Growing community of inventors

Nara, Japan

Tosio Koizumi

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 = 17

Tosio KoizumiMichio Hirabayashi (1 patent)Tosio KoizumiKiyotada Shibao (1 patent)Tosio KoizumiTosio Koizumi (1 patent)Michio HirabayashiMichio Hirabayashi (7 patents)Kiyotada ShibaoKiyotada Shibao (1 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. 501 Idec Izumi Corporation (1 from 1 patent)


1 patent:

1. 4860436 - Method of manufacturing a compact switch

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12/19/2025
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