Growing community of inventors

Ibaraki, Japan

Tsugio Sonobe

Average Co-Inventor Count = 7.00

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 = 85

Tsugio Sonobe ↔ Takashi Tsumanuma (1 patent)Tsugio Sonobe ↔ Kazuo Sanada (1 patent)Tsugio Sonobe ↔ Osamu Fukuda (1 patent)Tsugio Sonobe ↔ Sadao Chigira (1 patent)Tsugio Sonobe ↔ Shotaro Hayashi (1 patent)Tsugio Sonobe ↔ Kiyonori Ishii (1 patent)Tsugio SonobeTsugio Sonobe (1 patent)Takashi TsumanumaTakashi Tsumanuma (23 patents)Kazuo SanadaKazuo Sanada (12 patents)Osamu FukudaOsamu Fukuda (11 patents)Sadao ChigiraSadao Chigira (5 patents)Shotaro HayashiShotaro Hayashi (1 patent)Kiyonori IshiiKiyonori Ishii (1 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Fujikura Limited (1 from 1,807 patents)

2. Doryokuro Kakunenryo Kaihatsu Jigyodan (1 from 196 patents)


1 patent:

1. 4896941 - Image-transmitting fiber

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