Growing community of inventors

Yokohama, Japan

Osamu Okushima

Average Co-Inventor Count = 5.00

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 = 1

Osamu OkushimaKenzo Ariyama (1 patent)Osamu OkushimaRyoji Handa (1 patent)Osamu OkushimaJun Hosoda (1 patent)Osamu OkushimaNobuo Kurashige (1 patent)Osamu OkushimaOsamu Okushima (1 patent)Kenzo AriyamaKenzo Ariyama (31 patents)Ryoji HandaRyoji Handa (11 patents)Jun HosodaJun Hosoda (7 patents)Nobuo KurashigeNobuo Kurashige (3 patents)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Mitsubishi Rayon Company, Limited (1 from 1,357 patents)

2. Nitto Kagaku Kogyo Kabushiki Kaisha (1 from 23 patents)

3. Diafloc Co., Ltd. (1 from 8 patents)


1 patent:

1. 4455411 - Process for preparing acrylamide polymers

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1/9/2026
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