Growing community of inventors

Hoya, Japan

Yoshikuni Ohhira

Average Co-Inventor Count = 4.00

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 = 28

Yoshikuni Ohhira ↔ Tomoyuki Miyata (1 patent)Yoshikuni Ohhira ↔ Masao Sunagawa (1 patent)Yoshikuni Ohhira ↔ Kouichi Hasegawa (1 patent)Yoshikuni OhhiraYoshikuni Ohhira (1 patent)Tomoyuki MiyataTomoyuki Miyata (36 patents)Masao SunagawaMasao Sunagawa (15 patents)Kouichi HasegawaKouichi Hasegawa (2 patents)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Hitachi, Ltd. (1 from 42,488 patents)


1 patent:

1. D293728 - Vacuum cleaner

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12/10/2025
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