Growing community of inventors

Tokyo, Japan

Koichi Yasunaga

Average Co-Inventor Count = 2.00

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 = 16

Koichi YasunagaTakuya Arai (2 patents)Koichi YasunagaKenji Masui (1 patent)Koichi YasunagaKoichi Yasunaga (3 patents)Takuya AraiTakuya Arai (81 patents)Kenji MasuiKenji Masui (11 patents)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Fuji Photo Film Company, Limited (2 from 16,458 patents)

2. Kao Corporation (1 from 3,603 patents)


3 patents:

1. 6773741 - Water-in-oil type emulsified fat and/or oil composition

2. D345569 - Single use camera

3. D345570 - Single use camera

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1/5/2026
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