Growing community of inventors

Akishima, Japan

Mayumi Kageyama

Average Co-Inventor Count = 4.00

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 = 16

Mayumi Kageyama ↔ Takeyuki Sawamoto (2 patents)Mayumi Kageyama ↔ Niro Tarumi (1 patent)Mayumi Kageyama ↔ Tsuyoshi Ohkubo (1 patent)Mayumi Kageyama ↔ Reisuke Okada (1 patent)Mayumi Kageyama ↔ Hiroshi Sakai (1 patent)Mayumi KageyamaMayumi Kageyama (2 patents)Takeyuki SawamotoTakeyuki Sawamoto (12 patents)Niro TarumiNiro Tarumi (13 patents)Tsuyoshi OhkuboTsuyoshi Ohkubo (4 patents)Reisuke OkadaReisuke Okada (4 patents)Hiroshi SakaiHiroshi Sakai (3 patents)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Hoya Corporation (2 from 2,532 patents)


2 patents:

1. 5147396 - Intraocular lens

2. 5118548 - Substrate for information-recording media

Please report any incorrect information to support@idiyas.com
idiyas.com
as of
1/7/2026
Loading…