Growing community of inventors

Takasago, Japan

Masakazu Okumura

Average Co-Inventor Count = 4.71

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 = 35

Masakazu OkumuraToshiyuki Sakakibara (2 patents)Masakazu OkumuraKeisuke Kinomura (2 patents)Masakazu OkumuraMasaki Kojima (2 patents)Masakazu OkumuraSadaya Kitazawa (2 patents)Masakazu OkumuraNobuaki Hattori (2 patents)Masakazu OkumuraMasato Yoshioka (1 patent)Masakazu OkumuraOsamu Kimura (1 patent)Masakazu OkumuraTsuyoshi Katayama (1 patent)Masakazu OkumuraMakoto Nakajima (1 patent)Masakazu OkumuraSueko Kobayashi (1 patent)Masakazu OkumuraMasakazu Okumura (4 patents)Toshiyuki SakakibaraToshiyuki Sakakibara (6 patents)Keisuke KinomuraKeisuke Kinomura (3 patents)Masaki KojimaMasaki Kojima (3 patents)Sadaya KitazawaSadaya Kitazawa (3 patents)Nobuaki HattoriNobuaki Hattori (2 patents)Masato YoshiokaMasato Yoshioka (5 patents)Osamu KimuraOsamu Kimura (1 patent)Tsuyoshi KatayamaTsuyoshi Katayama (1 patent)Makoto NakajimaMakoto Nakajima (1 patent)Sueko KobayashiSueko Kobayashi (1 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Nippon Fine Chemical Co., Ltd. (3 from 12 patents)

2. Other (1 from 832,718 patents)


4 patents:

1. 7427640 - Oil materials comprising dimerdiol ester and cosmetics comprising the ester

2. 6183759 - Cosmetic composition

3. 5173554 - Glycoside derivatives, polymers containing glycoside derivatives,

4. 5164492 - Glycoside derivatives, polymers containing glycoside derivatives,

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12/10/2025
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