Growing community of inventors

Tokyo, Japan

Narutoshi Kusaka

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 = 0

Narutoshi Kusaka ↔ Shinji Yamazaki (1 patent)Narutoshi Kusaka ↔ Kazuhisa Ishikawa (1 patent)Narutoshi Kusaka ↔ Yoshimi Matsuzawa (1 patent)Narutoshi Kusaka ↔ Shiro Katsuki (1 patent)Narutoshi KusakaNarutoshi Kusaka (1 patent)Shinji YamazakiShinji Yamazaki (29 patents)Kazuhisa IshikawaKazuhisa Ishikawa (1 patent)Yoshimi MatsuzawaYoshimi Matsuzawa (1 patent)Shiro KatsukiShiro Katsuki (1 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Swcc Showa Cable Systems Co., Ltd. (1 from 22 patents)


1 patent:

1. 10394171 - Method of manufacturing heat-fixing rubber roller and heat-fixing rubber roller

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1/16/2026
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