Growing community of inventors

Hitachi, Japan

Masaki Katahira

Average Co-Inventor Count = 8.00

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 = 80

Masaki Katahira ↔ Yasuo Morooka (1 patent)Masaki Katahira ↔ Atsushi Kawabata (1 patent)Masaki Katahira ↔ Korefumi Tashiro (1 patent)Masaki Katahira ↔ Masakazu Yahiro (1 patent)Masaki Katahira ↔ Kazuo Kera (1 patent)Masaki Katahira ↔ Shuuichi Miura (1 patent)Masaki Katahira ↔ Satoru Murata (1 patent)Masaki KatahiraMasaki Katahira (1 patent)Yasuo MorookaYasuo Morooka (63 patents)Atsushi KawabataAtsushi Kawabata (24 patents)Korefumi TashiroKorefumi Tashiro (24 patents)Masakazu YahiroMasakazu Yahiro (10 patents)Kazuo KeraKazuo Kera (7 patents)Shuuichi MiuraShuuichi Miura (6 patents)Satoru MurataSatoru Murata (1 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Hitachi, Ltd. (1 from 42,485 patents)


1 patent:

1. 5487516 - Train control system

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