Growing community of inventors

Kyoto, Japan

Hiroyuki Ohta

Average Co-Inventor Count = 6.00

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 = 1

Hiroyuki Ohta ↔ Osamu Ishizaki (1 patent)Hiroyuki Ohta ↔ Tsuyoshi Maro (1 patent)Hiroyuki Ohta ↔ Hiroyuki Hirata (1 patent)Hiroyuki Ohta ↔ Tatsuo Araki (1 patent)Hiroyuki Ohta ↔ Susumu Shibasaki (1 patent)Hiroyuki OhtaHiroyuki Ohta (1 patent)Osamu IshizakiOsamu Ishizaki (24 patents)Tsuyoshi MaroTsuyoshi Maro (19 patents)Hiroyuki HirataHiroyuki Hirata (6 patents)Tatsuo ArakiTatsuo Araki (6 patents)Susumu ShibasakiSusumu Shibasaki (3 patents)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Hitachi Maxell, Limited (1 from 1,112 patents)


1 patent:

1. 6319580 - Recording disk and producing method therefor

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12/7/2025
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