Growing community of inventors

Tokushima, Japan

Yasumasa Itoh

Average Co-Inventor Count = 4.00

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 = 3

Yasumasa ItohMichio Ueda (1 patent)Yasumasa ItohYasuji Fujikawa (1 patent)Yasumasa ItohTadao Akai (1 patent)Yasumasa ItohYoji Nishio (5 patents)Yasumasa ItohYasumasa Itoh (1 patent)Michio UedaMichio Ueda (67 patents)Yasuji FujikawaYasuji Fujikawa (23 patents)Tadao AkaiTadao Akai (5 patents)Yoji NishioYoji Nishio (5 patents)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Shikoku Kakoki Co., Ltd. (1 from 145 patents)


1 patent:

1. 6899856 - Device for gasifying sterilizing liquid

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as of
12/19/2025
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