Growing community of inventors

Shimizu, Japan

Noriyuki Yamazaki

Average Co-Inventor Count = 4.00

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

Noriyuki Yamazaki ↔ Shigekazu Nozawa (2 patents)Noriyuki Yamazaki ↔ Masayuki Urashin (2 patents)Noriyuki Yamazaki ↔ Takeshi Hida (2 patents)Noriyuki YamazakiNoriyuki Yamazaki (2 patents)Shigekazu NozawaShigekazu Nozawa (18 patents)Masayuki UrashinMasayuki Urashin (10 patents)Takeshi HidaTakeshi Hida (9 patents)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Hitachi, Ltd. (2 from 42,485 patents)


2 patents:

1. 6273693 - Screw compressor

2. 6183227 - Screw compressor

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as of
12/8/2025
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