Growing community of inventors

Tokyo, Japan

Tsutomu Hata

Average Co-Inventor Count = 3.00

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 = 139

Tsutomu HataYuji Kanno (1 patent)Tsutomu HataAki Nakagawa (1 patent)Tsutomu HataTsutomu Hata (1 patent)Yuji KannoYuji Kanno (18 patents)Aki NakagawaAki Nakagawa (5 patents)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

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


1 patent:

1. 5819295 - Document storing and managing system

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12/30/2025
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