Growing community of inventors

Kishiwada, Japan

Nobumasa Kawashima

Average Co-Inventor Count = 1.67

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 = 8

Nobumasa Kawashima ↔ Nobuhide Yanagawa (1 patent)Nobumasa Kawashima ↔ Hisatake Fujioka (1 patent)Nobumasa Kawashima ↔ Tokio Horikawa (1 patent)Nobumasa Kawashima ↔ Mitsuaki Sawai (1 patent)Nobumasa KawashimaNobumasa Kawashima (2 patents)Nobuhide YanagawaNobuhide Yanagawa (7 patents)Hisatake FujiokaHisatake Fujioka (5 patents)Tokio HorikawaTokio Horikawa (4 patents)Mitsuaki SawaiMitsuaki Sawai (1 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Kubota Corporation (2 from 2,667 patents)


2 patents:

1. D300141 - Rotary blade for tiller

2. 4660668 - Self-propelled agricultural machine

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