Growing community of inventors

Tokyo, Japan

Naohisa Oota

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 = 0

Naohisa OotaHiroshi Matsuda (2 patents)Naohisa OotaShunsuke Takahashi (1 patent)Naohisa OotaNaohisa Oota (2 patents)Hiroshi MatsudaHiroshi Matsuda (94 patents)Shunsuke TakahashiShunsuke Takahashi (9 patents)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Lixil Corporation (2 from 113 patents)


2 patents:

1. 10934699 - Toilet

2. 10687677 - Toilet system

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idiyas.com
as of
1/11/2026
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