Growing community of inventors

Kawaguchi, Japan

Yasuo Ishii

Average Co-Inventor Count = 3.75

ph-index = 2

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 = 13

Yasuo IshiiSeiji Itoh (5 patents)Yasuo IshiiKatsuhiko Mukai (5 patents)Yasuo IshiiKiyoshi Kita (4 patents)Yasuo IshiiYasuo Ishii (5 patents)Seiji ItohSeiji Itoh (6 patents)Katsuhiko MukaiKatsuhiko Mukai (5 patents)Kiyoshi KitaKiyoshi Kita (20 patents)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. New Vision Co., Ltd. (3 from 4 patents)

2. Other (1 from 832,718 patents)

3. Katsuhiko Mukai (1 from 2 patents)


5 patents:

1. 6500813 - Ophthalmic composition containing active vitamin D

2. 6410006 - Composition for prophylaxis and/or treatment of dry eye syndrome comprising vitamin D

3. 6248732 - Ophthalmological composition comprising activated vitamin D

4. 6187331 - Composition for prophylaxis and/or treatment of dry syndrome comprising vitamin D

5. 5876709 - Ophthalmic composition containing active Vitamin D

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as of
12/10/2025
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