Growing community of inventors

Aichi, Japan

Koji Umemura

Average Co-Inventor Count = 4.00

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 = 12

Koji Umemura ↔ Yoshifumi Ina (1 patent)Koji Umemura ↔ Toru Nakashima (1 patent)Koji Umemura ↔ Masashi Miyamoto (1 patent)Koji UmemuraKoji Umemura (1 patent)Yoshifumi InaYoshifumi Ina (7 patents)Toru NakashimaToru Nakashima (3 patents)Masashi MiyamotoMasashi Miyamoto (1 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Nippondenso Co., Ltd. (1 from 3,252 patents)


1 patent:

1. 4844621 - Fuel pump with passage for attenuating noise generated by impeller

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12/13/2025
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