Growing community of inventors

Chiyoda-ku, Japan

Tsuyoshi Yamakawa

Average Co-Inventor Count = 10.00

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 = 12

Tsuyoshi Yamakawa ↔ Akihiro Goto (1 patent)Tsuyoshi Yamakawa ↔ Masao Akiyoshi (1 patent)Tsuyoshi Yamakawa ↔ Mitsutoshi Watanabe (1 patent)Tsuyoshi Yamakawa ↔ Hiroyuki Ochiai (1 patent)Tsuyoshi Yamakawa ↔ Mikiya Arai (1 patent)Tsuyoshi Yamakawa ↔ Shigeru Saburi (1 patent)Tsuyoshi Yamakawa ↔ Jun Sakai (1 patent)Tsuyoshi Yamakawa ↔ Tsunao Tezuka (1 patent)Tsuyoshi Yamakawa ↔ Shogo Tsugumi (1 patent)Tsuyoshi YamakawaTsuyoshi Yamakawa (1 patent)Akihiro GotoAkihiro Goto (103 patents)Masao AkiyoshiMasao Akiyoshi (47 patents)Mitsutoshi WatanabeMitsutoshi Watanabe (39 patents)Hiroyuki OchiaiHiroyuki Ochiai (34 patents)Mikiya AraiMikiya Arai (7 patents)Shigeru SaburiShigeru Saburi (3 patents)Jun SakaiJun Sakai (1 patent)Tsunao TezukaTsunao Tezuka (1 patent)Shogo TsugumiShogo Tsugumi (1 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Mitsubishi Denki Kabushiki Kaisha (1 from 21,351 patents)

2. Ihi Corporation (1 from 1,142 patents)


1 patent:

1. 7537809 - Rotating member and method for coating the same

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