Growing community of inventors

Tokyo, Japan

Toru Funayama

Average Co-Inventor Count = 4.00

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 = 9

Toru Funayama ↔ Atsushi Kitahara (2 patents)Toru Funayama ↔ Kan Fukuda (2 patents)Toru Funayama ↔ Toru Yamamoto (1 patent)Toru Funayama ↔ Shinichi Midorikawa (1 patent)Toru FunayamaToru Funayama (2 patents)Atsushi KitaharaAtsushi Kitahara (12 patents)Kan FukudaKan Fukuda (2 patents)Toru YamamotoToru Yamamoto (43 patents)Shinichi MidorikawaShinichi Midorikawa (2 patents)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Sega Enterprises, Ltd. (2 from 264 patents)

2. Nippon Columbia Co., Ltd. (2 from 44 patents)


2 patents:

1. D379984 - Audio equipment

2. D379813 - Amplifier for Hi-Fi

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as of
12/28/2025
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