Growing community of inventors

Kawasaki, Japan

Keiichi Ikawa

Average Co-Inventor Count = 5.00

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 = 6

Keiichi IkawaTadao Takami (1 patent)Keiichi IkawaKazuhisa Tsubaki (1 patent)Keiichi IkawaKazuhiro Umetsu (1 patent)Keiichi IkawaTetsuaki Nakanishi (1 patent)Keiichi IkawaKeiichi Ikawa (1 patent)Tadao TakamiTadao Takami (19 patents)Kazuhisa TsubakiKazuhisa Tsubaki (10 patents)Kazuhiro UmetsuKazuhiro Umetsu (2 patents)Tetsuaki NakanishiTetsuaki Nakanishi (2 patents)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Ntt Mobile Communications Network, Inc. (1 from 247 patents)

2. Matsushita Communication Industrial Co., Ltd. (1 from 10 patents)


1 patent:

1. 5960336 - Data receiving apparatus

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1/14/2026
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