Growing community of inventors

Ibaraki, Japan

Koji Matsumoto

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 = 8

Koji Matsumoto ↔ Fumio Nakai (1 patent)Koji Matsumoto ↔ Hidetaka Matsuzaki (1 patent)Koji Matsumoto ↔ Ichiro Kondou (1 patent)Koji MatsumotoKoji Matsumoto (1 patent)Fumio NakaiFumio Nakai (4 patents)Hidetaka MatsuzakiHidetaka Matsuzaki (1 patent)Ichiro KondouIchiro Kondou (1 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Sumitomo Naugatuck Co., Ltd. (1 from 39 patents)


1 patent:

1. 5250590 - Flame retardant resin composition

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1/8/2026
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