Growing community of inventors

Kawagoe, Japan

Katsuji Matsunaga

Average Co-Inventor Count = 4.00

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

Katsuji Matsunaga ↔ Kazuyoshi Shiga (1 patent)Katsuji Matsunaga ↔ Mikio Yamada (1 patent)Katsuji Matsunaga ↔ Takeshi Asakura (1 patent)Katsuji MatsunagaKatsuji Matsunaga (1 patent)Kazuyoshi ShigaKazuyoshi Shiga (110 patents)Mikio YamadaMikio Yamada (39 patents)Takeshi AsakuraTakeshi Asakura (29 patents)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Sri Sports Limited (1 from 628 patents)

2. Katsuji Matsunaga (1 from 1 patent)


1 patent:

1. 8013102 - Golf ball

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as of
12/8/2025
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