Growing community of inventors

Hiratsuka, Japan

Yasuhiro Hirai

Average Co-Inventor Count = 2.00

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 = 33

Yasuhiro HiraiKazuhiko Ishii (1 patent)Yasuhiro HiraiMasayuki Nagai (1 patent)Yasuhiro HiraiYasuhiro Hirai (2 patents)Kazuhiko IshiiKazuhiko Ishii (7 patents)Masayuki NagaiMasayuki Nagai (5 patents)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Mitsubishi Engineering-plastics Corporation (2 from 139 patents)


2 patents:

1. 8097670 - Polyacetal resin composition, process for producing the same, and sliding member molded from the resin composition

2. 6664313 - Polycarbonate resin composition and its molded articles

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as of
12/20/2025
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