Growing community of inventors

Ube, Japan

Hisao Yamashina

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 = 2

Hisao YamashinaMasaoki Matsuda (1 patent)Hisao YamashinaShinichi Furusaki (1 patent)Hisao YamashinaNoriaki Manada (1 patent)Hisao YamashinaHisao Yamashina (1 patent)Masaoki MatsudaMasaoki Matsuda (11 patents)Shinichi FurusakiShinichi Furusaki (9 patents)Noriaki ManadaNoriaki Manada (4 patents)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Ube Industries, Inc. (1 from 1,432 patents)


1 patent:

1. 4420633 - Process for the preparation of an ester of formic acid

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1/7/2026
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