Growing community of inventors

Kasai, Japan

Kei Takai

Average Co-Inventor Count = 3.75

ph-index = 2

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 = 8

Kei TakaiJun Yoshida (1 patent)Kei TakaiToshiyuki Fujiyoshi (1 patent)Kei TakaiHideya Tsuchida (1 patent)Kei TakaiKenji Toyooka (1 patent)Kei TakaiHiromichi Matsuhashi (1 patent)Kei TakaiShozo Ushio (1 patent)Kei TakaiKei Takai (2 patents)Jun YoshidaJun Yoshida (6 patents)Toshiyuki FujiyoshiToshiyuki Fujiyoshi (4 patents)Hideya TsuchidaHideya Tsuchida (3 patents)Kenji ToyookaKenji Toyooka (3 patents)Hiromichi MatsuhashiHiromichi Matsuhashi (1 patent)Shozo UshioShozo Ushio (1 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Sanyo Electric Co., Ltd. (2 from 8,777 patents)


2 patents:

1. 7588610 - Dust collector and vacuum cleaner having the same

2. 7427307 - Electric vacuum cleaner

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as of
12/16/2025
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