Growing community of inventors

Yachimatamachi, Japan

Tsutomu Asaka

Average Co-Inventor Count = 3.43

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 = 30

Tsutomu Asaka ↔ Kyuzo Nakamura (2 patents)Tsutomu Asaka ↔ Yoshifumi Ota (2 patents)Tsutomu Asaka ↔ Shin Asari (1 patent)Tsutomu AsakaTsutomu Asaka (2 patents)Kyuzo NakamuraKyuzo Nakamura (43 patents)Yoshifumi OtaYoshifumi Ota (16 patents)Shin AsariShin Asari (3 patents)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Nihon Shinku Gijutsu Kabushiki Kaisha (2 from 85 patents)


2 patents:

1. 4683176 - Optical magnetic recording member

2. 4661420 - Optical magnetic recording member

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1/2/2026
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