Growing community of inventors

Gifu, Japan

Kenji Ichihara

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 = 1

Kenji Ichihara ↔ Sachio Ohno (1 patent)Kenji Ichihara ↔ Mitsuaki Nagasaka (1 patent)Kenji Ichihara ↔ Kiyoshi Mizukoshi (1 patent)Kenji Ichihara ↔ Yuko Ebihara (1 patent)Kenji Ichihara ↔ Takao Ban (1 patent)Kenji IchiharaKenji Ichihara (1 patent)Sachio OhnoSachio Ohno (7 patents)Mitsuaki NagasakaMitsuaki Nagasaka (6 patents)Kiyoshi MizukoshiKiyoshi Mizukoshi (5 patents)Yuko EbiharaYuko Ebihara (1 patent)Takao BanTakao Ban (1 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Maruko Seiyaku Co., Ltd. (1 from 8 patents)


1 patent:

1. 4713457 - Ergoline derivatives and acid addition salts thereof

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as of
1/7/2026
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