Growing community of inventors

Ibaraki, Japan

Tadashi Ochiai

Average Co-Inventor Count = 2.40

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 = 5

Tadashi OchiaiNobuhiro Imai (2 patents)Tadashi OchiaiFumio Asano (1 patent)Tadashi OchiaiTadashi Ochiai (2 patents)Nobuhiro ImaiNobuhiro Imai (9 patents)Fumio AsanoFumio Asano (6 patents)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Canon Kabushiki Kaisha (2 from 90,809 patents)


2 patents:

1. 5001501 - Image forming apparatus

2. 4916469 - Image-forming apparatus

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1/6/2026
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