Growing community of inventors

Mino, Japan

Masakazu Ishihara

Average Co-Inventor Count = 6.00

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 = 2

Masakazu Ishihara ↔ Hiroshi Sato (1 patent)Masakazu Ishihara ↔ Fumio Yoshida (1 patent)Masakazu Ishihara ↔ Keiichi Yamagishi (1 patent)Masakazu Ishihara ↔ Tomoyuki Tsuneya (1 patent)Masakazu Ishihara ↔ Minoru Shiga (1 patent)Masakazu IshiharaMasakazu Ishihara (1 patent)Hiroshi SatoHiroshi Sato (101 patents)Fumio YoshidaFumio Yoshida (3 patents)Keiichi YamagishiKeiichi Yamagishi (1 patent)Tomoyuki TsuneyaTomoyuki Tsuneya (1 patent)Minoru ShigaMinoru Shiga (1 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Lion Corporation (1 from 271 patents)

2. Shiono Koryo Kaisha, Ltd. (1 from 1 patent)


1 patent:

1. 5214027 - Pyridine derivatives and perfumery compositions containing the

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as of
12/19/2025
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