Growing community of inventors

Itabashi, Japan

Yoshihiko Koshiyama

Average Co-Inventor Count = 4.00

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 = 6

Yoshihiko Koshiyama ↔ Hikoji Ueda (1 patent)Yoshihiko Koshiyama ↔ Yutaka Kukimoto (1 patent)Yoshihiko Koshiyama ↔ Kozo Suzuki (1 patent)Yoshihiko KoshiyamaYoshihiko Koshiyama (1 patent)Hikoji UedaHikoji Ueda (4 patents)Yutaka KukimotoYutaka Kukimoto (3 patents)Kozo SuzukiKozo Suzuki (2 patents)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Fujikura Kasei Co., Ltd. (1 from 52 patents)


1 patent:

1. 5317060 - Process for producing composite resin for toner

Please report any incorrect information to support@idiyas.com
idiyas.com
as of
12/15/2025
Loading…