Growing community of inventors

Atsugi, Japan

Riyako Iwahashi

Average Co-Inventor Count = 5.46

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 = 4

Riyako Iwahashi ↔ Takayuki Ishikawa (2 patents)Riyako Iwahashi ↔ Hiroyuki Nagai (2 patents)Riyako Iwahashi ↔ Shinichiro Mizoguchi (2 patents)Riyako Iwahashi ↔ Satoshi Ogihara (1 patent)Riyako Iwahashi ↔ Shinji Nakamura (1 patent)Riyako Iwahashi ↔ Tomonori Haraguchi (1 patent)Riyako IwahashiRiyako Iwahashi (2 patents)Takayuki IshikawaTakayuki Ishikawa (79 patents)Hiroyuki NagaiHiroyuki Nagai (41 patents)Shinichiro MizoguchiShinichiro Mizoguchi (7 patents)Satoshi OgiharaSatoshi Ogihara (10 patents)Shinji NakamuraShinji Nakamura (10 patents)Tomonori HaraguchiTomonori Haraguchi (7 patents)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Nissan Motor Company Limited (1 from 13,408 patents)

2. Sanden Corporation (1 from 1,029 patents)

3. Sanden Holdings Corporation (1 from 107 patents)


2 patents:

1. 9441503 - Waste heat utilization apparatus

2. 9291074 - Engine waste-heat utilization device

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as of
12/29/2025
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