Growing community of inventors

Toyama-ken, Japan

Sou Koike

Average Co-Inventor Count = 2.12

ph-index = 6

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 = 121

Sou KoikeMasao Hirano (6 patents)Sou KoikeTakayuki Okubo (1 patent)Sou KoikeSou Koike (6 patents)Masao HiranoMasao Hirano (9 patents)Takayuki OkuboTakayuki Okubo (1 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Ykk Architectural Products Inc. (6 from 34 patents)


6 patents:

1. 5910084 - Reinforcing structure for vertical frame member of sash frame

2. 5822926 - Structure for mounting cremorne lock and reinforcing member in vertical

3. 5761860 - Panel mounting structure

4. 5758459 - Sash frame structure for attaching glass

5. 5749175 - Structure of mating portions of double door assembly

6. 5746032 - Structure for attaching a lower transverse frame member of a sash to a

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as of
1/10/2026
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