Growing community of inventors

Kawasaki, Japan

Akira Hakata

Average Co-Inventor Count = 6.15

ph-index = 2

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 = 49

Akira HakataSatoshi Kuroyanagi (1 patent)Akira HakataRyuichi Takechi (1 patent)Akira HakataNaoki Matsuoka (1 patent)Akira HakataHiroshi Tomonaga (1 patent)Akira HakataMasaaki Kawai (1 patent)Akira HakataTakashi Nishigaya (1 patent)Akira HakataYutaka Ezaki (1 patent)Akira HakataToshihiro Ide (1 patent)Akira HakataMiwako Watanabe (1 patent)Akira HakataNaoto Itoh (1 patent)Akira HakataMasahiro Hirayama (1 patent)Akira HakataAkira Hakata (2 patents)Satoshi KuroyanagiSatoshi Kuroyanagi (62 patents)Ryuichi TakechiRyuichi Takechi (38 patents)Naoki MatsuokaNaoki Matsuoka (26 patents)Hiroshi TomonagaHiroshi Tomonaga (26 patents)Masaaki KawaiMasaaki Kawai (14 patents)Takashi NishigayaTakashi Nishigaya (14 patents)Yutaka EzakiYutaka Ezaki (9 patents)Toshihiro IdeToshihiro Ide (4 patents)Miwako WatanabeMiwako Watanabe (1 patent)Naoto ItohNaoto Itoh (1 patent)Masahiro HirayamaMasahiro Hirayama (1 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Fujitsu Corporation (2 from 39,238 patents)


2 patents:

1. 5610913 - Switching equipment for performing a switching operation for a

2. 5594902 - Custom service control system

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12/28/2025
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