Growing community of inventors

Yokohama, Japan

Yasushi Kuba

Average Co-Inventor Count = 10.00

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 = 198

Yasushi Kuba ↔ Kazuo Takaragi (1 patent)Yasushi Kuba ↔ Akinobu Shimada (1 patent)Yasushi Kuba ↔ Masafumi Nozawa (1 patent)Yasushi Kuba ↔ Yasuhiro Ishii (1 patent)Yasushi Kuba ↔ Tokuhiro Tsukiyama (1 patent)Yasushi Kuba ↔ Fujio Fujita (1 patent)Yasushi Kuba ↔ Toshifumi Nishimura (1 patent)Yasushi Kuba ↔ Katsuharu Kakuse (1 patent)Yasushi Kuba ↔ Kiyoshi Yata (1 patent)Yasushi KubaYasushi Kuba (1 patent)Kazuo TakaragiKazuo Takaragi (67 patents)Akinobu ShimadaAkinobu Shimada (53 patents)Masafumi NozawaMasafumi Nozawa (41 patents)Yasuhiro IshiiYasuhiro Ishii (10 patents)Tokuhiro TsukiyamaTokuhiro Tsukiyama (8 patents)Fujio FujitaFujio Fujita (7 patents)Toshifumi NishimuraToshifumi Nishimura (6 patents)Katsuharu KakuseKatsuharu Kakuse (5 patents)Kiyoshi YataKiyoshi Yata (5 patents)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Hitachi, Ltd. (1 from 42,508 patents)


1 patent:

1. 5235641 - File encryption method and file cryptographic system

Please report any incorrect information to support@idiyas.com
idiyas.com
as of
1/3/2026
Loading…