Growing community of inventors

Yokohama, Japan

Nobuyuki Iwasawa

Average Co-Inventor Count = 2.00

ph-index = 1

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 = 9

Nobuyuki IwasawaKeiji Kazato (1 patent)Nobuyuki IwasawaNobuyuki Iwasawa (1 patent)Keiji KazatoKeiji Kazato (3 patents)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Toppan Printing Co., Ltd. (1 from 1,268 patents)


1 patent:

1. 4497856 - Multi-layered hollow container

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as of
12/16/2025
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