Growing community of inventors

Kanagawa, Japan

Seiya Hamabe

Average Co-Inventor Count = 2.25

ph-index = 2

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

Seiya HamabeRyuji Kusumi (2 patents)Seiya HamabeTomoyuki Hanai (1 patent)Seiya HamabeMorihiro Deura (1 patent)Seiya HamabeSeiya Hamabe (3 patents)Ryuji KusumiRyuji Kusumi (5 patents)Tomoyuki HanaiTomoyuki Hanai (44 patents)Morihiro DeuraMorihiro Deura (2 patents)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Sony Corporation (3 from 58,130 patents)


3 patents:

1. 6690528 - Recording and reproduction apparatus

2. 6563667 - Cassette deck mechanism for mounting/discharging different size cassettes using a pivoted arm

3. 5640262 - Control system and connecting device

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as of
12/29/2025
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