Growing community of inventors

Hitachinaka, Japan

Akio Nadamura

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 = 8

Akio Nadamura ↔ Hiromoto Ohno (1 patent)Akio Nadamura ↔ Toshio Ohi (1 patent)Akio Nadamura ↔ Shin Tamata (1 patent)Akio Nadamura ↔ Toru Tsubaki (1 patent)Akio Nadamura ↔ Koji Ito (1 patent)Akio NadamuraAkio Nadamura (1 patent)Hiromoto OhnoHiromoto Ohno (43 patents)Toshio OhiToshio Ohi (39 patents)Shin TamataShin Tamata (38 patents)Toru TsubakiToru Tsubaki (5 patents)Koji ItoKoji Ito (1 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Showa Denko K.k. (1 from 1,960 patents)

2. Hitachi Engineering Services Co., Ltd. (1 from 30 patents)


1 patent:

1. 6004377 - System for collecting and refining SF.sub.6 gas and method therefor

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as of
1/21/2026
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