Growing community of inventors

Tokyo, Japan

Yasushi Tokunaga

Average Co-Inventor Count = 3.33

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 = 20

Yasushi TokunagaMotohiro Shimizu (3 patents)Yasushi TokunagaYasunori Yamada (2 patents)Yasushi TokunagaEtsushi Fukunaga (2 patents)Yasushi TokunagaTakafumi Nozawa (2 patents)Yasushi TokunagaYasushi Tokunaga (3 patents)Motohiro ShimizuMotohiro Shimizu (11 patents)Yasunori YamadaYasunori Yamada (5 patents)Etsushi FukunagaEtsushi Fukunaga (2 patents)Takafumi NozawaTakafumi Nozawa (2 patents)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Riken Vinyl Industry Co., Ltd (2 from 15 patents)

2. Riken Technos Corporation (1 from 81 patents)


3 patents:

1. 6566447 - Resin composition and resin sheet

2. 6433081 - Resin composition and resin sheet

3. 6183842 - Decorative laminated sheet

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idiyas.com
as of
12/15/2025
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