Growing community of inventors

Kanagawa, Japan

Koushi Matsubara

Average Co-Inventor Count = 5.00

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 = 5

Koushi Matsubara ↔ Fumihiko Shimizu (1 patent)Koushi Matsubara ↔ Akio Tanna (1 patent)Koushi Matsubara ↔ Shixuan Xin (1 patent)Koushi Matsubara ↔ Shiho Goromaru (1 patent)Koushi MatsubaraKoushi Matsubara (1 patent)Fumihiko ShimizuFumihiko Shimizu (17 patents)Akio TannaAkio Tanna (9 patents)Shixuan XinShixuan Xin (2 patents)Shiho GoromaruShiho Goromaru (1 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Japan Polypropylene Corporation (1 from 54 patents)

2. Japan Polyethylene Corporation (1 from 47 patents)


1 patent:

1. 8618319 - Metal complex and method for producing α-olefin polymer and method for producing α-olefin/(meth)acrylate copolymer using the same

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12/6/2025
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