Growing community of inventors

Hiratsuka, Japan

Hajime Oyama

Average Co-Inventor Count = 3.00

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 = 15

Hajime OyamaTatsuya Hitomi (2 patents)Hajime OyamaHiroshi Urabe (2 patents)Hajime OyamaHajime Oyama (2 patents)Tatsuya HitomiTatsuya Hitomi (9 patents)Hiroshi UrabeHiroshi Urabe (6 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. 6265081 - Integrally molded articles of polyamide resins

2. 5853831 - Vibration welded hollow moldings of polyamide resin composition

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as of
1/8/2026
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