Growing community of inventors

Itami, Japan

Hiroyuki Shimada

Average Co-Inventor Count = 3.18

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 = 46

Hiroyuki Shimada ↔ Kazuya Yano (7 patents)Hiroyuki Shimada ↔ Machiko Abe (6 patents)Hiroyuki Shimada ↔ Kazuo Nakamae (1 patent)Hiroyuki Shimada ↔ Yoshinori Tanigawa (1 patent)Hiroyuki Shimada ↔ Yoshikazu Yamashita (1 patent)Hiroyuki Shimada ↔ Yoshikazu Yamashita (0 patent)Hiroyuki ShimadaHiroyuki Shimada (7 patents)Kazuya YanoKazuya Yano (10 patents)Machiko AbeMachiko Abe (17 patents)Kazuo NakamaeKazuo Nakamae (22 patents)Yoshinori TanigawaYoshinori Tanigawa (6 patents)Yoshikazu YamashitaYoshikazu Yamashita (1 patent)Yoshikazu YamashitaYoshikazu Yamashita (0 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Sumitomo Electric Hardmetal Corp. (7 from 550 patents)

2. Sumitomo Electric Industries, Limited (1 from 10,239 patents)


7 patents:

1. D910093 - Drilling tool

2. D888786 - Drilling tool

3. D882653 - Drilling tool

4. D857069 - Drilling tool

5. D856387 - Drilling tool

6. D847231 - Drilling tool

7. 9707629 - Cutting tool

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as of
12/6/2025
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