Growing community of inventors

Yokohama, Japan

Hiroyuki Okubo

Average Co-Inventor Count = 5.00

ph-index = 2

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

Hiroyuki OkuboTsutomu Hara (2 patents)Hiroyuki OkuboBunpei Masuda (2 patents)Hiroyuki OkuboHiroshi Isozaki (2 patents)Hiroyuki OkuboSusumu Nomura (1 patent)Hiroyuki OkuboIsamu Yoshizawa (1 patent)Hiroyuki OkuboHiroyuki Okubo (2 patents)Tsutomu HaraTsutomu Hara (41 patents)Bunpei MasudaBunpei Masuda (4 patents)Hiroshi IsozakiHiroshi Isozaki (3 patents)Susumu NomuraSusumu Nomura (14 patents)Isamu YoshizawaIsamu Yoshizawa (1 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Ishikawajima-harima Jukogyo Kabushiki Kaisha (2 from 306 patents)


2 patents:

1. 4179958 - Method for shearing hot strips and device therefor

2. 4112798 - Drum type flying shear

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idiyas.com
as of
12/15/2025
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