Growing community of inventors

Tokyo, Japan

Ichiro Oba

Average Co-Inventor Count = 2.00

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 = 0

Ichiro ObaMakoto Hirai (1 patent)Ichiro ObaIchiro Oba (1 patent)Makoto HiraiMakoto Hirai (15 patents)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Mitsubishi Heavy Industries Limited (1 from 4,633 patents)


1 patent:

1. 12358661 - Takeoff and landing pad apparatus

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1/11/2026
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