Growing community of inventors

Himeji, Japan

Mutsumi Samejima

Average Co-Inventor Count = 3.00

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

Mutsumi Samejima ↔ Kunio Koga (2 patents)Mutsumi Samejima ↔ Yukihiro Sasaki (1 patent)Mutsumi Samejima ↔ Koji Shima (1 patent)Mutsumi SamejimaMutsumi Samejima (2 patents)Kunio KogaKunio Koga (9 patents)Yukihiro SasakiYukihiro Sasaki (2 patents)Koji ShimaKoji Shima (1 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Daicel Chemical Industries, Ltd. (2 from 1,165 patents)


2 patents:

1. 4883912 - Process for the recovery of acetic acid

2. 4562288 - Method of operating mixer-settler

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1/12/2026
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