Growing community of inventors

Otsu, Japan

Hisashi Ubara

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 = 21

Hisashi Ubara ↔ Naoki Mizuno (1 patent)Hisashi Ubara ↔ Shoichi Gyobu (1 patent)Hisashi Ubara ↔ Yoshimitsu Sakaguchi (1 patent)Hisashi Ubara ↔ Tetsuo Kodama (1 patent)Hisashi Ubara ↔ Hidekazu Yoshida (1 patent)Hisashi Ubara ↔ Yusuke Shimizu (1 patent)Hisashi Ubara ↔ Syunji Kurahara (1 patent)Hisashi Ubara ↔ Koichi Matsuda (1 patent)Hisashi Ubara ↔ Ken Takasugi (1 patent)Hisashi UbaraHisashi Ubara (1 patent)Naoki MizunoNaoki Mizuno (24 patents)Shoichi GyobuShoichi Gyobu (13 patents)Yoshimitsu SakaguchiYoshimitsu Sakaguchi (12 patents)Tetsuo KodamaTetsuo Kodama (5 patents)Hidekazu YoshidaHidekazu Yoshida (4 patents)Yusuke ShimizuYusuke Shimizu (3 patents)Syunji KuraharaSyunji Kurahara (2 patents)Koichi MatsudaKoichi Matsuda (1 patent)Ken TakasugiKen Takasugi (1 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Toyo Boseki Kabushiki Kaisha (1 from 789 patents)


1 patent:

1. 6689437 - Oxygen-absorbing material

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12/8/2025
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