Growing community of inventors

Edogawa-ku, Japan

Koji Sato

Average Co-Inventor Count = 2.25

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 = 7

Koji Sato ↔ Tsutomu Yagi (1 patent)Koji Sato ↔ Makoto Imai (9 patents)Koji Sato ↔ Kenji Sakuratani (1 patent)Koji Sato ↔ Kotaro Kawanami (1 patent)Koji Sato ↔ Makoto Imai (1 patent)Koji SatoKoji Sato (3 patents)Tsutomu YagiTsutomu Yagi (12 patents)Makoto ImaiMakoto Imai (9 patents)Kenji SakurataniKenji Sakuratani (3 patents)Kotaro KawanamiKotaro Kawanami (1 patent)Makoto ImaiMakoto Imai (1 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Daiichi Sankyo Company, Limited (2 from 441 patents)

2. Daiichi Pharmaceutical Co., Ltd. (1 from 200 patents)


3 patents:

1. 8686189 - Optically active diamine derivative and process for producing the same

2. 7875722 - Method for producing quinolone carboxylic acid derivative

3. 7381833 - Process for producing 1,2-cis-2-fluorocyclopropane-1-carboxylic ester compound

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as of
1/5/2026
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