Growing community of inventors

Tokyo, Japan

Hiroaki Machii

Average Co-Inventor Count = 3.00

ph-index = 3

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 = 30

Hiroaki Machii ↔ Hideo Moriyama (6 patents)Hiroaki Machii ↔ Masayuki Katogi (6 patents)Hiroaki MachiiHiroaki Machii (6 patents)Hideo MoriyamaHideo Moriyama (30 patents)Masayuki KatogiMasayuki Katogi (11 patents)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Moriyama Sangyo Kabushiki Kaisha (6 from 64 patents)


6 patents:

1. D444895 - Colored light emitting unit

2. D444896 - Light emitting element

3. D442303 - Color illumination unit

4. D441884 - Color illumination unit

5. D441885 - Color illumination unit

6. D438331 - Translucent color filter

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as of
12/8/2025
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