Growing community of inventors

Sapporo, Japan

Hidetoshi Ishikawa

Average Co-Inventor Count = 4.09

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 = 8

Hidetoshi IshikawaAtsushi Serizawa (2 patents)Hidetoshi IshikawaYukihiro Takada (2 patents)Hidetoshi IshikawaSeiichiro Aoe (2 patents)Hidetoshi IshikawaTomoe Yoshioka (2 patents)Hidetoshi IshikawaYasuharu Itagaki (1 patent)Hidetoshi IshikawaSeiji Kurosawa (1 patent)Hidetoshi IshikawaHidetoshi Ishikawa (3 patents)Atsushi SerizawaAtsushi Serizawa (15 patents)Yukihiro TakadaYukihiro Takada (11 patents)Seiichiro AoeSeiichiro Aoe (10 patents)Tomoe YoshiokaTomoe Yoshioka (2 patents)Yasuharu ItagakiYasuharu Itagaki (7 patents)Seiji KurosawaSeiji Kurosawa (4 patents)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Snow Brand Milk Products Co., Ltd. (2 from 200 patents)

2. Show Brand Products Co., Ltd. (1 from 1 patent)


3 patents:

1. 6740334 - Bone resorption suppressing agent

2. 6607743 - Bone resorption suppressing agent

3. 5698185 - Whitening cosmetic preparation and method of using same

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as of
12/18/2025
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