Growing community of inventors

Osaka, Japan

Ken Nakajima

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 = 3

Ken NakajimaMotonori Tsukida (1 patent)Ken NakajimaShingo Nakagawa (1 patent)Ken NakajimaKen Nakajima (2 patents)Motonori TsukidaMotonori Tsukida (3 patents)Shingo NakagawaShingo Nakagawa (1 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Zojirushi Corporation (2 from 86 patents)

2. Kikulon Co., Ltd. (1 from 1 patent)


2 patents:

1. D998924 - Sponge

2. D966041 - Water bottle pouch

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idiyas.com
as of
1/5/2026
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