Growing community of inventors

Tokyo, Japan

Kazuya Kumazawa

Average Co-Inventor Count = 1.89

ph-index = 3

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 = 56

Kazuya KumazawaKazuo Oosawa (2 patents)Kazuya KumazawaMichio Nagai (1 patent)Kazuya KumazawaAtsushi Ohta (1 patent)Kazuya KumazawaMasaki Shimamura (1 patent)Kazuya KumazawaKazuhiko Yamaoka (1 patent)Kazuya KumazawaJin Kuramoto (1 patent)Kazuya KumazawaMitsuaki Kanada (1 patent)Kazuya KumazawaToshiaki Mizushima (1 patent)Kazuya KumazawaKatsuya Sakaguchi (1 patent)Kazuya KumazawaKazuya Kumazawa (4 patents)Kazuo OosawaKazuo Oosawa (6 patents)Michio NagaiMichio Nagai (53 patents)Atsushi OhtaAtsushi Ohta (18 patents)Masaki ShimamuraMasaki Shimamura (17 patents)Kazuhiko YamaokaKazuhiko Yamaoka (15 patents)Jin KuramotoJin Kuramoto (11 patents)Mitsuaki KanadaMitsuaki Kanada (11 patents)Toshiaki MizushimaToshiaki Mizushima (10 patents)Katsuya SakaguchiKatsuya Sakaguchi (5 patents)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Nec Corporation (3 from 35,734 patents)

2. Japan Aviation Electronics Industry, Limited (1 from 2,145 patents)


4 patents:

1. 11777267 - Connector assembly

2. D814450 - Wireless communication repeater

3. 7447522 - Card holding structure for cellular phone

4. D476635 - Portable wireless telephone

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as of
1/5/2026
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