Growing community of inventors

Tokyo, Japan

Kazuko Iwano

Average Co-Inventor Count = 2.25

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 = 67

Kazuko IwanoOsamu Saito (1 patent)Kazuko IwanoYasushi Ikeda (1 patent)Kazuko IwanoTakeo Imai (1 patent)Kazuko IwanoMomoko Suzumeji (1 patent)Kazuko IwanoKazuko Iwano (3 patents)Osamu SaitoOsamu Saito (43 patents)Yasushi IkedaYasushi Ikeda (10 patents)Takeo ImaiTakeo Imai (9 patents)Momoko SuzumejiMomoko Suzumeji (1 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

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

2. Soft Energy Co., Ltd. (1 from 1 patent)


3 patents:

1. 4952245 - Nacreous pigment containing a dye and cosmetic composition comprising

2. 4930839 - Single-legged chair

3. 4861379 - Spherical fine particulate pigment and process for preparing the same

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as of
12/31/2025
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