Growing community of inventors

Tokyo, Japan

Hidehiko Kai

Average Co-Inventor Count = 4.61

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 = 9

Hidehiko KaiHirokazu Morii (3 patents)Hidehiko KaiChizuru Wakai (2 patents)Hidehiko KaiHideki Fujiwara (1 patent)Hidehiko KaiSeiki Yoneshige (1 patent)Hidehiko KaiKoji Okomori (1 patent)Hidehiko KaiHideaki Nisogi (1 patent)Hidehiko KaiYukiko Ohira (1 patent)Hidehiko KaiKiyoshi Hatakeyama (1 patent)Hidehiko KaiHidehiko Kai (3 patents)Hirokazu MoriiHirokazu Morii (16 patents)Chizuru WakaiChizuru Wakai (3 patents)Hideki FujiwaraHideki Fujiwara (22 patents)Seiki YoneshigeSeiki Yoneshige (6 patents)Koji OkomoriKoji Okomori (6 patents)Hideaki NisogiHideaki Nisogi (3 patents)Yukiko OhiraYukiko Ohira (2 patents)Kiyoshi HatakeyamaKiyoshi Hatakeyama (1 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Nippon Paper Industries Co., Ltd. (3 from 343 patents)


3 patents:

1. 8025924 - Cast-coated papers and processes for preparing thereof

2. 7829182 - Coated paper for printing

3. 6929845 - Coated paper for gravure

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idiyas.com
as of
12/27/2025
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