Growing community of inventors

Natori, Japan

Takefumi Sugai

Average Co-Inventor Count = 2.00

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 = 1

Takefumi SugaiShuichi Ninomiya (1 patent)Takefumi SugaiTakefumi Sugai (1 patent)Shuichi NinomiyaShuichi Ninomiya (6 patents)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Matsushita Electric Industrial Co., Ltd. (1 from 27,375 patents)


1 patent:

1. 5794122 - Radio selective call receiver with sentence memory

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12/13/2025
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