Growing community of inventors

Tokyo, Japan

Daiichi Watanabe

Average Co-Inventor Count = 4.00

ph-index = 1

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 = 1

Daiichi Watanabe ↔ Masahiro Ozaki (2 patents)Daiichi Watanabe ↔ Hiroshi Nakajima (1 patent)Daiichi Watanabe ↔ Tatsuo Katayama (1 patent)Daiichi Watanabe ↔ Mayumi Hayashi (1 patent)Daiichi Watanabe ↔ Miwako Hagiuda (1 patent)Daiichi Watanabe ↔ Yoshihiro Nishikawa (1 patent)Daiichi WatanabeDaiichi Watanabe (2 patents)Masahiro OzakiMasahiro Ozaki (34 patents)Hiroshi NakajimaHiroshi Nakajima (72 patents)Tatsuo KatayamaTatsuo Katayama (4 patents)Mayumi HayashiMayumi Hayashi (2 patents)Miwako HagiudaMiwako Hagiuda (1 patent)Yoshihiro NishikawaYoshihiro Nishikawa (1 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Unitika Ltd. (1 from 392 patents)

2. Fujirebio Inc. (1 from 102 patents)


2 patents:

1. 6201009 - Absorption-enhancing composition for pantothenic acid derivative

2. 5663322 - Diadenosine tetraphosphate tetrasodium salt dodecahydrate crystals and

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as of
1/21/2026
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