Growing community of inventors

Hitachi, Japan

Yasuhiro Hara

Average Co-Inventor Count = 4.29

ph-index = 4

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 = 36

Yasuhiro HaraMitsuhiro Inoue (3 patents)Yasuhiro HaraHideo Baba (2 patents)Yasuhiro HaraTadashi Okazaki (2 patents)Yasuhiro HaraShigeru Kudo (2 patents)Yasuhiro HaraTakahiro Mibe (1 patent)Yasuhiro HaraJunya Yamaguchi (1 patent)Yasuhiro HaraHiroyuki Nakanishi (1 patent)Yasuhiro HaraShigetoshi Kinouchi (1 patent)Yasuhiro HaraTakeshi Oyama (1 patent)Yasuhiro HaraYasuhiro Hara (4 patents)Mitsuhiro InoueMitsuhiro Inoue (10 patents)Hideo BabaHideo Baba (5 patents)Tadashi OkazakiTadashi Okazaki (2 patents)Shigeru KudoShigeru Kudo (2 patents)Takahiro MibeTakahiro Mibe (5 patents)Junya YamaguchiJunya Yamaguchi (1 patent)Hiroyuki NakanishiHiroyuki Nakanishi (1 patent)Shigetoshi KinouchiShigetoshi Kinouchi (1 patent)Takeshi OyamaTakeshi Oyama (1 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Hitachi Chemical Company, Ltd. (4 from 1,641 patents)


4 patents:

1. 6372817 - Friction material composition, production of the same and friction material

2. 6220404 - Non-asbestos disc brake pad for automobiles

3. 5093057 - Clutch driven plates and method of producing the same

4. 5004089 - Clutch driven plates and method of producing the same

Please report any incorrect information to support@idiyas.com
idiyas.com
as of
12/29/2025
Loading…