Growing community of inventors

Niigata, Japan

Takashi Tachikawa

Average Co-Inventor Count = 6.00

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 = 1

Takashi Tachikawa ↔ Hiroshi Sudo (1 patent)Takashi Tachikawa ↔ Keijiro Yoshida (1 patent)Takashi Tachikawa ↔ Tomomichi Nakamura (1 patent)Takashi Tachikawa ↔ Hajime Anzai (1 patent)Takashi Tachikawa ↔ Shigeru Ochiai (1 patent)Takashi TachikawaTakashi Tachikawa (1 patent)Hiroshi SudoHiroshi Sudo (6 patents)Keijiro YoshidaKeijiro Yoshida (3 patents)Tomomichi NakamuraTomomichi Nakamura (2 patents)Hajime AnzaiHajime Anzai (2 patents)Shigeru OchiaiShigeru Ochiai (2 patents)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Mitsubishi Heavy Industries Limited (1 from 4,621 patents)

2. Nihonkai Lng Co., Ltd (1 from 1 patent)

3. Jonquil Consulting Inc. (1 from 1 patent)


1 patent:

1. 7040176 - Design analysis method of earthquake-proof reinforcement structure, and storage medium

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as of
12/12/2025
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