Growing community of inventors

Okaya, Japan

Hiroki Shimizu

Average Co-Inventor Count = 5.00

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 = 17

Hiroki Shimizu ↔ Takayuki Matsuda (1 patent)Hiroki Shimizu ↔ Setsuo Nii (1 patent)Hiroki Shimizu ↔ Yoichi Shimizu (1 patent)Hiroki Shimizu ↔ Kazushi Imazaki (1 patent)Hiroki ShimizuHiroki Shimizu (1 patent)Takayuki MatsudaTakayuki Matsuda (2 patents)Setsuo NiiSetsuo Nii (2 patents)Yoichi ShimizuYoichi Shimizu (1 patent)Kazushi ImazakiKazushi Imazaki (1 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Honda Motor Co., Ltd. (1 from 21,862 patents)

2. Teikoku Piston Ring Co., Ltd. (1 from 67 patents)


1 patent:

1. 4021205 - Sintered powdered ferrous alloy article and process for producing the

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12/15/2025
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