Growing community of inventors

Tokyo, Japan

Yoichi Sawayanagi

Average Co-Inventor Count = 1.85

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 = 48

Yoichi SawayanagiYutaka Kawamura (2 patents)Yoichi SawayanagiAkira Iwasa (1 patent)Yoichi SawayanagiShuichi Kasai (1 patent)Yoichi SawayanagiHideyoshi Kanbe (1 patent)Yoichi SawayanagiMasunari Fushimi (1 patent)Yoichi SawayanagiYoshiharu Otani (1 patent)Yoichi SawayanagiYoichi Sawayanagi (5 patents)Yutaka KawamuraYutaka Kawamura (2 patents)Akira IwasaAkira Iwasa (24 patents)Shuichi KasaiShuichi Kasai (13 patents)Hideyoshi KanbeHideyoshi Kanbe (3 patents)Masunari FushimiMasunari Fushimi (1 patent)Yoshiharu OtaniYoshiharu Otani (1 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Dojin Iyaku Kako Co., Ltd. (5 from 7 patents)

2. Ss Pharmaceutical Co., Ltd. (1 from 90 patents)


5 patents:

1. 5602234 - Stable antibody solution and method for preparing same

2. 5482973 - Suppository preparation

3. 5296235 - Plaster preparation

4. 5225206 - Sustained-release pranoprofen preparation

5. 4948581 - Long acting diclofenac sodium preparation

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as of
1/11/2026
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