Growing community of inventors

Gifu, Japan

Masayoshi Kasai

Average Co-Inventor Count = 4.93

ph-index = 4

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 = 103

Masayoshi KasaiMasanori Kayano (3 patents)Masayoshi KasaiMitsuhiro Yoshida (2 patents)Masayoshi KasaiHiroyuki Fujimori (2 patents)Masayoshi KasaiAkira Sasaki (1 patent)Masayoshi KasaiYoshifumi Yuasa (1 patent)Masayoshi KasaiYoshio Ishino (1 patent)Masayoshi KasaiToyohiko Kobayashi (1 patent)Masayoshi KasaiShigeru Sakashita (1 patent)Masayoshi KasaiShigemitsu Osawa (1 patent)Masayoshi KasaiKeizo Uesugi (1 patent)Masayoshi KasaiShigeru Aoki (1 patent)Masayoshi KasaiKeiji Ohmori (1 patent)Masayoshi KasaiNoriko Konita (1 patent)Masayoshi KasaiHidenori Asakawa (1 patent)Masayoshi KasaiToshio Kurobe (1 patent)Masayoshi KasaiMasayoshi Kasai (4 patents)Masanori KayanoMasanori Kayano (12 patents)Mitsuhiro YoshidaMitsuhiro Yoshida (5 patents)Hiroyuki FujimoriHiroyuki Fujimori (3 patents)Akira SasakiAkira Sasaki (85 patents)Yoshifumi YuasaYoshifumi Yuasa (12 patents)Yoshio IshinoYoshio Ishino (5 patents)Toyohiko KobayashiToyohiko Kobayashi (5 patents)Shigeru SakashitaShigeru Sakashita (4 patents)Shigemitsu OsawaShigemitsu Osawa (3 patents)Keizo UesugiKeizo Uesugi (3 patents)Shigeru AokiShigeru Aoki (3 patents)Keiji OhmoriKeiji Ohmori (1 patent)Noriko KonitaNoriko Konita (1 patent)Hidenori AsakawaHidenori Asakawa (1 patent)Toshio KurobeToshio Kurobe (1 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Eisai Company, Limited (3 from 677 patents)

2. Sansho Co., Ltd. (2 from 10 patents)

3. Takasago International Corporation (1 from 508 patents)


4 patents:

1. 5246949 - Preparation for endermism containing dopamine derivatives

2. 5041437 - Pharmaceutical preparation for percutaneous administration containing

3. 4994279 - Multi-layer granule

4. 4853211 - Stable, effervescent vaginal suppositories

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as of
12/9/2025
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