Growing community of inventors

Gunma, Japan

Koji Ishii

Average Co-Inventor Count = 5.00

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 = 1

Koji IshiiAkihisa Matsuda (2 patents)Koji IshiiKazuhiko Oyama (2 patents)Koji IshiiYasuyuki Taki (2 patents)Koji IshiiYo Fujitsuna (2 patents)Koji IshiiKoji Ishii (2 patents)Akihisa MatsudaAkihisa Matsuda (15 patents)Kazuhiko OyamaKazuhiko Oyama (10 patents)Yasuyuki TakiYasuyuki Taki (5 patents)Yo FujitsunaYo Fujitsuna (2 patents)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Taiyo Yuden Co., Ltd. (2 from 1,769 patents)


2 patents:

1. RE47950 - Laminated inductor

2. 9190202 - Laminated inductor

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1/7/2026
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