Growing community of inventors

Mizusawa, Japan

Tutomu Ojima

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 = 36

Tutomu Ojima ↔ Yoshiaki Kato (1 patent)Tutomu Ojima ↔ Harumi Yuyama (1 patent)Tutomu Ojima ↔ Hiromi Ishikawa (1 patent)Tutomu OjimaTutomu Ojima (1 patent)Yoshiaki KatoYoshiaki Kato (7 patents)Harumi YuyamaHarumi Yuyama (1 patent)Hiromi IshikawaHiromi Ishikawa (1 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Citizen Watch Company, Ltd. (1 from 2,002 patents)


1 patent:

1. 4962485 - Noncontacting IC card supplied with power from an outside source

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12/30/2025
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