Growing community of inventors

Kumagaya, Japan

Hiroyuki Ohira

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 = 9

Hiroyuki Ohira ↔ Yukio Yuzawa (1 patent)Hiroyuki Ohira ↔ Nobuyuki Shibasaki (1 patent)Hiroyuki Ohira ↔ Yoshinori Yamamoto (1 patent)Hiroyuki Ohira ↔ Toshimasa Yoshizane (1 patent)Hiroyuki OhiraHiroyuki Ohira (1 patent)Yukio YuzawaYukio Yuzawa (1 patent)Nobuyuki ShibasakiNobuyuki Shibasaki (1 patent)Yoshinori YamamotoYoshinori Yamamoto (1 patent)Toshimasa YoshizaneToshimasa Yoshizane (1 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Chichibu Cement Co., Ltd. (1 from 24 patents)


1 patent:

1. 5330046 - Ceramic conveyor belt

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12/16/2025
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