Growing community of inventors

Yawata, Japan

Osamu Ikawa

Average Co-Inventor Count = 1.33

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 = 10

Osamu IkawaTakashi Yamahata (1 patent)Osamu IkawaOsamu Ikawa (2 patents)Takashi YamahataTakashi Yamahata (8 patents)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. General Company Limited (2 from 34 patents)


2 patents:

1. 6475586 - Unidirectionally visible printing member

2. 4631232 - Heat-sensitive transferring recording medium

Please report any incorrect information to support@idiyas.com
idiyas.com
as of
1/4/2026
Loading…