Growing community of inventors

Miyagi-ken, Japan

Toshihisa Matsushita

Average Co-Inventor Count = 2.00

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 = 63

Toshihisa MatsushitaYoshimasa Kuroda (2 patents)Toshihisa MatsushitaToshihisa Matsushita (2 patents)Yoshimasa KurodaYoshimasa Kuroda (10 patents)
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Inventor’s number of patents
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Strength of working relationships

Company Filing History:

1. Alps Electric Co., Ltd. (2 from 4,048 patents)


2 patents:

1. 6913492 - Connector device for card into which plural kinds of cards of different shapes can be inserted

2. 6700788 - Connector device for cards permitting insertion of different types of cards

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as of
12/18/2025
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