Growing community of inventors

Moriyama, Japan

Katsuhiko Oikawa

Average Co-Inventor Count = 4.00

ph-index = 3

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 = 78

Katsuhiko OikawaHirofumi Yanagizawa (2 patents)Katsuhiko OikawaShigeru Nakamura (1 patent)Katsuhiko OikawaAtsushi Okada (1 patent)Katsuhiko OikawaYoshinori Kamiya (1 patent)Katsuhiko OikawaNanami Ozawa (1 patent)Katsuhiko OikawaNaoki Morozumi (1 patent)Katsuhiko OikawaHaruo Kamiya (1 patent)Katsuhiko OikawaRika Kowatari (1 patent)Katsuhiko OikawaKyoji Muraoka (1 patent)Katsuhiko OikawaKatsuhiko Oikawa (3 patents)Hirofumi YanagizawaHirofumi Yanagizawa (4 patents)Shigeru NakamuraShigeru Nakamura (66 patents)Atsushi OkadaAtsushi Okada (5 patents)Yoshinori KamiyaYoshinori Kamiya (3 patents)Nanami OzawaNanami Ozawa (2 patents)Naoki MorozumiNaoki Morozumi (1 patent)Haruo KamiyaHaruo Kamiya (1 patent)Rika KowatariRika Kowatari (1 patent)Kyoji MuraokaKyoji Muraoka (1 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Gunze Limited (3 from 157 patents)

2. Nissan Motor Company Limited (1 from 13,402 patents)

3. Mitsui Petrochemical Industries, Ltd. (1 from 1,008 patents)


3 patents:

1. 6282729 - Waist protection member

2. 5403638 - Flocked member

3. 5189840 - Device for holding slidable member

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idiyas.com
as of
12/21/2025
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