Growing community of inventors

Koshigaya, Japan

Sadao Maruyama

Average Co-Inventor Count = 6.00

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

Sadao Maruyama ↔ Tadashi Kishimoto (1 patent)Sadao Maruyama ↔ Yutaka Kiyono (1 patent)Sadao Maruyama ↔ Shuichiro Shigemori (1 patent)Sadao Maruyama ↔ Katsuyoshi Arisawa (1 patent)Sadao Maruyama ↔ Shigeaki Nagata (1 patent)Sadao MaruyamaSadao Maruyama (1 patent)Tadashi KishimotoTadashi Kishimoto (6 patents)Yutaka KiyonoYutaka Kiyono (1 patent)Shuichiro ShigemoriShuichiro Shigemori (1 patent)Katsuyoshi ArisawaKatsuyoshi Arisawa (1 patent)Shigeaki NagataShigeaki Nagata (1 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Mamiya Camera Co., Ltd. (1 from 5 patents)


1 patent:

1. 4109999 - Illuminating device for slit lamp microscopes

Please report any incorrect information to support@idiyas.com
idiyas.com
as of
12/19/2025
Loading…