Growing community of inventors

Osaka, Japan

Tsutomu Irishima

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 = 30

Tsutomu Irishima ↔ Masanobu Abe (1 patent)Tsutomu Irishima ↔ Yasuhiro Sota (1 patent)Tsutomu Irishima ↔ Syohei Suzuki (1 patent)Tsutomu Irishima ↔ Keiichi Nakayama (1 patent)Tsutomu Irishima ↔ Hironori Ohata (1 patent)Tsutomu IrishimaTsutomu Irishima (1 patent)Masanobu AbeMasanobu Abe (5 patents)Yasuhiro SotaYasuhiro Sota (3 patents)Syohei SuzukiSyohei Suzuki (3 patents)Keiichi NakayamaKeiichi Nakayama (1 patent)Hironori OhataHironori Ohata (1 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Nippon Telegraph and Telephone Corporation (2 from 5,290 patents)

2. Iwatsu Electric Company Ltd. (1 from 190 patents)


1 patent:

1. D557676 - Conference telephone

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idiyas.com
as of
12/24/2025
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