patents)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Meiwa Gravure Co., Ltd. (3 from 10 patents)


3 patents:

1. 5866233 - Decorative sheet with changeable color or density

2. 5723200 - Decorative sheet

3. 5624732 - Bright printed sheet

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idiyas.com
as of
12/21/2025
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