Growing community of inventors

Miyagi, Japan

Masao Kasajima

Average Co-Inventor Count = 2.40

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 = 3

Masao KasajimaKozo Magami (2 patents)Masao KasajimaKatsumi Takayanagi (1 patent)Masao KasajimaMasao Kasajima (2 patents)Kozo MagamiKozo Magami (4 patents)Katsumi TakayanagiKatsumi Takayanagi (3 patents)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

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


2 patents:

1. 4196410 - Variable resistor

2. 4159460 - Variable resistor

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1/3/2026
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