Growing community of inventors

Hitachi, Japan

Tatsuo Sakamoto

Average Co-Inventor Count = 3.00

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 = 11

Tatsuo Sakamoto ↔ Toshiki Kahara (1 patent)Tatsuo Sakamoto ↔ Shigeaki Namba (1 patent)Tatsuo SakamotoTatsuo Sakamoto (1 patent)Toshiki KaharaToshiki Kahara (19 patents)Shigeaki NambaShigeaki Namba (13 patents)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Hitachi, Ltd. (1 from 42,485 patents)


1 patent:

1. 5346777 - Chemical reaction installation

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12/8/2025
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