Growing community of inventors

Sagamihara, Japan

Katsuyasu Nagahama

Average Co-Inventor Count = 3.00

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 = 4

Katsuyasu Nagahama ↔ Saburo Uchikuga (1 patent)Katsuyasu Nagahama ↔ Michiro Itoh (1 patent)Katsuyasu NagahamaKatsuyasu Nagahama (1 patent)Saburo UchikugaSaburo Uchikuga (7 patents)Michiro ItohMichiro Itoh (1 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Sogo Pharmaceutical Co., Ltd. (1 from 21 patents)


1 patent:

1. 4250109 - Process for preparing hexamethylene bis-dicyandiamide

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1/5/2026
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