Growing community of inventors

Tokyo, Japan

Shigeaki Nagata

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

Shigeaki Nagata ↔ Tadashi Kishimoto (1 patent)Shigeaki Nagata ↔ Yutaka Kiyono (1 patent)Shigeaki Nagata ↔ Sadao Maruyama (1 patent)Shigeaki Nagata ↔ Katsuyoshi Arisawa (1 patent)Shigeaki Nagata ↔ Shuichiro Shigemori (1 patent)Shigeaki NagataShigeaki Nagata (1 patent)Tadashi KishimotoTadashi Kishimoto (6 patents)Yutaka KiyonoYutaka Kiyono (1 patent)Sadao MaruyamaSadao Maruyama (1 patent)Katsuyoshi ArisawaKatsuyoshi Arisawa (1 patent)Shuichiro ShigemoriShuichiro Shigemori (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

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as of
12/19/2025
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