Growing community of inventors

Takatsuki, Japan

Kazuhiko Sakuma

Average Co-Inventor Count = 3.33

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 = 72

Kazuhiko SakumaJunichi Haruta (4 patents)Kazuhiko SakumaYoshihiro Watanabe (2 patents)Kazuhiko SakumaYoshihiro Watanabe (1 patent)Kazuhiko SakumaItsuo Uchida (1 patent)Kazuhiko SakumaKatsuyoshi Hara (1 patent)Kazuhiko SakumaAkihiro Yasuda (1 patent)Kazuhiko SakumaKazuhiko Sakuma (4 patents)Junichi HarutaJunichi Haruta (9 patents)Yoshihiro WatanabeYoshihiro Watanabe (68 patents)Yoshihiro WatanabeYoshihiro Watanabe (71 patents)Itsuo UchidaItsuo Uchida (12 patents)Katsuyoshi HaraKatsuyoshi Hara (5 patents)Akihiro YasudaAkihiro Yasuda (2 patents)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Japan Tobacco Inc. (4 from 1,037 patents)


4 patents:

1. RE39088 - Amide compounds and use of the same

2. 6420561 - Amide compounds and use thereof

3. 6174887 - Amide compounds and use of the same

4. 5329042 - Cyclohexene derivative and method of producing the same

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12/7/2025
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