Growing community of inventors

Souma, Japan

Akiraga Kumakawa

Average Co-Inventor Count = 12.00

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 = 13

Akiraga KumakawaMasayuki Niino (1 patent)Akiraga KumakawaRyuzo Watanabe (1 patent)Akiraga KumakawaAkio Suzuki (1 patent)Akiraga KumakawaNobuyuki Yatsuyanagi (1 patent)Akiraga KumakawaYoshimichi Masuda (1 patent)Akiraga KumakawaJunjiro Takekawa (1 patent)Akiraga KumakawaMasaki Sasaki (1 patent)Akiraga KumakawaHiroshi Sakamoto (1 patent)Akiraga KumakawaHiromi Gomi (1 patent)Akiraga KumakawaEtsuo Ohtsuki (1 patent)Akiraga KumakawaTerashi Isago (1 patent)Akiraga KumakawaAkiraga Kumakawa (1 patent)Masayuki NiinoMasayuki Niino (9 patents)Ryuzo WatanabeRyuzo Watanabe (6 patents)Akio SuzukiAkio Suzuki (6 patents)Nobuyuki YatsuyanagiNobuyuki Yatsuyanagi (5 patents)Yoshimichi MasudaYoshimichi Masuda (5 patents)Junjiro TakekawaJunjiro Takekawa (4 patents)Masaki SasakiMasaki Sasaki (4 patents)Hiroshi SakamotoHiroshi Sakamoto (3 patents)Hiromi GomiHiromi Gomi (3 patents)Etsuo OhtsukiEtsuo Ohtsuki (2 patents)Terashi IsagoTerashi Isago (2 patents)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. The Director of National Aerospace Laboratory of Science and Technology (1 from 3 patents)


1 patent:

1. 4703620 - Rocket combustion chamber cooling wall of composite cooling type and

Please report any incorrect information to support@idiyas.com
idiyas.com
as of
1/7/2026
Loading…