Growing community of inventors

Tokyo, Japan

Hirokatsu Iwaya

Average Co-Inventor Count = 2.40

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 = 34

Hirokatsu IwayaTakashi Suzuki (1 patent)Hirokatsu IwayaHiroshi Kaneko (1 patent)Hirokatsu IwayaHiroshi Saigo (1 patent)Hirokatsu IwayaHirokatsu Iwaya (2 patents)Takashi SuzukiTakashi Suzuki (191 patents)Hiroshi KanekoHiroshi Kaneko (30 patents)Hiroshi SaigoHiroshi Saigo (5 patents)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Yonezawa Toys Co., Ltd. (1 from 5 patents)

2. Iwaya Kabushiki Kaisha (1 from 1 patent)

3. Iwaya Co., Ltd. (1 from 1 patent)


2 patents:

1. D270258 - Game playing board

2. 4389811 - Bird action toy

Please report any incorrect information to support@idiyas.com
idiyas.com
as of
12/16/2025
Loading…