Growing community of inventors

Niihama, Japan

Koji Koyama

Average Co-Inventor Count = 2.00

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 = 33

Koji KoyamaYoshio Tadokoro (2 patents)Koji KoyamaTomohiro Maekawa (1 patent)Koji KoyamaKazuhiro Yokoo (1 patent)Koji KoyamaKoji Koyama (4 patents)Yoshio TadokoroYoshio Tadokoro (10 patents)Tomohiro MaekawaTomohiro Maekawa (8 patents)Kazuhiro YokooKazuhiro Yokoo (6 patents)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Sumitomo Chemical Company, Limited (4 from 6,893 patents)

2. Escarbo Sheet Co., Ltd. (1 from 1 patent)


4 patents:

1. 9498912 - Extruded resin film and method for producing the same

2. 6844053 - Acrylic resin film and injection molded article using the same

3. 6692821 - Acrylic resin laminated film and laminated molding using the same

4. 6444298 - Acrylic resin laminated film

Please report any incorrect information to support@idiyas.com
idiyas.com
as of
12/15/2025
Loading…