Growing community of inventors

Tokyo, Japan

Tukasi Chiba

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 = 4

Tukasi Chiba ↔ Ryoichi Naka (1 patent)Tukasi Chiba ↔ Yutaka Fujino (1 patent)Tukasi Chiba ↔ Fumio Kondoh (1 patent)Tukasi Chiba ↔ Toshihiko Yoshizumi (1 patent)Tukasi Chiba ↔ Seiichi Satoh (1 patent)Tukasi Chiba ↔ Shinichi Nakata (1 patent)Tukasi Chiba ↔ Osamu Ishita (1 patent)Tukasi ChibaTukasi Chiba (1 patent)Ryoichi NakaRyoichi Naka (4 patents)Yutaka FujinoYutaka Fujino (2 patents)Fumio KondohFumio Kondoh (1 patent)Toshihiko YoshizumiToshihiko Yoshizumi (1 patent)Seiichi SatohSeiichi Satoh (1 patent)Shinichi NakataShinichi Nakata (1 patent)Osamu IshitaOsamu Ishita (1 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Nippon Steel Corporation (1 from 3,562 patents)

2. Taisei Corporation (1 from 80 patents)

3. Geostr Corporation (1 from 1 patent)


1 patent:

1. 7004679 - Easily-cuttable tunnel segment structure

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