Growing community of inventors

Tokyo, Japan

Kenta Naganuma

Average Co-Inventor Count = 1.66

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 = 13

Kenta NaganumaKazuyoshi Oshima (2 patents)Kenta NaganumaHiroyuki Ishii (1 patent)Kenta NaganumaManabu Hasegawa (1 patent)Kenta NaganumaKoushi Yamaguchi (1 patent)Kenta NaganumaShinichirou Koshikawa (1 patent)Kenta NaganumaHisashi Fukai (1 patent)Kenta NaganumaRyou Niimi (1 patent)Kenta NaganumaKenta Naganuma (4 patents)Kazuyoshi OshimaKazuyoshi Oshima (42 patents)Hiroyuki IshiiHiroyuki Ishii (287 patents)Manabu HasegawaManabu Hasegawa (22 patents)Koushi YamaguchiKoushi Yamaguchi (21 patents)Shinichirou KoshikawaShinichirou Koshikawa (4 patents)Hisashi FukaiHisashi Fukai (3 patents)Ryou NiimiRyou Niimi (2 patents)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Sugatsune Kogyo Co., Ltd. (3 from 228 patents)

2. Nintendo Co., Ltd. (1 from 2,806 patents)

3. Pkm Corporation (1 from 1 patent)


4 patents:

1. 11767694 - Hinge

2. 10533358 - Hinge

3. 10113344 - Stay

4. 8032987 - Portable device and hinge assembly

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idiyas.com
as of
12/24/2025
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