Growing community of inventors

Nishinomiya, Japan

Tohru Arakawa

Average Co-Inventor Count = 5.89

ph-index = 2

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 = 16

Tohru ArakawaToshio Tanaka (3 patents)Tohru ArakawaKazumine Koshi (3 patents)Tohru ArakawaMasaaki Matsui (2 patents)Tohru ArakawaNoriyuki Saito (2 patents)Tohru ArakawaMasaru Shimizu (1 patent)Tohru ArakawaShozoh Shiraga (1 patent)Tohru ArakawaKeita Sakai (1 patent)Tohru ArakawaYuji Doi (1 patent)Tohru ArakawaMasayoshi Komori (1 patent)Tohru ArakawaTohru Arakawa (3 patents)Toshio TanakaToshio Tanaka (9 patents)Kazumine KoshiKazumine Koshi (7 patents)Masaaki MatsuiMasaaki Matsui (5 patents)Noriyuki SaitoNoriyuki Saito (4 patents)Masaru ShimizuMasaru Shimizu (9 patents)Shozoh ShiragaShozoh Shiraga (7 patents)Keita SakaiKeita Sakai (6 patents)Yuji DoiYuji Doi (5 patents)Masayoshi KomoriMasayoshi Komori (3 patents)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Matsushita Electric Industrial Co., Ltd. (3 from 27,375 patents)


3 patents:

1. 6270270 - Printing apparatus

2. 6196741 - Printer

3. 6102596 - Printing device with cutter

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idiyas.com
as of
12/29/2025
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