Growing community of inventors

Tokyo, Japan

Masafumi Hanazawa

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 = 0

Masafumi Hanazawa ↔ Kenichi Yamamoto (1 patent)Masafumi Hanazawa ↔ Kenji Hijikata (1 patent)Masafumi Hanazawa ↔ Noriyuki Matsuda (1 patent)Masafumi Hanazawa ↔ Daisuke Kugo (1 patent)Masafumi Hanazawa ↔ Tomomichi Shiono (1 patent)Masafumi HanazawaMasafumi Hanazawa (1 patent)Kenichi YamamotoKenichi Yamamoto (48 patents)Kenji HijikataKenji Hijikata (12 patents)Noriyuki MatsudaNoriyuki Matsuda (6 patents)Daisuke KugoDaisuke Kugo (5 patents)Tomomichi ShionoTomomichi Shiono (1 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Subaru Corporation (1 from 2,091 patents)


1 patent:

1. 11542879 - EGR device

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as of
1/8/2026
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