Growing community of inventors

Gifu, Japan

Takakazu Koyama

Average Co-Inventor Count = 11.00

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

Takakazu Koyama ↔ Yoshihiro Sato (1 patent)Takakazu Koyama ↔ Takafumi Terahai (1 patent)Takakazu Koyama ↔ Masanari Iwade (1 patent)Takakazu Koyama ↔ Makoto Murai (1 patent)Takakazu Koyama ↔ Yuji Watanabe (1 patent)Takakazu Koyama ↔ Ryota Kurahashi (1 patent)Takakazu Koyama ↔ Yutaka Ishii (1 patent)Takakazu Koyama ↔ Takaaki Kanemitsu (1 patent)Takakazu Koyama ↔ Kenji Ebisutani (1 patent)Takakazu Koyama ↔ Akinari Fukaya (1 patent)Takakazu KoyamaTakakazu Koyama (1 patent)Yoshihiro SatoYoshihiro Sato (32 patents)Takafumi TerahaiTakafumi Terahai (11 patents)Masanari IwadeMasanari Iwade (10 patents)Makoto MuraiMakoto Murai (9 patents)Yuji WatanabeYuji Watanabe (8 patents)Ryota KurahashiRyota Kurahashi (6 patents)Yutaka IshiiYutaka Ishii (5 patents)Takaaki KanemitsuTakaaki Kanemitsu (1 patent)Kenji EbisutaniKenji Ebisutani (1 patent)Akinari FukayaAkinari Fukaya (1 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Ngk Insulators, Inc. (1 from 4,916 patents)


1 patent:

1. 11662293 - Inspection method for pillar-shaped honeycomb filter

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12/8/2025
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