Growing community of inventors

Odawara, Japan

Ryoma Ishizaka

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 = 1

Ryoma Ishizaka ↔ Yukiyoshi Takamura (1 patent)Ryoma Ishizaka ↔ Tomohisa Ogasawara (1 patent)Ryoma Ishizaka ↔ Yusuke Matsumura (1 patent)Ryoma IshizakaRyoma Ishizaka (1 patent)Yukiyoshi TakamuraYukiyoshi Takamura (6 patents)Tomohisa OgasawaraTomohisa Ogasawara (4 patents)Yusuke MatsumuraYusuke Matsumura (1 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Hitachi, Ltd. (1 from 42,485 patents)


1 patent:

1. 8904107 - Storage apparatus and program update method

Please report any incorrect information to support@idiyas.com
idiyas.com
as of
12/8/2025
Loading…