Growing community of inventors

Tokyo, Japan

Ryota Kaijima

Average Co-Inventor Count = 1.60

ph-index = 2

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 = 65

Ryota KaijimaHirokazu Ihara (1 patent)Ryota KaijimaHiroyuki Kaji (1 patent)Ryota KaijimaYoshihiko Nitta (1 patent)Ryota KaijimaRyota Kaijima (2 patents)Hirokazu IharaHirokazu Ihara (39 patents)Hiroyuki KajiHiroyuki Kaji (19 patents)Yoshihiko NittaYoshihiko Nitta (8 patents)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Hitachi, Ltd. (1 from 42,526 patents)

2. Hitachi Business International, Ltd. (1 from 1 patent)


2 patents:

1. 6047299 - Document composition supporting method and system, and electronic

2. 4954984 - Method and apparatus for supplementing translation information in

Please report any incorrect information to support@idiyas.com
idiyas.com
as of
1/15/2026
Loading…