Growing community of inventors

Osaka, Japan

Masahiro Oshima

Average Co-Inventor Count = 2.20

ph-index = 7

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 = 381

Masahiro OshimaHiroshi Sasaki (3 patents)Masahiro OshimaKatumi Shimizu (3 patents)Masahiro OshimaKatsumi Shimizu (2 patents)Masahiro OshimaTatsurou Ohtani (2 patents)Masahiro OshimaTaturo Otani (2 patents)Masahiro OshimaYasuo Kita (1 patent)Masahiro OshimaIwao Hasegawa (1 patent)Masahiro OshimaMasahiro Oshima (9 patents)Hiroshi SasakiHiroshi Sasaki (8 patents)Katumi ShimizuKatumi Shimizu (3 patents)Katsumi ShimizuKatsumi Shimizu (2 patents)Tatsurou OhtaniTatsurou Ohtani (2 patents)Taturo OtaniTaturo Otani (2 patents)Yasuo KitaYasuo Kita (8 patents)Iwao HasegawaIwao Hasegawa (1 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Meiwa Gravure Co., Ltd. (9 from 10 patents)


9 patents:

1. 6329040 - Decorative sheet having three-dimensional effect

2. 6150007 - Fused decorative sheet

3. 6132848 - Inlaid decorative sheet, its manufacturing method and manufacturing

4. 6103345 - Decorative sheet with changeable color or density

5. 5968632 - Cavity included decorative sheet, its manufacturing method and

6. 5866233 - Decorative sheet with changeable color or density

7. 5723200 - Decorative sheet

8. 5624732 - Bright printed sheet

9. 5232764 - Synthetic resin pattern sheet

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idiyas.com
as of
12/20/2025
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